68439717472

Names of 68439717472

• Cardinal: 68439717472 can be written as Sixty-eight billion, four hundred thirty-nine million, seven hundred seventeen thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 6.8439717472 × 10¹⁰

Factors of 68439717472

• Number of distinct prime factors ω(n): 3
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 62

Divisors of 68439717472

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 49 53 56 98 106 112 196 212 224 343 371 392 424 686 742 784 848 1372 1484 1568 1696 2401 2597 2744 2968 4802 5194 5488 5936 9604 10388 10976 11872 16807 18179 19208 20776 33614 36358 38416 41552 67228 72716 76832 83104 117649 127253 134456 145432 235298 254506 268912 290864 470596 509012 537824 581728 823543 890771 941192 1018024 1647086 1781542 1882384 2036048 3294172 3563084 3764768 4072096 5764801 6235397 6588344 7126168 11529602 12470794 13176688 14252336 23059204 24941588 26353376 28504672 40353607 43647779 46118408 49883176 80707214 87295558 92236816 99766352 161414428 174591116 184473632 199532704 305534453 322828856 349182232 611068906 645657712 698364464 1222137812 1291315424 1396728928 2138741171 2444275624 4277482342 4888551248 8554964684 9777102496 17109929368 34219858736 68439717472
• Sum of all divisors σ(n): 160163465616
• Sum of proper divisors (its aliquot sum) s(n): 91723748144
• 68439717472 is an abundant number, because the sum of its proper divisors (91723748144) is greater than itself. Its abundance is 23284030672

Bases of 68439717472

• Binary: 111111101111010100110011011001100000₂
• Hexadecimal: 0xFEF533660
• Base-36: VFV8NZ4

Squares and roots of 68439717472

• 68439717472 squared (68439717472²) is 4683994927647182070784
• 68439717472 cubed (68439717472³) is 320571289488454222621400865538048
• The square root of 68439717472 is 261609.8573677989
• The cube root of 68439717472 is 4090.4341230121

Scales and comparisons

• 68,439,717,472 seconds is equal to 2,176 years, 8 weeks, 6 days, 8 hours, 37 minutes, 52 seconds.
• To count from 1 to 68,439,717,472 would take you about four thousand, three hundred fifty-two 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 68439717472 cubic inches would be around 340.9 feet tall.

Recreational maths with 68439717472

• 68439717472 backwards is 27471793486
• The number of decimal digits it has is: 11
• The sum of 68439717472's digits is 58
• More coming soon!