1997908038720

Names of 1997908038720

• Cardinal: 1997908038720 can be written as One trillion, nine hundred ninety-seven billion, nine hundred eight million, thirty-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.99790803872 × 10¹²

Factors of 1997908038720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 13606

Divisors of 1997908038720

• Number of divisors d(n): 672
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 15 16 18 20 22 24 30 32 33 36 37 40 44 45 48 55 60 64 66 72 74 80 88 90 96 99 110 111 120 127 132 144 148 160 165 176 180 185 192 198 220 222 240 254 264 288 296 320 330 333 352 360 370 381 396 407 440 444 480 495 508 528 555 576 592 635 660 666 704 720 740 762 792 814 880 888 960 990 1016 1056 1110 1143 1184 1221 1270 1320 1332 1397 1440 1480 1524 1584 1628 1665 1760 1776 1905 1980 2032 2035 2112 2220 2286 2368 2442 2540 2640 2664 2794 2880 2960 3048 3168 3256 3330 3520 3552 3663 3810 3960 4064 4070 4191 4440 4572 4699 4884 5080 5280 5328 5588 5715 5920 6096 6105 6336 6512 6660 6985 7104 7326 7620 7920 8128 8140 8382 8880 9144 9398 9768 10160 10560 10656 11176 11430 11840 12192 12210 12573 13024 13320 13421 13970 14097 14652 15240 15840 16280 16764 17760 18288 18315 18796 19536 20320 20955 21312 22352 22860 23495 24384 24420 25146 26048 26640 26842 27940 28194 29304 30480 31680 32560 33528 35520 36576 36630 37592 39072 40263 40640 41910 42291 44704 45720 46990 48840 50292 51689 53280 53684 55880 56388 58608 60960 62865 65120 67056 67105 70485 73152 73260 75184 78144 80526 83820 84582 89408 91440 93980 97680 100584 103378 106560 107368 111760 112776 117216 120789 121920 125730 130240 134112 134210 140970 146520 147631 150368 155067 161052 167640 169164 182880 187960 195360 201168 201315 206756 211455 214736 223520 225552 234432 241578 251460 258445 268224 268420 281940 293040 295262 300736 310134 322104 335280 338328 365760 375920 390720 402336 402630 413512 422910 429472 442893 447040 451104 465201 483156 496577 502920 516890 536840 563880 586080 590524 603945 620268 644208 670560 676656 738155 751840 775335 804672 805260 827024 845820 858944 885786 902208 930402 966312 993154 1005840 1033780 1073680 1127760 1172160 1181048 1207890 1240536 1288416 1328679 1341120 1353312 1476310 1489731 1503680 1550670 1610520 1654048 1691640 1704467 1771572 1860804 1932624 1986308 2011680 2067560 2147360 2214465 2255520 2326005 2362096 2415780 2481072 2482885 2576832 2657358 2706624 2952620 2979462 3101340 3221040 3308096 3383280 3408934 3543144 3721608 3865248 3972616 4023360 4135120 4294720 4428930 4469193 4511040 4652010 4724192 4831560 4962144 4965770 5113401 5314716 5462347 5905240 5958924 6202680 6442080 6643395 6766560 6817868 7086288 7443216 7448655 7730496 7945232 8270240 8522335 8857860 8938386 9304020 9448384 9663120 9924288 9931540 10226802 10629432 10924694 11810480 11917848 12405360 12884160 13286790 13533120 13635736 14172576 14886432 14897310 15340203 15890464 16387041 16540480 17044670 17715720 17876772 18608040 18749137 19326240 19863080 20453604 21258864 21849388 22345965 23620960 23835696 24810720 25567005 26573580 27271472 27311735 28345152 29772864 29794620 30680406 31780928 32774082 34089340 35431440 35753544 37216080 37498274 38652480 39726160 40907208 42517728 43698776 44691930 47241920 47671392 49161123 49621440 51134010 53147160 54542944 54623470 56247411 59589240 61360812 63065279 65548164 68178680 70862880 71507088 74432160 74996548 76701015 79452320 81814416 81935205 85035456 87397552 89383860 93745685 95342784 98322246 102268020 106294320 109085888 109246940 112494822 119178480 122721624 126130558 131096328 136357360 141725760 143014176 148864320 149993096 153402030 158904640 163628832 163870410 168742233 174795104 178767720 187491370 189195837 196644492 204536040 212588640 218493880 224989644 238356960 245443248 245805615 252261116 262192656 272714720 281237055 286028352 299986192 306804060 315326395 327257664 327740820 337484466 349590208 357535440 374982740 378391674 393288984 409072080 425177280 436987760 449979288 476713920 490886496 491611230 504522232 524385312 545429440 562474110 567587511 599972384 613608120 630652790 655481640 674968932 693718069 715070880 749965480 756783348 786577968 818144160 843711165 873975520 899958576 945979185 981772992 983222460 1009044464 1048770624 1124948220 1135175022 1199944768 1227216240 1261305580 1310963280 1349937864 1387436138 1430141760 1499930960 1513566696 1573155936 1636288320 1687422330 1747951040 1799917152 1891958370 1966444920 2018088928 2081154207 2249896440 2270350044 2454432480 2522611160 2621926560 2699875728 2774872276 2837937555 2999861920 3027133392 3146311872 3374844660 3468590345 3599834304 3783916740 3932889840 4036177856 4162308414 4499792880 4540700088 4908864960 5045222320 5243853120 5399751456 5549744552 5675875110 5999723840 6054266784 6243462621 6749689320 6937180690 7567833480 7865779680 8324616828 8999585760 9081400176 10090444640 10405771035 10799502912 11099489104 11351750220 12108533568 12486925242 13499378640 13874361380 15135666960 15731559360 16649233656 17999171520 18162800352 20180889280 20811542070 22198978208 22703500440 24973850484 26998757280 27748722760 30271333920 31217313105 33298467312 36325600704 41623084140 44397956416 45407000880 49947700968 53997514560 55497445520 60542667840 62434626210 66596934624 83246168280 90814001760 99895401936 110994891040 124869252420 133193869248 166492336560 181628003520 199790803872 221989782080 249738504840 332984673120 399581607744 499477009680 665969346240 998954019360 1997908038720
• Sum of all divisors σ(n): 7760511922176
• Sum of proper divisors (its aliquot sum) s(n): 5762603883456
• 1997908038720 is an abundant number, because the sum of its proper divisors (5762603883456) is greater than itself. Its abundance is 3764695844736

Bases of 1997908038720

• Binary: 11101000100101100100110010101010001000000₂
• Hexadecimal: 0x1D12C995440
• Base-36: PHTQV0W0

Squares and roots of 1997908038720

• 1997908038720 squared (1997908038720²) is 3991636531181997019238400
• 1997908038720 cubed (1997908038720³) is 7974922713296927788079477852110848000
• The square root of 1997908038720 is 1413473.7488612939
• The cube root of 1997908038720 is 12594.8161230279

Scales and comparisons

• 1,997,908,038,720 seconds is equal to 63,527 years, 15 weeks, 2 days, 15 hours, 12 minutes.
• To count from 1 to 1,997,908,038,720 would take you about one hundred fifty-eight thousand, eight hundred eighteen 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 1997908038720 cubic inches would be around 1049.6 feet tall.

Recreational maths with 1997908038720

• 1997908038720 backwards is 0278308097991
• The number of decimal digits it has is: 13
• The sum of 1997908038720's digits is 63
• More coming soon!