81196741837120

Names of 81196741837120

• Cardinal: 81196741837120 can be written as Eighty-one trillion, one hundred ninety-six billion, seven hundred forty-one million, eight hundred thirty-seven thousand, one hundred twenty.

Scientific notation

• Scientific notation: 8.119674183712 × 10¹³

Factors of 81196741837120

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3193

Divisors of 81196741837120

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 7 8 10 13 14 16 20 26 28 32 35 40 52 56 64 65 70 80 91 104 112 130 140 160 182 208 224 260 280 320 364 416 448 455 520 560 728 832 910 1040 1120 1187 1456 1820 1979 2080 2240 2374 2912 3640 3958 4160 4748 5824 5935 7280 7916 8309 9496 9895 11870 13853 14560 15431 15832 16618 18992 19790 23740 25727 27706 29120 30862 31664 33236 37984 39580 41545 47480 51454 55412 61724 63328 66472 69265 75968 77155 79160 83090 94960 102908 108017 110824 123448 126656 128635 132944 138530 154310 158320 166180 180089 189920 205816 216034 221648 246896 257270 265888 277060 308620 316640 332360 360178 379840 411632 432068 443296 493792 514540 531776 540085 554120 617240 633280 664720 720356 823264 864136 886592 900445 987584 1029080 1080170 1108240 1234480 1329440 1408969 1440712 1646528 1728272 1800890 2058160 2160340 2216480 2349073 2468960 2658880 2817938 2881424 3456544 3601780 4116320 4320680 4432960 4698146 4937920 5635876 5762848 6913088 7044845 7203560 8232640 8641360 9396292 9862783 11271752 11525696 11745365 14089690 14407120 16443511 17282720 18316597 18792584 19725566 22543504 23490730 28179380 28814240 30537949 32887022 34565440 36633194 37585168 39451132 45087008 46981460 49313915 56358760 57628480 61075898 65774044 73266388 75170336 78902264 82217555 90174016 91582985 93962920 98627830 112717520 122151796 128216179 131548088 146532776 150340672 152689745 157804528 164435110 183165970 187925840 197255660 213765643 225435040 244303592 256432358 263096176 293065552 305379490 315609056 328870220 366331940 375851680 394511320 427531286 450870080 488607184 512864716 526192352 586131104 610758980 631218112 641080895 657740440 732663880 751703360 789022640 855062572 977214368 1025729432 1052384704 1068828215 1172262208 1221517960 1282161790 1315480880 1465327760 1578045280 1710125144 1954428736 2051458864 2137656430 2443035920 2564323580 2630961760 2788349651 2930655520 3156090560 3420250288 4102917728 4275312860 4886071840 5128647160 5261923520 5576699302 5861311040 6840500576 8205835456 8550625720 9772143680 10257294320 11153398604 13681001152 13941748255 17101251440 19518447557 20514588640 22306797208 27883496510 34202502880 36248545463 39036895114 41029177280 44613594416 55766993020 68405005760 72497090926 78073790228 89227188832 97592237785 111533986040 144994181852 156147580456 178454377664 181242727315 195184475570 223067972080 253739818241 289988363704 312295160912 362485454630 390368951140 446135944160 507479636482 579976727408 624590321824 724970909260 780737902280 892271888320 1014959272964 1159953454816 1249180643648 1268699091205 1449941818520 1561475804560 2029918545928 2319906909632 2537398182410 2899883637040 3122951609120 4059837091856 5074796364820 5799767274080 6245903218240 8119674183712 10149592729640 11599534548160 16239348367424 20299185459280 40598370918560 81196741837120
• Sum of all divisors σ(n): 238289909235840
• Sum of proper divisors (its aliquot sum) s(n): 157093167398720
• 81196741837120 is an abundant number, because the sum of its proper divisors (157093167398720) is greater than itself. Its abundance is 75896425561600

Bases of 81196741837120

• Binary: 10010011101100100010110111101000100000101000000₂
• Hexadecimal: 0x49D916F44140
• Base-36: SS59NNH34

Squares and roots of 81196741837120

• 81196741837120 squared (81196741837120²) is 6592910884963913352609894400
• 81196741837120 cubed (81196741837120³) is 535322883081553226859298415370945200128000
• The square root of 81196741837120 is 9010923.4730475877
• The cube root of 81196741837120 is 43302.4897517315

Scales and comparisons

• 81,196,741,837,120 seconds is equal to 2,581,805 years, 12 weeks, 14 hours, 18 minutes, 40 seconds.
• To count from 1 to 81,196,741,837,120 would take you about six million, four hundred fifty-four thousand, five hundred thirteen 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 81196741837120 cubic inches would be around 3608.5 feet tall.

Recreational maths with 81196741837120

• 81196741837120 backwards is 02173814769118
• The number of decimal digits it has is: 14
• The sum of 81196741837120's digits is 58
• More coming soon!