61449664920

Names of 61449664920

• Cardinal: 61449664920 can be written as Sixty-one billion, four hundred forty-nine million, six hundred sixty-four thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 6.144966492 × 10¹⁰

Factors of 61449664920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1380341

Divisors of 61449664920

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 28 30 35 40 42 53 56 60 70 84 105 106 120 140 159 168 210 212 265 280 318 371 420 424 530 636 742 795 840 1060 1113 1272 1484 1590 1855 2120 2226 2968 3180 3710 4452 5565 6360 7420 8904 11130 14840 22260 44520 1380271 2760542 4140813 5521084 6901355 8281626 9661897 11042168 13802710 16563252 19323794 20704065 27605420 28985691 33126504 38647588 41408130 48309485 55210840 57971382 73154363 77295176 82816260 96618970 115942764 144928455 146308726 165632520 193237940 219463089 231885528 289856910 292617452 365771815 386475880 438926178 512080541 579713820 585234904 731543630 877852356 1024161082 1097315445 1159427640 1463087260 1536241623 1755704712 2048322164 2194630890 2560402705 2926174520 3072483246 4096644328 4389261780 5120805410 6144966492 7681208115 8778523560 10241610820 12289932984 15362416230 20483221640 30724832460 61449664920
• Sum of all divisors σ(n): 214659901440
• Sum of proper divisors (its aliquot sum) s(n): 153210236520
• 61449664920 is an abundant number, because the sum of its proper divisors (153210236520) is greater than itself. Its abundance is 91760571600

Bases of 61449664920

• Binary: 111001001110101011110111100110011000₂
• Hexadecimal: 0xE4EAF7998
• Base-36: S89JKWO

Squares and roots of 61449664920

• 61449664920 squared (61449664920²) is 3776061318780278606400
• 61449664920 cubed (61449664920³) is 232037702756421423467524567488000
• The square root of 61449664920 is 247890.4292626079
• The cube root of 61449664920 is 3946.1462155665

Scales and comparisons

• 61,449,664,920 seconds is equal to 1,953 years, 47 weeks, 1 day, 23 hours, 22 minutes.
• To count from 1 to 61,449,664,920 would take you about three thousand, nine hundred 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 61449664920 cubic inches would be around 328.8 feet tall.

Recreational maths with 61449664920

• 61449664920 backwards is 02946694416
• The number of decimal digits it has is: 11
• The sum of 61449664920's digits is 51
• More coming soon!