66436820128

Names of 66436820128

• Cardinal: 66436820128 can be written as Sixty-six billion, four hundred thirty-six million, eight hundred twenty thousand, one hundred twenty-eight.

Scientific notation

• Scientific notation: 6.6436820128 × 10¹⁰

Factors of 66436820128

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 728

Divisors of 66436820128

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 8 14 16 28 29 32 49 56 58 83 98 112 116 166 196 203 224 232 332 392 406 464 581 607 664 784 812 841 928 1162 1214 1328 1421 1568 1624 1682 2324 2407 2428 2656 2842 3248 3364 4067 4249 4648 4814 4856 5684 5887 6496 6728 8134 8498 9296 9628 9712 11368 11774 13456 16268 16849 16996 17603 18592 19256 19424 22736 23548 26912 29743 32536 33698 33992 35206 38512 41209 45472 47096 50381 59486 65072 67396 67984 69803 70412 77024 82418 94192 100762 117943 118972 123221 130144 134792 135968 139606 140824 164836 188384 201524 235886 237944 246442 269584 279212 281648 329672 352667 403048 471772 475888 488621 492884 510487 539168 558424 563296 659344 705334 806096 862547 943544 951776 977242 985768 1020974 1116848 1318688 1410668 1461049 1612192 1725094 1887088 1954484 1971536 2041948 2233696 2468669 2821336 2922098 3420347 3450188 3573409 3774176 3908968 3943072 4083896 4937338 5642672 5844196 6840694 6900376 7146818 7817936 8167792 9874676 10227343 11285344 11688392 13681388 13800752 14293636 15635872 16335584 19749352 20454686 23376784 25013863 27362776 27601504 28587272 39498704 40909372 42370421 46753568 50027726 54725552 57174544 71591401 78997408 81818744 84740842 100055452 109451104 114349088 143182802 163637488 169481684 200110904 286365604 296592947 327274976 338963368 400221808 572731208 593185894 677926736 800443616 1145462416 1186371788 1355853472 2076150629 2290924832 2372743576 4152301258 4745487152 8304602516 9490974304 16609205032 33218410064 66436820128
• Sum of all divisors σ(n): 159741009792
• Sum of proper divisors (its aliquot sum) s(n): 93304189664
• 66436820128 is an abundant number, because the sum of its proper divisors (93304189664) is greater than itself. Its abundance is 26867369536

Bases of 66436820128

• Binary: 111101110111111100010110110010100000₂
• Hexadecimal: 0xF77F16CA0
• Base-36: UIQRMHS

Squares and roots of 66436820128

• 66436820128 squared (66436820128²) is 4413851068720225936384
• 66436820128 cubed (66436820128³) is 293242229524346217691064178737152
• The square root of 66436820128 is 257753.4095371001
• The cube root of 66436820128 is 4050.1360545261

Scales and comparisons

• 66,436,820,128 seconds is equal to 2,112 years, 25 weeks, 1 day, 16 hours, 15 minutes, 28 seconds.
• To count from 1 to 66,436,820,128 would take you about four thousand, two hundred twenty-four 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 66436820128 cubic inches would be around 337.5 feet tall.

Recreational maths with 66436820128

• 66436820128 backwards is 82102863466
• The number of decimal digits it has is: 11
• The sum of 66436820128's digits is 46
• More coming soon!