1981503959040

Names of 1981503959040

• Cardinal: 1981503959040 can be written as One trillion, nine hundred eighty-one billion, five hundred three million, nine hundred fifty-nine thousand and forty.

Scientific notation

• Scientific notation: 1.98150395904 × 10¹²

Factors of 1981503959040

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 641

Divisors of 1981503959040

• Number of divisors d(n): 468
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 160 162 180 192 216 240 243 256 270 288 320 324 360 384 405 432 480 486 512 540 576 631 640 648 720 768 810 864 960 972 1024 1080 1152 1215 1262 1280 1296 1440 1536 1620 1728 1893 1920 1944 2048 2160 2304 2430 2524 2560 2592 2880 3072 3155 3240 3456 3786 3840 3888 4096 4320 4608 4860 5048 5120 5184 5679 5760 6144 6310 6480 6912 7572 7680 7776 8640 9216 9465 9720 10096 10240 10368 11358 11520 12288 12620 12960 13824 15144 15360 15552 17037 17280 18432 18930 19440 20192 20480 20736 22716 23040 25240 25920 27648 28395 30288 30720 31104 34074 34560 36864 37860 38880 40384 41472 45432 46080 50480 51111 51840 55296 56790 60576 61440 62208 68148 69120 75720 77760 80768 82944 85185 90864 92160 100960 102222 103680 110592 113580 121152 124416 136296 138240 151440 153333 155520 161536 165888 170370 181728 184320 201920 204444 207360 227160 242304 248832 255555 272592 276480 302880 306666 311040 323072 331776 340740 363456 398161 403840 408888 414720 454320 484608 497664 511110 545184 552960 605760 613332 622080 646144 681480 726912 766665 796322 807680 817776 829440 908640 969216 995328 1022220 1090368 1194483 1211520 1226664 1244160 1292288 1362960 1453824 1533330 1592644 1615360 1635552 1658880 1817280 1938432 1990805 2044440 2180736 2388966 2423040 2453328 2488320 2584576 2725920 2907648 3066660 3185288 3230720 3271104 3583449 3634560 3876864 3981610 4088880 4361472 4777932 4846080 4906656 4976640 5451840 5815296 5972415 6133320 6370576 6461440 6542208 7166898 7269120 7753728 7963220 8177760 8722944 9555864 9692160 9813312 10750347 10903680 11630592 11944830 12266640 12741152 12922880 13084416 14333796 14538240 15926440 16355520 17445888 17917245 19111728 19384320 19626624 21500694 21807360 23261184 23889660 24533280 25482304 26168832 28667592 29076480 31852880 32251041 32711040 34891776 35834490 38223456 38768640 39253248 43001388 43614720 47779320 49066560 50964608 52337664 53751735 57335184 58152960 63705760 64502082 65422080 69783552 71668980 76446912 78506496 86002776 87229440 95558640 96753123 98133120 101929216 104675328 107503470 114670368 116305920 127411520 129004164 130844160 143337960 152893824 157012992 161255205 172005552 174458880 191117280 193506246 196266240 203858432 209350656 215006940 229340736 254823040 258008328 261688320 286675920 305787648 314025984 322510410 344011104 348917760 382234560 387012492 392532480 407716864 430013880 458681472 483765615 509646080 516016656 523376640 573351840 611575296 628051968 645020820 688022208 764469120 774024984 785064960 815433728 860027760 917362944 967531230 1019292160 1032033312 1046753280 1146703680 1223150592 1290041640 1376044416 1528938240 1548049968 1570129920 1630867456 1720055520 1834725888 1935062460 2038584320 2064066624 2293407360 2446301184 2580083280 2752088832 3057876480 3096099936 3140259840 3440111040 3669451776 3870124920 4077168640 4128133248 4586814720 4892602368 5160166560 5504177664 6115752960 6192199872 6880222080 7338903552 7740249840 8154337280 8256266496 9173629440 10320333120 11008355328 12231505920 12384399744 13760444160 14677807104 15480499680 16512532992 18347258880 20640666240 22016710656 24463011840 24768799488 27520888320 30960999360 33025065984 36694517760 41281332480 44033421312 49537598976 55041776640 61921998720 66050131968 73389035520 82562664960 99075197952 110083553280 123843997440 132100263936 165125329920 198150395904 220167106560 247687994880 330250659840 396300791808 495375989760 660501319680 990751979520 1981503959040
• Sum of all divisors σ(n): 7134065403192
• Sum of proper divisors (its aliquot sum) s(n): 5152561444152
• 1981503959040 is an abundant number, because the sum of its proper divisors (5152561444152) is greater than itself. Its abundance is 3171057485112

Bases of 1981503959040

• Binary: 11100110101011010110101101111000000000000₂
• Hexadecimal: 0x1CD5AD6F000
• Base-36: PAAGAO00

Squares and roots of 1981503959040

• 1981503959040 squared (1981503959040²) is 3926357939691193997721600
• 1981503959040 cubed (1981503959040³) is 7780093802106238461510035139723264000
• The square root of 1981503959040 is 1407659.0350791629
• The cube root of 1981503959040 is 12560.2508990139

Scales and comparisons

• 1,981,503,959,040 seconds is equal to 63,005 years, 36 weeks, 1 day, 14 hours, 24 minutes.
• To count from 1 to 1,981,503,959,040 would take you about one hundred fifty-seven thousand, five hundred fourteen 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 1981503959040 cubic inches would be around 1046.7 feet tall.

Recreational maths with 1981503959040

• 1981503959040 backwards is 0409593051891
• 1981503959040 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 1981503959040's digits is 54
• More coming soon!