12921999948

Names of 12921999948

• Cardinal: 12921999948 can be written as Twelve billion, nine hundred twenty-one million, nine hundred ninety-nine thousand, nine hundred forty-eight.

Scientific notation

• Scientific notation: 1.2921999948 × 10¹⁰

Factors of 12921999948

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 510

Divisors of 12921999948

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 9 11 12 13 17 18 22 26 31 33 34 36 39 44 51 52 62 66 68 78 93 99 102 117 121 124 132 143 153 156 186 187 198 204 221 234 242 279 286 306 341 363 372 374 396 403 429 433 442 468 484 527 558 561 572 612 663 682 726 748 806 858 866 884 1023 1054 1089 1116 1122 1209 1287 1299 1326 1364 1452 1573 1581 1612 1683 1716 1732 1989 2046 2057 2108 2178 2244 2418 2431 2574 2598 2652 3069 3146 3162 3366 3627 3751 3897 3978 4092 4114 4356 4433 4719 4743 4763 4836 4862 5148 5196 5629 5797 6138 6171 6292 6324 6732 6851 7254 7293 7361 7502 7794 7956 8228 8866 9438 9486 9526 9724 11253 11258 11594 12276 12342 13299 13423 13702 14157 14289 14508 14586 14722 15004 15588 16887 17391 17732 18513 18876 18972 19052 20553 21879 22083 22506 22516 23188 24684 26598 26741 26846 27404 28314 28578 29172 29444 33759 33774 34782 37026 39897 40269 41106 42867 43758 44166 45012 48763 50661 52173 52393 53196 53482 53692 56628 57156 61659 61919 63767 66249 67518 67548 69564 74052 75361 79794 80223 80538 80971 82212 85734 87516 88332 95693 97526 101322 104346 104786 106964 120807 123318 123838 127534 132498 135036 146289 147653 150722 157179 159588 160446 161076 161942 171468 174499 185757 191301 191386 195052 202644 208692 209572 226083 228191 240669 241614 242913 246636 247676 255068 264996 287079 292578 295306 301444 314358 320892 323884 348998 371514 382602 382772 438867 442959 452166 456382 471537 481338 483228 485826 523497 557271 573903 574158 585156 590612 628716 678249 681109 684573 697996 728739 743028 765204 828971 861237 877734 885918 890681 904332 912764 943074 962676 971652 1046994 1052623 1114542 1147806 1148316 1328877 1356498 1362218 1369146 1457478 1570491 1624183 1657942 1722474 1755468 1771836 1781362 1886148 1919489 2043327 2053719 2093988 2105246 2229084 2295612 2486913 2510101 2657754 2672043 2712996 2724436 2738292 2914956 2966483 3140982 3157869 3248366 3315884 3444948 3562724 3838978 4086654 4107438 4210492 4872549 4973826 5020202 5315508 5344086 5758467 5932966 6129981 6281964 6315738 6496732 7460739 7530303 7677956 8016129 8173308 8214876 8899449 9473607 9745098 9947652 10040404 10688172 11516934 11578853 11865932 12259962 12631476 14617647 14921478 15060606 16032258 17275401 17798898 18947214 19490196 21114379 22590909 23033868 23157706 24519924 26698347 27611111 29235294 29842956 30121212 32064516 32631313 34550802 34736559 35597796 37894428 42228758 45181818 46315412 53396694 55222222 58470588 63343137 65262626 69101604 69473118 82833333 84457516 90363636 97893939 104209677 106793388 110444444 126686274 130525252 138946236 165666666 190029411 195787878 208419354 248499999 253372548 293681817 331333332 358944443 380058822 391575756 416838708 496999998 587363634 717888886 760117644 993999996 1076833329 1174727268 1435777772 2153666658 3230499987 4307333316 6460999974 12921999948
• Sum of all divisors σ(n): 42357788928
• Sum of proper divisors (its aliquot sum) s(n): 29435788980
• 12921999948 is an abundant number, because the sum of its proper divisors (29435788980) is greater than itself. Its abundance is 16513789032

Bases of 12921999948

• Binary: 1100000010001101100001001001001100₂
• Hexadecimal: 0x30236124C
• Base-36: 5XPFAZ0

Squares and roots of 12921999948

• 12921999948 squared (12921999948²) is 166978082656112002704
• 12921999948 cubed (12921999948³) is 2157690775399419000823263859392
• The square root of 12921999948 is 113674.9750296871
• The cube root of 12921999948 is 2346.6225783817

Scales and comparisons

• 12,921,999,948 seconds is equal to 410 years, 45 weeks, 5 days, 4 hours, 25 minutes, 48 seconds.
• To count from 1 to 12,921,999,948 would take you about eight hundred twenty-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 12921999948 cubic inches would be around 195.6 feet tall.

Recreational maths with 12921999948

• 12921999948 backwards is 84999912921
• The number of decimal digits it has is: 11
• The sum of 12921999948's digits is 63
• More coming soon!