1997891371008

Names of 1997891371008

• Cardinal: 1997891371008 can be written as One trillion, nine hundred ninety-seven billion, eight hundred ninety-one million, three hundred seventy-one thousand and eight.

Scientific notation

• Scientific notation: 1.997891371008 × 10¹²

Factors of 1997891371008

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 166

Divisors of 1997891371008

• Number of divisors d(n): 1020
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 17 18 24 26 27 32 34 36 39 48 51 52 54 64 68 72 78 81 96 102 104 108 117 128 131 136 144 153 156 162 169 192 204 208 216 221 234 256 262 272 288 306 312 324 338 351 384 393 408 416 432 442 459 468 507 512 524 544 576 612 624 648 663 676 702 768 786 816 832 864 884 918 936 1014 1024 1048 1053 1088 1152 1179 1224 1248 1296 1326 1352 1377 1404 1521 1536 1572 1632 1664 1703 1728 1768 1836 1872 1989 2028 2048 2096 2106 2176 2227 2304 2358 2448 2496 2592 2652 2704 2754 2808 2873 3042 3072 3144 3264 3328 3406 3456 3536 3537 3672 3744 3978 4056 4096 4192 4212 4352 4454 4563 4608 4716 4896 4992 5109 5184 5304 5408 5508 5616 5746 5967 6084 6144 6288 6528 6656 6681 6812 6912 7072 7074 7344 7488 7956 8112 8192 8384 8424 8619 8704 8908 9126 9216 9432 9792 9984 10218 10368 10608 10611 10816 11016 11232 11492 11934 12168 12288 12576 13056 13312 13362 13624 13689 13824 14144 14148 14688 14976 15327 15912 16224 16384 16768 16848 17238 17408 17816 17901 18252 18432 18864 19584 19968 20043 20436 20736 21216 21222 21632 22032 22139 22464 22984 23868 24336 24576 25152 25857 26112 26624 26724 27248 27378 27648 28288 28296 28951 29376 29952 30654 31824 32448 32768 33536 33696 34476 34816 35632 35802 36504 36864 37728 39168 39936 40086 40872 41472 42432 42444 43264 44064 44278 44928 45968 45981 47736 48672 49152 50304 51714 52224 53248 53448 54496 54756 55296 56576 56592 57902 58752 59904 60129 61308 63648 64896 65536 66417 67072 67392 68952 69632 71264 71604 73008 73728 75456 77571 78336 79872 80172 81744 82944 84864 84888 86528 86853 88128 88556 89856 91936 91962 95472 97344 98304 100608 103428 104448 106496 106896 108992 109512 110592 113152 113184 115804 117504 119808 120258 122616 127296 129792 132834 134144 134784 137904 137943 139264 142528 143208 146016 147456 150912 155142 156672 159744 160344 163488 165888 169728 169776 173056 173706 176256 177112 179712 180387 183872 183924 190944 194688 196608 199251 201216 206856 208896 212992 213792 217984 219024 221184 226304 226368 231608 232713 235008 239616 240516 245232 254592 259584 260559 265668 268288 269568 275808 275886 278528 285056 286416 292032 294912 301824 310284 313344 319488 320688 326976 331776 339456 339552 346112 347412 352512 354224 359424 360774 367744 367848 376363 381888 389376 398502 402432 413712 417792 425984 427584 435968 438048 442368 452608 452736 463216 465426 470016 479232 481032 490464 509184 519168 521118 531336 536576 539136 551616 551772 557056 570112 572832 584064 589824 597753 603648 620568 626688 638976 641376 653952 663552 678912 679104 692224 694824 705024 708448 718848 721548 735488 735696 752726 763776 778752 781677 797004 804864 827424 835584 851968 855168 871936 876096 884736 905216 905472 926432 930852 940032 958464 962064 980928 1018368 1038336 1042236 1062672 1073152 1078272 1103232 1103544 1114112 1129089 1140224 1145664 1168128 1195506 1207296 1241136 1253376 1277952 1282752 1307904 1327104 1357824 1358208 1384448 1389648 1410048 1416896 1437696 1443096 1470976 1471392 1505452 1527552 1557504 1563354 1594008 1609728 1654848 1671168 1710336 1743872 1752192 1769472 1793259 1810432 1810944 1852864 1861704 1880064 1916928 1924128 1961856 2036736 2076672 2084472 2125344 2146304 2156544 2206464 2207088 2258178 2280448 2291328 2336256 2345031 2391012 2414592 2482272 2506752 2555904 2565504 2615808 2654208 2715648 2716416 2768896 2779296 2820096 2833792 2875392 2886192 2941952 2942784 3010904 3055104 3115008 3126708 3188016 3219456 3309696 3342336 3387267 3420672 3487744 3504384 3586518 3620864 3621888 3705728 3723408 3760128 3833856 3848256 3923712 4073472 4153344 4168944 4250688 4292608 4313088 4412928 4414176 4516356 4560896 4582656 4672512 4690062 4782024 4829184 4964544 5013504 5131008 5231616 5308416 5431296 5432832 5537792 5558592 5640192 5667584 5750784 5772384 5883904 5885568 6021808 6110208 6230016 6253416 6376032 6438912 6619392 6774534 6841344 6975488 7008768 7173036 7241728 7243776 7411456 7446816 7520256 7667712 7696512 7847424 8146944 8306688 8337888 8501376 8585216 8626176 8825856 8828352 9032712 9121792 9165312 9345024 9380124 9564048 9658368 9929088 10027008 10161801 10262016 10463232 10862592 10865664 11075584 11117184 11280384 11335168 11501568 11544768 11767808 11771136 12043616 12220416 12460032 12506832 