64181401440

Names of 64181401440

• Cardinal: 64181401440 can be written as Sixty-four billion, one hundred eighty-one million, four hundred one thousand, four hundred forty.

Scientific notation

• Scientific notation: 6.418140144 × 10¹⁰

Factors of 64181401440

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 140993

Divisors of 64181401440

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 30 32 39 40 48 52 60 65 73 78 80 96 104 120 130 146 156 160 195 208 219 240 260 292 312 365 390 416 438 480 520 584 624 730 780 876 949 1040 1095 1168 1248 1460 1560 1752 1898 2080 2190 2336 2847 2920 3120 3504 3796 4380 4745 5694 5840 6240 7008 7592 8760 9490 11388 11680 14235 15184 17520 18980 22776 28470 30368 35040 37960 45552 56940 75920 91104 113880 140897 151840 227760 281794 422691 455520 563588 704485 845382 1127176 1408970 1690764 1831661 2113455 2254352 2817940 3381528 3663322 4226910 4508704 5494983 5635880 6763056 7326644 8453820 9158305 10285481 10989966 11271760 13526112 14653288 16907640 18316610 20570962 21979932 22543520 27474915 29306576 30856443 33815280 36633220 41141924 43959864 51427405 54949830 58613152 61712886 67630560 73266440 82283848 87919728 102854810 109899660 123425772 133711253 146532880 154282215 164567696 175839456 205709620 219799320 246851544 267422506 293065760 308564430 329135392 401133759 411419240 439598640 493703088 534845012 617128860 668556265 802267518 822838480 879197280 987406176 1069690024 1234257720 1337112530 1604535036 1645676960 2005668795 2139380048 2468515440 2674225060 3209070072 4011337590 4278760096 4937030880 5348450120 6418140144 8022675180 10696900240 12836280288 16045350360 21393800480 32090700720 64181401440
• Sum of all divisors σ(n): 220707135936
• Sum of proper divisors (its aliquot sum) s(n): 156525734496
• 64181401440 is an abundant number, because the sum of its proper divisors (156525734496) is greater than itself. Its abundance is 92344333056

Bases of 64181401440

• Binary: 111011110001100000100111011101100000₂
• Hexadecimal: 0xEF1827760
• Base-36: THFY6AO

Squares and roots of 64181401440

• 64181401440 squared (64181401440²) is 4119252290802434073600
• 64181401440 cubed (64181401440³) is 264379384908630641006856105984000
• The square root of 64181401440 is 253340.4851972933
• The cube root of 64181401440 is 4003.7756316967

Scales and comparisons

• 64,181,401,440 seconds is equal to 2,040 years, 40 weeks, 7 hours, 4 minutes.
• To count from 1 to 64,181,401,440 would take you about four thousand and 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 64181401440 cubic inches would be around 333.6 feet tall.

Recreational maths with 64181401440

• 64181401440 backwards is 04410418146
• The number of decimal digits it has is: 11
• The sum of 64181401440's digits is 33
• More coming soon!