21230448624

Names of 21230448624

• Cardinal: 21230448624 can be written as Twenty-one billion, two hundred thirty million, four hundred forty-eight thousand, six hundred twenty-four.

Scientific notation

• Scientific notation: 2.1230448624 × 10¹⁰

Factors of 21230448624

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2795

Divisors of 21230448624

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 33 36 42 44 48 54 56 63 66 72 77 79 81 84 88 99 108 112 126 132 144 154 158 162 168 176 189 198 216 231 237 252 264 297 308 316 324 336 378 396 432 462 474 504 528 553 567 594 616 632 648 693 711 756 792 869 891 924 948 1008 1106 1134 1188 1232 1264 1296 1386 1422 1512 1584 1659 1738 1782 1848 1896 2079 2133 2212 2268 2376 2607 2693 2772 2844 3024 3318 3476 3564 3696 3792 4158 4266 4424 4536 4752 4977 5214 5386 5544 5688 6083 6237 6399 6636 6952 7128 7821 8079 8316 8532 8848 9072 9954 10428 10772 11088 11376 12166 12474 12798 13272 13904 14256 14931 15642 16158 16632 17064 18249 18851 19908 20856 21544 23463 24237 24332 24948 25596 26544 29623 29862 31284 32316 33264 34128 36498 37702 39816 41712 43088 44793 46926 48474 48664 49896 51192 54747 56553 59246 59724 62568 64632 70389 72711 72996 75404 79632 88869 89586 93852 96948 97328 99792 102384 109494 113106 118492 119448 125136 129264 140778 145422 145992 150808 164241 169659 177738 179172 187704 193896 207361 212747 218133 218988 226212 236984 238896 266607 281556 290844 291984 301616 328482 339318 355476 358344 375408 387792 414722 425494 436266 437976 452424 473968 492723 508977 533214 563112 581688 622083 638241 656964 678636 710952 716688 799821 829444 850988 872532 875952 904848 985446 1017954 1066428 1126224 1163376 1244166 1276482 1313928 1357272 1421904 1489229 1526931 1599642 1658888 1701976 1745064 1866249 1914723 1970892 2035908 2132856 2340217 2399463 2488332 2552964 2627856 2714544 2978458 3053862 3199284 3317776 3403952 3490128 3732498 3829446 3941784 4071816 4265712 4467687 4680434 4798926 4976664 5105928 5598747 5744169 5956916 6107724 6398568 7020651 7464996 7658892 7883568 8143632 8935374 9360868 9597852 9953328 10211856 11197494 11488338 11913832 12215448 12797136 13403061 14041302 14929992 15317784 16381519 16796241 17232507 17870748 18721736 19195704 21061953 22394988 22976676 23827664 24430896 26806122 28082604 29859984 30635568 32763038 33592482 34465014 35741496 37443472 38391408 40209183 42123906 44789976 45953352 49144557 53612244 56165208 63185859 65526076 67184964 68930028 71482992 80418366 84247812 89579952 91906704 98289114 107224488 112330416 120627549 126371718 131052152 134369928 137860056 147433671 160836732 168495624 189557577 196578228 214448976 241255098 252743436 262104304 268739856 275720112 294867342 321673464 336991248 379115154 393156456 442301013 482510196 505486872 589734684 643346928 758230308 786312912 884602026 965020392 1010973744 1179469368 1326903039 1516460616 1769204052 1930040784 2358938736 2653806078 3032921232 3538408104 5307612156 7076816208 10615224312 21230448624
• Sum of all divisors σ(n): 77607889920
• Sum of proper divisors (its aliquot sum) s(n): 56377441296
• 21230448624 is an abundant number, because the sum of its proper divisors (56377441296) is greater than itself. Its abundance is 35146992672

Bases of 21230448624

• Binary: 10011110001011011101110111111110000₂
• Hexadecimal: 0x4F16EEFF0
• Base-36: 9R42700

Squares and roots of 21230448624

• 21230448624 squared (21230448624²) is 450731948776303493376
• 21230448624 cubed (21230448624³) is 9569241481690710984750892314624
• The square root of 21230448624 is 145706.7212725617
• The cube root of 21230448624 is 2768.9793936693

Scales and comparisons

• 21,230,448,624 seconds is equal to 675 years, 3 weeks, 1 day, 18 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,230,448,624 would take you about one thousand, three hundred fifty 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 21230448624 cubic inches would be around 230.7 feet tall.

Recreational maths with 21230448624

• 21230448624 backwards is 42684403212
• 21230448624 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21230448624's digits is 36
• More coming soon!