21529128348

Names of 21529128348

• Cardinal: 21529128348 can be written as Twenty-one billion, five hundred twenty-nine million, one hundred twenty-eight thousand, three hundred forty-eight.

Scientific notation

• Scientific notation: 2.1529128348 × 10¹⁰

Factors of 21529128348

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 104

Divisors of 21529128348

• Number of divisors d(n): 378
• Complete list of divisors:
  1 2 3 4 6 7 9 12 13 14 18 21 26 27 28 36 39 42 52 54 63 78 79 81 84 91 108 117 126 156 158 162 169 182 189 234 237 243 252 273 316 324 338 351 364 378 468 474 486 507 546 553 567 676 702 711 729 756 819 948 972 1014 1027 1053 1092 1106 1134 1183 1404 1422 1458 1521 1638 1659 1701 2028 2054 2106 2133 2212 2268 2366 2457 2844 2916 3042 3081 3159 3276 3318 3402 3549 4108 4212 4266 4563 4732 4914 4977 5103 6084 6162 6241 6318 6399 6636 6804 7098 7189 7371 8532 9126 9243 9477 9828 9954 10206 10647 12324 12482 12636 12798 13351 13689 14196 14378 14742 14931 18252 18486 18723 18954 19197 19908 20412 21294 21567 22113 24964 25596 26702 27378 27729 28756 29484 29862 31941 36972 37446 37908 38394 40053 41067 42588 43134 43687 44226 44793 53404 54756 55458 56169 57591 59724 63882 64701 66339 74892 76788 80106 81133 82134 83187 86268 87374 88452 89586 93457 95823 110916 112338 115182 120159 123201 127764 129402 131061 132678 134379 160212 162266 164268 166374 168507 174748 179172 186914 191646 194103 224676 230364 240318 243399 246402 249561 258804 262122 265356 268758 280371 287469 324532 332748 337014 360477 373828 383292 388206 393183 403137 480636 486798 492804 499122 505521 524244 537516 560742 567931 574938 582309 674028 720954 730197 748683 776412 786366 806274 841113 862407 973596 998244 1011042 1054729 1081431 1121484 1135862 1149876 1164618 1179549 1441908 1460394 1497366 1516563 1572732 1612548 1682226 1703793 1724814 1746927 2022084 2109458 2162862 2190591 2271724 2329236 2359098 2523339 2920788 2994732 3033126 3164187 3244293 3364452 3407586 3449628 3493854 3538647 4218916 4325724 4381182 4549689 4718196 5046678 5111379 5240781 6066252 6328374 6488586 6571773 6815172 6987708 7077294 7383103 7570017 8762364 9099378 9492561 9732879 10093356 10222758 10481562 10615941 12656748 12977172 13143546 14154588 14766206 15140034 15334137 18198756 18985122 19465758 19715319 20445516 20963124 21231882 22149309 22710051 26287092 28477683 29532412 30280068 30668274 31847823 37970244 38931516 39430638 42463764 44298618 45420102 46002411 56955366 59145957 61336548 63695646 66447927 68130153 78861276 85433049 88597236 90840204 92004822 113910732 118291914 127391292 132895854 136260306 138007233 170866098 184009644 199343781 236583828 256299147 265791708 272520612 276014466 341732196 398687562 414021699 512598294 552028932 598031343 768897441 797375124 828043398 1025196588 1196062686 1537794882 1656086796 1794094029 2392125372 3075589764 3588188058 5382282087 7176376116 10764564174 21529128348
• Sum of all divisors σ(n): 70801925544
• Sum of proper divisors (its aliquot sum) s(n): 49272797196
• 21529128348 is an abundant number, because the sum of its proper divisors (49272797196) is greater than itself. Its abundance is 27743668848

Bases of 21529128348

• Binary: 10100000011001111000110110110011100₂
• Hexadecimal: 0x5033C6D9C
• Base-36: 9W1VXR0

Squares and roots of 21529128348

• 21529128348 squared (21529128348²) is 463503367424657209104
• 21529128348 cubed (21529128348³) is 9978823487015647274703490080192
• The square root of 21529128348 is 146728.0762090199
• The cube root of 21529128348 is 2781.9040640047

Scales and comparisons

• 21,529,128,348 seconds is equal to 684 years, 29 weeks, 17 hours, 25 minutes, 48 seconds.
• To count from 1 to 21,529,128,348 would take you about one thousand, three hundred sixty-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 21529128348 cubic inches would be around 231.8 feet tall.

Recreational maths with 21529128348

• 21529128348 backwards is 84382192512
• The number of decimal digits it has is: 11
• The sum of 21529128348's digits is 45
• More coming soon!