918102120040

Names of 918102120040

• Cardinal: 918102120040 can be written as Nine hundred eighteen billion, one hundred two million, one hundred twenty thousand and forty.

Scientific notation

• Scientific notation: 9.1810212004 × 10¹¹

Factors of 918102120040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 978

Divisors of 918102120040

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 23 28 35 40 46 49 56 70 92 98 115 140 161 184 196 230 245 280 322 392 460 490 529 644 805 920 941 980 1058 1127 1288 1610 1882 1960 2116 2254 2645 3220 3703 3764 4232 4508 4705 5290 5635 6440 6587 7406 7528 9016 9410 10580 11270 13174 14812 18515 18820 21160 21643 22540 25921 26348 29624 32935 37030 37640 43286 45080 46109 51842 52696 65870 74060 86572 92218 103684 108215 129605 131740 148120 151501 173144 184436 207368 216430 230545 259210 263480 303002 368872 432860 461090 497789 518420 606004 757505 865720 885481 922180 995578 1036840 1060507 1212008 1515010 1770962 1844360 1991156 2121014 2488945 3030020 3484523 3541924 3982312 4242028 4427405 4977890 5302535 6060040 6198367 6969046 7083848 8484056 8854810 9955780 10605070 12396734 13938092 17422615 17709620 19911560 20366063 21210140 24391661 24793468 27876184 30991835 34845230 35419240 40732126 42420280 43388569 48783322 49586936 61983670 69690460 81464252 86777138 97566644 101830315 121958305 123967340 139380920 142562441 162928504 173554276 195133288 203660630 216942845 243916610 247934680 285124882 347108552 407321260 433885690 468419449 487833220 570249764 712812205 814642520 867771380 936838898 975666440 997937087 1140499528 1425624410 1735542760 1873677796 1995874174 2342097245 2851248820 3278936143 3747355592 3991748348 4684194490 4989685435 5702497640 6557872286 7983496696 9368388980 9979370870 13115744572 16394680715 18736777960 19958741740 22952553001 26231489144 32789361430 39917483480 45905106002 65578722860 91810212004 114762765005 131157445720 183620424008 229525530010 459051060020 918102120040
• Sum of all divisors σ(n): 2514684544470
• Sum of proper divisors (its aliquot sum) s(n): 1596582424430
• 918102120040 is an abundant number, because the sum of its proper divisors (1596582424430) is greater than itself. Its abundance is 678480304390

Bases of 918102120040

• Binary: 1101010111000011001001101001011001101000₂
• Hexadecimal: 0xD5C3269668
• Base-36: BPRQAPNS

Squares and roots of 918102120040

• 918102120040 squared (918102120040²) is 842911502821942569601600
• 918102120040 cubed (918102120040³) is 773878837746927915782354218176064000
• The square root of 918102120040 is 958176.4555863393
• The cube root of 918102120040 is 9719.1957709565

Scales and comparisons

• 918,102,120,040 seconds is equal to 29,192 years, 41 weeks, 6 days, 22 hours, 40 minutes, 40 seconds.
• To count from 1 to 918,102,120,040 would take you about fifty-eight thousand, three hundred eighty-five 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 918102120040 cubic inches would be around 809.9 feet tall.

Recreational maths with 918102120040

• 918102120040 backwards is 040021201819
• 918102120040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 918102120040's digits is 28
• More coming soon!