1997441187840

Names of 1997441187840

• Cardinal: 1997441187840 can be written as One trillion, nine hundred ninety-seven billion, four hundred forty-one million, one hundred eighty-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.99744118784 × 10¹²

Factors of 1997441187840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 4763

Divisors of 1997441187840

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 56 60 63 64 70 72 80 83 84 90 96 105 112 120 126 128 140 144 160 166 168 180 192 210 224 240 249 252 256 280 288 315 320 332 336 360 384 415 420 448 480 498 504 512 560 576 581 630 640 664 672 720 747 768 830 840 896 960 996 1008 1024 1120 1152 1162 1245 1260 1280 1328 1344 1440 1494 1536 1660 1680 1743 1792 1920 1992 2016 2048 2240 2304 2324 2490 2520 2560 2656 2688 2880 2905 2988 3072 3320 3360 3486 3584 3735 3840 3984 4032 4096 4480 4608 4648 4663 4980 5040 5120 5229 5312 5376 5760 5810 5976 6144 6640 6720 6972 7168 7470 7680 7968 8064 8192 8715 8960 9216 9296 9326 9960 10080 10240 10458 10624 10752 11520 11620 11952 12288 13280 13440 13944 13989 14336 14940 15360 15936 16128 16384 17430 17920 18432 18592 18652 19920 20160 20480 20916 21248 21504 23040 23240 23315 23904 24576 26145 26560 26880 27888 27978 28672 29880 30720 31872 32256 32641 34860 35840 36864 37184 37304 39840 40320 40960 41832 41967 42496 43008 46080 46480 46630 47808 49152 52290 53120 53760 55776 55956 57344 59760 61440 63744 64512 65282 69720 69945 71680 73728 74368 74608 79680 80640 81920 83664 83934 84992 86016 92160 92960 93260 95616 97923 104580 106240 107520 111552 111912 114688 119520 122880 127488 129024 130564 139440 139890 143360 147456 148736 149216 159360 161280 163205 167328 167868 169984 172032 184320 185920 186520 191232 195846 209160 209835 212480 215040 223104 223824 239040 245760 254976 258048 261128 278880 279780 286720 293769 297472 298432 318720 322560 326410 334656 335736 339968 344064 368640 371840 373040 382464 387029 391692 418320 419670 424960 430080 446208 447648 478080 489615 509952 516096 522256 557760 559560 573440 587538 594944 596864 637440 645120 652820 669312 671472 679936 737280 743680 746080 764928 774058 783384 836640 839340 849920 860160 892416 895296 956160 979230 1019904 1032192 1044512 1115520 1119120 1161087 1175076 1189888 1193728 1274880 1290240 1305640 1338624 1342944 1359872 1468845 1487360 1492160 1529856 1548116 1566768 1673280 1678680 1699840 1720320 1784832 1790592 1912320 1935145 1958460 2039808 2089024 2231040 2238240 2322174 2350152 2379776 2387456 2549760 2580480 2611280 2677248 2685888 2709203 2937690 2974720 2984320 3059712 3096232 3133536 3346560 3357360 3399680 3483261 3569664 3581184 3824640 3870290 3916920 4079616 4178048 4462080 4476480 4644348 4700304 4759552 4774912 5099520 5160960 5222560 5354496 5371776 5418406 5805435 5875380 5949440 5968640 6119424 6192464 6267072 6693120 6714720 6799360 6966522 7139328 7162368 7649280 7740580 7833840 8127609 8356096 8924160 8952960 9288696 9400608 9519104 9549824 10199040 10445120 10708992 10743552 10836812 11610870 11750760 11898880 11937280 12238848 12384928 12534144 13386240 13429440 13546015 13933044 14278656 14324736 15298560 15481160 15667680 16255218 16712192 17416305 17848320 17905920 18577392 18801216 19099648 20398080 20890240 21417984 21487104 21673624 23221740 23501520 23797760 23874560 24382827 24769856 25068288 26772480 26858880 27092030 27866088 28557312 28649472 30597120 30962320 31335360 32510436 33424384 34832610 35696640 35811840 37154784 37602432 38199296 40638045 41780480 