21250123488

Names of 21250123488

• Cardinal: 21250123488 can be written as Twenty-one billion, two hundred fifty million, one hundred twenty-three thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 2.1250123488 × 10¹⁰

Factors of 21250123488

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1145

Divisors of 21250123488

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 17 18 19 22 24 32 33 34 36 38 44 48 51 57 66 68 72 76 88 96 99 102 114 132 136 144 152 153 171 176 187 198 204 209 228 264 272 288 304 306 323 342 352 361 374 396 408 418 456 528 544 561 608 612 627 646 684 722 748 792 816 836 912 969 1056 1083 1093 1122 1224 1254 1292 1368 1444 1496 1584 1632 1672 1683 1824 1881 1938 2166 2186 2244 2448 2508 2584 2736 2888 2907 2992 3168 3249 3279 3344 3366 3553 3762 3876 3971 4332 4372 4488 4896 5016 5168 5472 5776 5814 5984 6137 6498 6558 6688 6732 7106 7524 7752 7942 8664 8744 8976 9837 10032 10336 10659 11552 11628 11913 12023 12274 12996 13116 13464 14212 15048 15504 15884 17328 17488 17952 18411 18581 19674 20064 20767 21318 23256 23826 24046 24548 25992 26232 26928 28424 30096 31008 31768 31977 34656 34976 35739 36069 36822 37162 39348 41534 42636 46512 47652 48092 49096 51984 52464 53856 55233 55743 56848 60192 62301 63536 63954 67507 71478 72138 73644 74324 78696 83068 85272 93024 95304 96184 98192 103968 104928 108207 110466 111486 113696 124602 127072 127908 135014 142956 144276 147288 148648 157392 166136 167229 170544 186903 190608 192368 196384 202521 204391 216414 220932 222972 228437 249204 255816 270028 285912 288552 294576 297296 314784 332272 334458 341088 353039 373806 381216 384736 394573 405042 408782 432828 441864 445944 456874 498408 511632 540056 571824 577104 589152 594592 607563 613173 664544 668916 685311 706078 747612 789146 810084 817564 865656 883728 891888 913748 996816 1023264 1059117 1080112 1143648 1154208 1183719 1215126 1226346 1337832 1370622 1412156 1495224 1578292 1620168 1635128 1731312 1767456 1783776 1827496 1839519 1993632 2055933 2118234 2160224 2367438 2430252 2452692 2675664 2741244 2824312 2990448 3156584 3177351 3240336 3270256 3462624 3551157 3654992 3679038 3883429 4111866 4236468 4340303 4734876 4860504 4905384 5351328 5482488 5648624 5980896 6313168 6354702 6480672 6540512 6707741 7102314 7309984 7358076 7766858 8223732 8472936 8680606 9469752 9721008 9810768 10964976 11297248 11650287 12626336 12709404 13020909 13415482 14204628 14716152 15533716 16447464 16945872 17361212 18939504 19442016 19621536 20123223 21929952 23300574 25418808 26041818 26830964 28409256 29432304 31067432 32894928 33891744 34722424 34950861 37879008 39062727 40246446 46601148 50837616 52083636 53661928 56818512 58864608 60369669 62134864 65789856 69444848 69901722 73785151 78125454 80492892 93202296 101675232 104167272 107323856 113637024 120739338 124269728 138889696 139803444 147570302 156250908 160985784 186404592 208334544 214647712 221355453 241478676 279606888 295140604 312501816 321971568 372809184 416669088 442710906 482957352 559213776 590281208 625003632 643943136 664066359 885421812 965914704 1118427552 1180562416 1250007264 1328132718 1770843624 1931829408 2361124832 2656265436 3541687248 5312530872 7083374496 10625061744 21250123488
• Sum of all divisors σ(n): 73736063856
• Sum of proper divisors (its aliquot sum) s(n): 52485940368
• 21250123488 is an abundant number, because the sum of its proper divisors (52485940368) is greater than itself. Its abundance is 31235816880

Bases of 21250123488

• Binary: 10011110010100110110010011011100000₂
• Hexadecimal: 0x4F29B26E0
• Base-36: 9RFRW80

Squares and roots of 21250123488

• 21250123488 squared (21250123488²) is 451567748255249286144
• 21250123488 cubed (21250123488³) is 9595870413622143874783847350272
• The square root of 21250123488 is 145774.2209308627
• The cube root of 21250123488 is 2769.8344937105

Scales and comparisons

• 21,250,123,488 seconds is equal to 675 years, 35 weeks, 5 days, 12 hours, 4 minutes, 48 seconds.
• To count from 1 to 21,250,123,488 would take you about one thousand, three hundred fifty-one 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 21250123488 cubic inches would be around 230.8 feet tall.

Recreational maths with 21250123488

• 21250123488 backwards is 88432105212
• 21250123488 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21250123488's digits is 36
• More coming soon!