21698732412

Names of 21698732412

• Cardinal: 21698732412 can be written as Twenty-one billion, six hundred ninety-eight million, seven hundred thirty-two thousand, four hundred twelve.

Scientific notation

• Scientific notation: 2.1698732412 × 10¹⁰

Factors of 21698732412

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 74

Divisors of 21698732412

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 19 21 27 28 36 38 42 43 54 57 63 76 84 86 108 114 126 129 133 171 172 189 228 252 258 266 301 342 361 378 387 399 513 516 532 602 684 722 756 774 798 817 903 1026 1083 1161 1197 1204 1444 1548 1596 1634 1806 1849 2052 2166 2322 2394 2451 2527 2709 3249 3268 3591 3612 3698 4332 4644 4788 4902 5054 5418 5547 5719 6498 7182 7353 7396 7581 8127 9747 9804 10108 10836 11094 11438 12943 12996 14364 14706 15162 15523 16254 16641 17157 19494 22059 22188 22743 22876 25886 29412 30324 31046 32508 33282 34314 35131 38829 38988 44118 45486 46569 49923 51471 51772 62092 66564 68229 68628 70262 77658 79507 88236 90972 93138 99846 102942 105393 108661 116487 136458 139707 140524 154413 155316 159014 186276 199692 205884 210786 217322 232974 238521 245917 272916 279414 308826 316179 318028 325983 349461 419121 421572 434644 465948 477042 491834 556549 558828 617652 632358 651966 667489 698922 715563 737751 838242 948537 954084 977949 983668 1113098 1264716 1303932 1334978 1397844 1431126 1475502 1510633 1669647 1676484 1897074 1955898 2002467 2146689 2213253 2226196 2669956 2862252 2933847 2951004 3021266 3339294 3794148 3911796 4004934 4293378 4426506 4531899 4672423 5008941 5867694 6007401 6042532 6639759 6678588 8009868 8586756 8853012 9063798 9344846 10017882 10574431 11735388 12014802 13279518 13595697 14017269 15026823 18022203 18127596 18689692 20035764 21148862 24029604 26559036 27191394 28034538 28702027 30053646 31723293 36044406 40787091 42051807 42297724 54382788 56069076 57404054 60107292 63446586 72088812 81574182 84103614 86106081 95169879 114808108 126155421 126893172 163148364 168207228 172212162 190339758 200914189 252310842 258318243 285509637 344424324 380679516 401828378 504621684 516636486 571019274 602742567 774954729 803656756 1033272972 1142038548 1205485134 1549909458 1808227701 2410970268 3099818916 3616455402 5424683103 7232910804 10849366206 21698732412
• Sum of all divisors σ(n): 69470016000
• Sum of proper divisors (its aliquot sum) s(n): 47771283588
• 21698732412 is an abundant number, because the sum of its proper divisors (47771283588) is greater than itself. Its abundance is 26072551176

Bases of 21698732412

• Binary: 10100001101010110000110000101111100₂
• Hexadecimal: 0x50D58617C
• Base-36: 9YUV530

Squares and roots of 21698732412

• 21698732412 squared (21698732412²) is 470834988287579337744
• 21698732412 cubed (21698732412³) is 10216522421059338152927227758528
• The square root of 21698732412 is 147304.8960897091
• The cube root of 21698732412 is 2789.1901407091

Scales and comparisons

• 21,698,732,412 seconds is equal to 689 years, 49 weeks, 3 days, 17 hours, 40 minutes, 12 seconds.
• To count from 1 to 21,698,732,412 would take you about one thousand, three hundred seventy-nine 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 21698732412 cubic inches would be around 232.4 feet tall.

Recreational maths with 21698732412

• 21698732412 backwards is 21423789612
• The number of decimal digits it has is: 11
• The sum of 21698732412's digits is 45
• More coming soon!