80642569728

Names of 80642569728

• Cardinal: 80642569728 can be written as Eighty billion, six hundred forty-two million, five hundred sixty-nine thousand, seven hundred twenty-eight.

Scientific notation

• Scientific notation: 8.0642569728 × 10¹⁰

Factors of 80642569728

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1021

Divisors of 80642569728

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 16 21 24 28 32 42 48 56 64 73 84 96 112 127 128 146 168 192 219 224 254 256 292 336 381 384 438 448 508 511 512 584 672 762 768 809 876 889 896 1016 1022 1168 1344 1524 1533 1536 1618 1752 1778 1792 2032 2044 2336 2427 2667 2688 3048 3066 3236 3504 3556 3584 4064 4088 4672 4854 5334 5376 5663 6096 6132 6472 7008 7112 8128 8176 9271 9344 9708 10668 10752 11326 12192 12264 12944 14016 14224 16256 16352 16989 18542 18688 19416 21336 22652 24384 24528 25888 27813 28032 28448 32512 32704 33978 37084 37376 38832 42672 45304 48768 49056 51776 55626 56064 56896 59057 64897 65024 65408 67956 74168 77664 85344 90608 97536 98112 102743 103552 111252 112128 113792 118114 129794 130816 135912 148336 155328 170688 177171 181216 194691 195072 196224 205486 207104 222504 227584 236228 259588 261632 271824 296672 308229 310656 341376 354342 362432 389382 392448 410972 413399 414208 445008 455168 472456 519176 543648 593344 616458 621312 682752 708684 719201 724864 778764 784896 821944 826798 890016 944912 1038352 1087296 1186688 1232916 1240197 1242624 1365504 1417368 1438402 1449728 1557528 1643888 1653596 1780032 1889824 2076704 2157603 2174592 2373376 2465832 2480394 2834736 2876804 2899456 3115056 3287776 3307192 3560064 3779648 4153408 4315206 4349184 4746752 4931664 4960788 5669472 5753608 6230112 6575552 6614384 7120128 7500239 7559296 8306816 8630412 8698368 9863328 9921576 11338944 11507216 12460224 13151104 13228768 14240256 15000478 15118592 16613632 17260824 19726656 19843152 22500717 22677888 23014432 24920448 26302208 26457536 30000956 30237184 33227264 34521648 39453312 39686304 45001434 45355776 46028864 49840896 52501673 52604416 52915072 60001912 69043296 78906624 79372608 90002868 90711552 92057728 99681792 105003346 105830144 120003824 138086592 157505019 157813248 158745216 180005736 184115456 210006692 211660288 240007648 276173184 315010038 317490432 360011472 368230912 420013384 480015296 552346368 630020076 634980864 720022944 840026768 960030592 1104692736 1260040152 1440045888 1680053536 1920061184 2520080304 2880091776 3360107072 3840122368 5040160608 5760183552 6720214144 10080321216 11520367104 13440428288 20160642432 26880856576 40321284864 80642569728
• Sum of all divisors σ(n): 251161067520
• Sum of proper divisors (its aliquot sum) s(n): 170518497792
• 80642569728 is an abundant number, because the sum of its proper divisors (170518497792) is greater than itself. Its abundance is 89875928064

Bases of 80642569728

• Binary: 1001011000110101010111111011000000000₂
• Hexadecimal: 0x12C6ABF600
• Base-36: 111OI51C

Squares and roots of 80642569728

• 80642569728 squared (80642569728²) is 6503224052335341993984
• 80642569728 cubed (80642569728³) is 524436699097259537988581276516352
• The square root of 80642569728 is 283976.3541705541
• The cube root of 80642569728 is 4320.3750840305

Scales and comparisons

• 80,642,569,728 seconds is equal to 2,564 years, 9 weeks, 4 days, 1 hour, 48 minutes, 48 seconds.
• To count from 1 to 80,642,569,728 would take you about five thousand, one hundred twenty-eight 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 80642569728 cubic inches would be around 360 feet tall.

Recreational maths with 80642569728

• 80642569728 backwards is 82796524608
• The number of decimal digits it has is: 11
• The sum of 80642569728's digits is 57
• More coming soon!