489921136640

Names of 489921136640

• Cardinal: 489921136640 can be written as Four hundred eighty-nine billion, nine hundred twenty-one million, one hundred thirty-six thousand, six hundred forty.

Scientific notation

• Scientific notation: 4.8992113664 × 10¹¹

Factors of 489921136640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 32702

Divisors of 489921136640

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 8 10 13 16 20 26 32 40 52 64 65 80 104 113 128 130 160 208 226 256 260 320 416 452 512 520 565 640 832 904 1024 1040 1130 1280 1469 1664 1808 2048 2080 2260 2560 2938 3328 3616 4160 4520 5120 5876 6656 7232 7345 8320 9040 10240 11752 13312 14464 14690 16640 18080 23504 26624 28928 29380 32569 33280 36160 47008 57856 58760 65138 66560 72320 94016 115712 117520 130276 133120 144640 162845 188032 231424 235040 260552 289280 325690 376064 423397 470080 521104 578560 651380 752128 846794 940160 1042208 1157120 1302760 1504256 1693588 1880320 2084416 2116985 2605520 3008512 3387176 3680297 3760640 4168832 4233970 5211040 6774352 7360594 7521280 8337664 8467940 10422080 13548704 14721188 15042560 16675328 16935880 18401485 20844160 27097408 29442376 33350656 33871760 36802970 41688320 47843861 54194816 58884752 66701312 67743520 73605940 83376640 95687722 108389632 117769504 135487040 147211880 166753280 191375444 216779264 235539008 239219305 270974080 294423760 333506560 382750888 433558528 471078016 478438610 541948160 588847520 765501776 867117056 942156032 956877220 1083896320 1177695040 1531003552 1884312064 1913754440 2167792640 2355390080 3062007104 3768624128 3827508880 4335585280 4710780160 6124014208 7537248256 7655017760 9421560320 12248028416 15310035520 18843120640 24496056832 30620071040 37686241280 48992113664 61240142080 97984227328 122480284160 244960568320 489921136640
• Sum of all divisors σ(n): 1277190860400
• Sum of proper divisors (its aliquot sum) s(n): 787269723760
• 489921136640 is an abundant number, because the sum of its proper divisors (787269723760) is greater than itself. Its abundance is 297348587120

Bases of 489921136640

• Binary: 111001000010001100100110100100000000000₂
• Hexadecimal: 0x7211934800
• Base-36: 692EE8E8

Squares and roots of 489921136640

• 489921136640 squared (489921136640²) is 240022720126629550489600
• 489921136640 cubed (489921136640³) is 117592203863862954108077100498944000
• The square root of 489921136640 is 699943.6667618331
• The cube root of 489921136640 is 7883.3121894981

Scales and comparisons

• 489,921,136,640 seconds is equal to 15,577 years, 50 weeks, 5 days, 12 hours, 37 minutes, 20 seconds.
• To count from 1 to 489,921,136,640 would take you about thirty-one thousand, one hundred fifty-five 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 489921136640 cubic inches would be around 656.9 feet tall.

Recreational maths with 489921136640

• 489921136640 backwards is 046631129984
• The number of decimal digits it has is: 12
• The sum of 489921136640's digits is 53
• More coming soon!