21137936148

Names of 21137936148

• Cardinal: 21137936148 can be written as Twenty-one billion, one hundred thirty-seven million, nine hundred thirty-six thousand, one hundred forty-eight.

Scientific notation

• Scientific notation: 2.1137936148 × 10¹⁰

Factors of 21137936148

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 355

Divisors of 21137936148

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 9 12 14 18 21 27 28 31 36 42 49 54 62 63 79 84 93 98 108 124 126 147 158 186 189 196 217 233 237 252 279 294 316 343 372 378 434 441 466 474 553 558 588 651 686 699 711 756 837 868 882 932 948 1029 1106 1116 1302 1323 1372 1398 1422 1519 1631 1659 1674 1764 1953 2058 2097 2133 2212 2449 2604 2646 2796 2844 3038 3087 3262 3318 3348 3871 3906 4116 4194 4266 4557 4893 4898 4977 5292 5859 6076 6174 6291 6524 6636 7223 7347 7742 7812 8388 8532 9114 9261 9786 9796 9954 10633 11417 11613 11718 12348 12582 13671 14446 14679 14694 14931 15484 17143 18228 18407 18522 19572 19908 21266 21669 22041 22834 23226 23436 25164 27097 27342 28892 29358 29388 29862 31899 34251 34286 34839 36814 37044 41013 42532 43338 44037 44082 45668 46452 50561 51429 54194 54684 55221 58716 59724 63798 65007 66123 68502 68572 69678 73628 79919 81291 82026 86676 88074 88164 95697 101122 102753 102858 104517 108388 110442 120001 127596 128849 130014 132246 137004 139356 151683 154287 159838 162582 164052 165663 176148 191394 195021 202244 205506 205716 209034 220884 239757 240002 243873 257698 260028 264492 287091 303366 308259 308574 319676 325164 331326 353927 360003 382788 386547 390042 411012 418068 455049 462861 479514 480004 487746 496989 515396 570617 574182 606732 616518 617148 662652 707854 719271 720006 731619 773094 780084 840007 901943 910098 925722 959028 975492 993978 1061781 1080009 1141234 1148364 1159641 1233036 1365147 1415708 1438542 1440012 1463238 1546188 1680014 1711851 1803886 1820196 1851444 1987956 2123562 2157813 2160018 2282468 2319282 2477489 2520021 2705829 2730294 2877084 2926476 3185343 3240027 3360028 3423702 3478923 3607772 3994319 4247124 4315626 4320036 4638564 4954978 5040042 5135553 5411658 5460588 6313601 6370686 6480054 6847404 6957846 7432467 7560063 7988638 8117487 8631252 9556029 9909956 10080084 10271106 10823316 11982957 12627202 12741372 12960108 13915692 14864934 15120126 15406659 15977276 16234974 18940803 19112058 20542212 22297401 22680189 23965914 24352461 25254404 27960233 29729868 30240252 30813318 32469948 35948871 37881606 38224116 44594802 45360378 47931828 48704922 55920466 56822409 61626636 66892203 71897742 75763212 83880699 89189604 90720756 97409844 107846613 111840932 113644818 133784406 143795484 167761398 170467227 195721631 215693226 227289636 251642097 267568812 335522796 340934454 391443262 431386452 503284194 587164893 681868908 754926291 782886524 1006568388 1174329786 1509852582 1761494679 2348659572 3019705164 3522989358 5284484037 7045978716 10568968074 21137936148
• Sum of all divisors σ(n): 67092480000
• Sum of proper divisors (its aliquot sum) s(n): 45954543852
• 21137936148 is an abundant number, because the sum of its proper divisors (45954543852) is greater than itself. Its abundance is 24816607704

Bases of 21137936148

• Binary: 10011101011111010110100111100010100₂
• Hexadecimal: 0x4EBEB4F14
• Base-36: 9PKZBX0

Squares and roots of 21137936148

• 21137936148 squared (21137936148²) is 446812344596925077904
• 21137936148 cubed (21137936148³) is 9444690810227975093874677673792
• The square root of 21137936148 is 145388.9134287755
• The cube root of 21137936148 is 2764.9515603329

Scales and comparisons

• 21,137,936,148 seconds is equal to 672 years, 6 weeks, 2 days, 55 minutes, 48 seconds.
• To count from 1 to 21,137,936,148 would take you about one thousand, three hundred forty-four 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 21137936148 cubic inches would be around 230.4 feet tall.

Recreational maths with 21137936148

• 21137936148 backwards is 84163973112
• The number of decimal digits it has is: 11
• The sum of 21137936148's digits is 45
• More coming soon!