21332890908

Names of 21332890908

• Cardinal: 21332890908 can be written as Twenty-one billion, three hundred thirty-two million, eight hundred ninety thousand, nine hundred eight.

Scientific notation

• Scientific notation: 2.1332890908 × 10¹⁰

Factors of 21332890908

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 992

Divisors of 21332890908

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 23 28 36 38 42 46 57 63 69 76 84 92 114 126 133 138 161 171 207 228 252 266 276 307 322 342 399 414 437 483 532 614 631 644 684 798 828 874 921 966 1197 1228 1262 1311 1449 1596 1748 1842 1893 1932 2149 2394 2524 2622 2763 2898 3059 3684 3786 3933 4298 4417 4788 5244 5526 5679 5796 5833 6118 6447 7061 7572 7866 8596 8834 9177 11052 11358 11666 11989 12236 12894 13251 14122 14513 15732 17499 17668 18354 19341 21183 22716 23332 23978 25788 26502 27531 28244 29026 34998 35967 36708 38682 39753 40831 42366 43539 47956 49427 52497 53004 55062 58052 63549 69996 71934 77364 79506 81662 83923 84732 87078 98854 101591 104994 107901 110124 122493 127098 130617 134159 143868 148281 159012 163324 167846 174156 193717 197708 203182 209988 215802 244986 251769 254196 261234 268318 275747 296562 304773 335692 367479 387434 402477 406364 431604 444843 489972 503538 522468 536636 551494 581151 593124 609546 734958 755307 774868 804954 827241 889686 914319 939113 1007076 1102988 1162302 1207431 1219092 1356019 1469916 1510614 1609908 1654482 1743453 1779372 1828638 1878226 1930229 2324604 2414862 2481723 2712038 2817339 3021228 3308964 3486906 3657276 3680623 3756452 3860458 4068057 4455491 4829724 4963446 5424076 5634678 5790687 6973812 7361246 7720916 8136114 8452017 8910982 9926892 11041869 11269356 11581374 12204171 13366473 14722492 16272228 16904034 17372061 17821964 22083738 23162748 24408342 25764361 26732946 31188437 33125607 33808068 34744122 40099419 44167476 48816684 51528722 53465892 62376874 66251214 69488244 77293083 80198838 84654329 93565311 103057444 124753748 132502428 154586166 160397676 169308658 187130622 231879249 253962987 280695933 309172332 338617316 374261244 463758498 507925974 561391866 592580303 761888961 927516996 1015851948 1122783732 1185160606 1523777922 1777740909 2370321212 3047555844 3555481818 5333222727 7110963636 10666445454 21332890908
• Sum of all divisors σ(n): 68020592640
• Sum of proper divisors (its aliquot sum) s(n): 46687701732
• 21332890908 is an abundant number, because the sum of its proper divisors (46687701732) is greater than itself. Its abundance is 25354810824

Bases of 21332890908

• Binary: 10011110111100010100001010100011100₂
• Hexadecimal: 0x4F78A151C
• Base-36: 9ST1VZ0

Squares and roots of 21332890908

• 21332890908 squared (21332890908²) is 455092234492629064464
• 21332890908 cubed (21332890908³) is 9708432991509210562320611493312
• The square root of 21332890908 is 146057.8341205975
• The cube root of 21332890908 is 2773.4259247329

Scales and comparisons

• 21,332,890,908 seconds is equal to 678 years, 16 weeks, 4 days, 11 hours, 1 minute, 48 seconds.
• To count from 1 to 21,332,890,908 would take you about one thousand, three hundred fifty-six 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 21332890908 cubic inches would be around 231.1 feet tall.

Recreational maths with 21332890908

• 21332890908 backwards is 80909823312
• The number of decimal digits it has is: 11
• The sum of 21332890908's digits is 45
• More coming soon!