21449478310

Names of 21449478310

• Cardinal: 21449478310 can be written as Twenty-one billion, four hundred forty-nine million, four hundred seventy-eight thousand, three hundred ten.

Scientific notation

• Scientific notation: 2.144947831 × 10¹⁰

Factors of 21449478310

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 257

Divisors of 21449478310

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 5 10 13 26 37 65 73 74 127 130 146 169 185 254 338 365 370 481 635 730 845 949 962 1270 1369 1651 1690 1898 2405 2701 2738 3302 4699 4745 4810 5402 6253 6845 8255 9271 9398 9490 12337 12506 13505 13690 16510 17797 18542 21463 23495 24674 27010 31265 35113 35594 42926 46355 46990 61087 61685 62530 70226 88985 92710 99937 107315 120523 122174 123370 173863 175565 177970 199874 214630 231361 241046 305435 343027 347726 351130 456469 462722 499685 602615 610870 686054 794131 869315 912938 999370 1156805 1205230 1299181 1566799 1588262 1715135 1738630 2260219 2282345 2313610 2598362 3133598 3430270 3970655 4459351 4520438 4564690 6495905 7833995 7941310 8918702 11301095 12691999 12991810 15667990 16889353 22296755 22602190 25383998 29382847 33778706 44593510 57971563 58765694 63459995 84446765 115943126 126919990 146914235 164995987 168893530 289857815 293828470 329991974 579715630 824979935 1649959870 2144947831 4289895662 10724739155 21449478310
• Sum of all divisors σ(n): 43899480576
• Sum of proper divisors (its aliquot sum) s(n): 22450002266
• 21449478310 is an abundant number, because the sum of its proper divisors (22450002266) is greater than itself. Its abundance is 1000523956

Bases of 21449478310

• Binary: 10011111110011111010001000010100110₂
• Hexadecimal: 0x4FE7D10A6
• Base-36: 9UQGRDY

Squares and roots of 21449478310

• 21449478310 squared (21449478310²) is 460080119771160456100
• 21449478310 cubed (21449478310³) is 9868478549893708366646657191000
• The square root of 21449478310 is 146456.4041276447
• The cube root of 21449478310 is 2778.4691427547

Scales and comparisons

• 21,449,478,310 seconds is equal to 682 years, 1 week, 2 days, 20 hours, 25 minutes, 10 seconds.
• To count from 1 to 21,449,478,310 would take you about one thousand, three hundred sixty-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 21449478310 cubic inches would be around 231.5 feet tall.

Recreational maths with 21449478310

• 21449478310 backwards is 01387494412
• The number of decimal digits it has is: 11
• The sum of 21449478310's digits is 43
• More coming soon!