21271231436

Names of 21271231436

• Cardinal: 21271231436 can be written as Twenty-one billion, two hundred seventy-one million, two hundred thirty-one thousand, four hundred thirty-six.

Scientific notation

• Scientific notation: 2.1271231436 × 10¹⁰

Factors of 21271231436

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 143

Divisors of 21271231436

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 7 13 14 17 26 28 31 34 49 52 62 68 73 91 98 119 124 146 182 196 217 221 238 292 343 364 403 434 442 476 511 527 637 686 806 833 868 884 949 961 1022 1054 1241 1274 1372 1519 1547 1612 1666 1898 1922 2044 2108 2263 2482 2548 2821 3038 3094 3332 3577 3689 3796 3844 4459 4526 4964 5642 5831 6076 6188 6643 6727 6851 7154 7378 8687 8918 9052 10633 10829 11284 11662 12493 13286 13454 13702 14308 14756 15841 16133 16337 17374 17836 19747 21266 21658 23324 24986 25039 25823 26572 26908 27404 29419 31682 32266 32674 34748 38471 39494 42532 43316 46501 47089 47957 49972 50078 51646 58838 60809 63364 64532 65348 70153 75803 76942 78988 87451 93002 94178 95914 100156 103292 110887 112931 114359 117676 121618 138229 140306 151606 153884 174902 180761 186004 188356 191828 205933 212381 221774 225862 228718 243236 269297 276458 280612 303212 325507 329623 335699 349804 361522 411866 424762 425663 443548 451724 457436 491071 500123 538594 552916 612157 651014 659246 671398 723044 776209 790517 800513 823732 849524 851326 911989 982142 1000246 1077188 1192601 1224314 1302028 1318492 1342796 1441531 1486667 1552418 1581034 1601026 1702652 1823978 1885079 1964284 2000492 2349893 2385202 2448628 2883062 2973334 3104836 3162068 3202052 3437497 3500861 3647956 3770158 4285099 4699786 4770404 5533619 5603591 5766124 5946668 6383923 6874994 7001722 7540316 8348207 8570198 9399572 10090717 10406669 11067238 11207182 12767846 13195553 13749988 14003444 15503813 16696414 17140396 20181434 20813338 22134476 22414364 24062479 24506027 25535692 26391106 31007626 33392828 40362868 41626676 44687461 48124958 49012054 52782212 58437449 62015252 72846683 89374922 96249916 98024108 108526691 116874898 145693366 171542189 178749844 217053382 233749796 291386732 312812227 343084378 409062143 434106764 625624454 686168756 759686837 818124286 1251248908 1519373674 1636248572 3038747348 5317807859 10635615718 21271231436
• Sum of all divisors σ(n): 51848899200
• Sum of proper divisors (its aliquot sum) s(n): 30577667764
• 21271231436 is an abundant number, because the sum of its proper divisors (30577667764) is greater than itself. Its abundance is 9306436328

Bases of 21271231436

• Binary: 10011110011110111010011101111001100₂
• Hexadecimal: 0x4F3DD3BCC
• Base-36: 9RSCB7W

Squares and roots of 21271231436

• 21271231436 squared (21271231436²) is 452465286803874622096
• 21271231436 cubed (21271231436³) is 9624493832361333828131055409856
• The square root of 21271231436 is 145846.6024150031
• The cube root of 21271231436 is 2770.7512911283

Scales and comparisons

• 21,271,231,436 seconds is equal to 676 years, 18 weeks, 4 days, 19 hours, 23 minutes, 56 seconds.
• To count from 1 to 21,271,231,436 would take you about one 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 21271231436 cubic inches would be around 230.9 feet tall.

Recreational maths with 21271231436

• 21271231436 backwards is 63413217212
• The number of decimal digits it has is: 11
• The sum of 21271231436's digits is 32
• More coming soon!