42835968 42974208 43347248 46443480 47003040 47595520 47749120 48765654 49539712 50136576 53544960 53717760 54184060 55732176 57298944 61194240 61924640 62670720 65020872 66848768 69665220 71393280 71623680 74309568 75204864 76398592 81276090 83560960 85671936 85948416 86694496 92886960 94006080 95498240 97531308 99079424 100273152 107089920 107435520 108368120 111464352 114597888 121914135 123849280 125341440 130041744 133697536 139330440 142786560 143247360 148619136 150409728 162552180 167121920 171896832 173388992 185773920 188012160 190996480 195062616 198158848 200546304 214179840 214871040 216736240 222928704 229195776 243828270 247698560 250682880 260083488 267395072 278660880 286494720 297238272 300819456 325104360 334243840 343793664 346777984 371547840 376024320 381992960 390125232 396317696 401092608 428359680 429742080 433472480 445857408 487656540 495397120 501365760 520166976 534790144 557321760 572989440 594476544 601638912 650208720 668487680 687587328 693555968 743095680 752048640 780250464 792635392 802185216 859484160 866944960 891714816 975313080 990794240 1002731520 1040333952 1114643520 1145978880 1188953088 1203277824 1300417440 1336975360 1387111936 1486191360 1504097280 1560500928 1585270784 1604370432 1718968320 1733889920 1783429632 1950626160 1981588480 2005463040 2080667904 2229287040 2377906176 2406555648 2600834880 2673950720 2774223872 2972382720 3008194560 3121001856 3170541568 3437936640 3467779840 3566859264 3901252320 3963176960 4010926080 4161335808 4458574080 4755812352 4813111296 5201669760 5548447744 5944765440 6016389120 6242003712 6341083136 6935559680 7133718528 7802504640 7926353920 8021852160 8322671616 8917148160 9511624704 10403339520 11096895488 11889530880 12032778240 12484007424 13871119360 14267437056 15605009280 15852707840 16645343232 17834296320 19023249408 20806679040 22193790976 23779061760 24065556480 24968014848 27742238720 28534874112 31210018560 31705415680 33290686464 35668592640 41613358080 44387581952 47558123520 49936029696 55484477440 57069748224 62420037120 66581372928 71337185280 83226716160 95116247040 99872059392 110968954880 124840074240 133162745856 142674370560 166453432320 199744118784 221937909760 249680148480 285348741120 332906864640 399488237568 499360296960 665813729280 998720593920 1997441187840
• Sum of all divisors σ(n): 8010490295808
• Sum of proper divisors (its aliquot sum) s(n): 6013049107968
• 1997441187840 is an abundant number, because the sum of its proper divisors (6013049107968) is greater than itself. Its abundance is 4015607920128

Bases of 1997441187840

• Binary: 11101000100010000110001011100000000000000₂
• Hexadecimal: 0x1D110C5C000
• Base-36: PHM0WSG0

Squares and roots of 1997441187840

• 1997441187840 squared (1997441187840²) is 3989771298879670163865600
• 1997441187840 cubed (1997441187840³) is 7969333522444148033339111510114304000
• The square root of 1997441187840 is 1413308.5961105593
• The cube root of 1997441187840 is 12593.8350369917

Scales and comparisons

• 1,997,441,187,840 seconds is equal to 63,512 years, 23 weeks, 3 days, 6 hours, 24 minutes.
• To count from 1 to 1,997,441,187,840 would take you about one hundred fifty-eight thousand, seven hundred eighty-one 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 1997441187840 cubic inches would be around 1049.5 feet tall.

Recreational maths with 1997441187840

• 1997441187840 backwards is 0487811447991
• 1997441187840 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1997441187840's digits is 63
• More coming soon!