12752064 12877824 13238784 13549068 13682688 13950976 14017536 14346072 14483456 14487552 14822912 14893632 15040512 15393024 15694848 16293888 16613376 16675776 17002752 17252352 17651712 17656704 18065424 18243584 18330624 18690048 18760248 19128096 19316736 19858176 20323602 20524032 20926464 21725184 21731328 22234368 22560768 22670336 23003136 23089536 23535616 23542272 24087232 24440832 24920064 25013664 25504128 25755648 26477568 27098136 27365376 27901952 28035072 28692144 28975104 29645824 29787264 30081024 30485403 30786048 31389696 32587776 33226752 33351552 34005504 34504704 35303424 35313408 36130848 36487168 36661248 37380096 37520496 38256192 38633472 39716352 40647204 41048064 41852928 43450368 43462656 44468736 45121536 45340672 46179072 47071232 47084544 48174464 48881664 49840128 50027328 51008256 52955136 54196272 54730752 55803904 56070144 57384288 57950208 59291648 59574528 60970806 61572096 62779392 65175552 66703104 68011008 69009408 70606848 70626816 72261696 72974336 73322496 74760192 75040992 76512384 77266944 79432704 81294408 82096128 83705856 86925312 88937472 90243072 90681344 92358144 94142464 94169088 96348928 97763328 99680256 100054656 102016512 105910272 108392544 109461504 111607808 112140288 114768576 115900416 118583296 119149056 121941612 123144192 125558784 130351104 133406208 136022016 141213696 141253632 144523392 145948672 146644992 149520384 150081984 153024768 158865408 162588816 164192256 167411712 173850624 177874944 181362688 184716288 188284928 188338176 192697856 195526656 200109312 204033024 211820544 216785088 218923008 224280576 229537152 231800832 237166592 238298112 243883224 246288384 251117568 266812416 272044032 282427392 282507264 289046784 293289984 299040768 300163968 306049536 317730816 325177632 328384512 334823424 347701248 355749888 362725376 369432576 376676352 385395712 391053312 400218624 408066048 423641088 433570176 437846016 448561152 459074304 474333184 476596224 487766448 492576768 502235136 533624832 544088064 564854784 565014528 578093568 586579968 600327936 612099072 635461632 650355264 656769024 695402496 711499776 725450752 738865152 753352704 770791424 800437248 816132096 847282176 867140352 897122304 918148608 948666368 953192448 975532896 985153536 1004470272 1067249664 1088176128 1130029056 1156187136 1173159936 1200655872 1224198144 1270923264 1300710528 1313538048 1422999552 1450901504 1477730304 1506705408 1541582848 1600874496 1632264192 1694564352 1734280704 1836297216 1897332736 1906384896 1951065792 1970307072 2134499328 2176352256 2260058112 2312374272 2401311744 2448396288 2541846528 2601421056 2845999104 2955460608 3013410816 3083165696 3201748992 3264528384 3468561408 3672594432 3812769792 3902131584 3940614144 4268998656 4352704512 4520116224 4624748544 4802623488 4896792576 5083693056 5202842112 5691998208 5910921216 6166331392 6403497984 6529056768 6937122816 7345188864 7625539584 7804263168 8537997312 9040232448 9249497088 9605246976 9793585152 10405684224 11821842432 12332662784 12806995968 13058113536 13874245632 14690377728 15251079168 15608526336 17075994624 18498994176 19210493952 19587170304 20811368448 24665325568 25613991936 27748491264 29380755456 31217052672 36997988352 38420987904 39174340608 41622736896 51227983872 55496982528 58761510912 62434105344 73995976704 76841975808 83245473792 110993965056 117523021824 124868210688 153683951616 166490947584 221987930112 249736421376 332981895168 499472842752 665963790336 998945685504 1997891371008
• Sum of all divisors σ(n): 6895877043528
• Sum of proper divisors (its aliquot sum) s(n): 4897985672520
• 1997891371008 is an abundant number, because the sum of its proper divisors (4897985672520) is greater than itself. Its abundance is 2900094301512

Bases of 1997891371008

• Binary: 11101000100101011100110110000000000000000₂
• Hexadecimal: 0x1D12B9B0000
• Base-36: PHTGXS00

Squares and roots of 1997891371008

• 1997891371008 squared (1997891371008²) is 3991569930348225902936064
• 1997891371008 cubed (1997891371008³) is 7974723120617724116077431637527232512
• The square root of 1997891371008 is 1413467.8528385427
• The cube root of 1997891371008 is 12594.7810985011

Scales and comparisons

• 1,997,891,371,008 seconds is equal to 63,526 years, 39 weeks, 5 days, 17 hours, 16 minutes, 48 seconds.
• To count from 1 to 1,997,891,371,008 would take you about one hundred fifty-eight thousand, eight hundred sixteen years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 1997891371008 cubic inches would be around 1049.6 feet tall.

Recreational maths with 1997891371008

• 1997891371008 backwards is 8001731987991
• The number of decimal digits it has is: 13
• The sum of 1997891371008's digits is 63
• More coming soon!