642481804384

Names of 642481804384

• Cardinal: 642481804384 can be written as Six hundred forty-two billion, four hundred eighty-one million, eight hundred four thousand, three hundred eighty-four.

Scientific notation

• Scientific notation: 6.42481804384 × 10¹¹

Factors of 642481804384

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 183

Divisors of 642481804384

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 73 101 112 146 202 224 292 404 511 584 707 808 1022 1168 1414 1616 2044 2336 2828 3232 4088 5329 5656 7373 8176 10658 11312 14746 16352 21316 22624 29492 37303 42632 51611 58984 74606 85264 103222 117968 149212 170528 206444 235936 298424 389017 412888 538229 596848 778034 825776 1076458 1193696 1556068 1651552 2152916 2723119 3112136 3767603 4305832 5446238 6224272 7535206 8611664 10892476 12448544 15070412 17223328 21784952 28398241 30140824 39290717 43569904 56796482 60281648 78581434 87139808 113592964 120563296 157162868 198787687 227185928 275035019 314325736 397575374 454371856 550070038 628651472 795150748 908743712 1100140076 1257302944 1590301496 2200280152 2868222341 3180602992 4400560304 5736444682 6361205984 8801120608 11472889364 20077556387 22945778728 40155112774 45891557456 80310225548 91783114912 160620451096 321240902192 642481804384
• Sum of all divisors σ(n): 1480173116688
• Sum of proper divisors (its aliquot sum) s(n): 837691312304
• 642481804384 is an abundant number, because the sum of its proper divisors (837691312304) is greater than itself. Its abundance is 195209507920

Bases of 642481804384

• Binary: 1001010110010110111001100101010001100000₂
• Hexadecimal: 0x9596E65460
• Base-36: 875H2T0G

Squares and roots of 642481804384

• 642481804384 squared (642481804384²) is 412782868964520441619456
• 642481804384 cubed (642481804384³) is 265205482471129327008920621960495104
• The square root of 642481804384 is 801549.6269002937
• The cube root of 642481804384 is 8628.8637369845

Scales and comparisons

• 642,481,804,384 seconds is equal to 20,428 years, 48 weeks, 3 days, 23 hours, 53 minutes, 4 seconds.
• To count from 1 to 642,481,804,384 would take you about forty thousand, eight hundred fifty-seven 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 642481804384 cubic inches would be around 719.1 feet tall.

Recreational maths with 642481804384

• 642481804384 backwards is 483408184246
• The number of decimal digits it has is: 12
• The sum of 642481804384's digits is 52
• More coming soon!