12838640320

Names of 12838640320

• Cardinal: 12838640320 can be written as Twelve billion, eight hundred thirty-eight million, six hundred forty thousand, three hundred twenty.

Scientific notation

• Scientific notation: 1.283864032 × 10¹⁰

Factors of 12838640320

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1229

Divisors of 12838640320

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 47 55 64 71 80 88 94 110 142 160 176 188 220 235 284 320 352 355 376 440 470 517 568 704 710 752 781 880 940 1034 1093 1136 1420 1504 1562 1760 1880 2068 2186 2272 2585 2840 3008 3124 3337 3520 3760 3905 4136 4372 4544 5170 5465 5680 6248 6674 7520 7810 8272 8744 10340 10930 11360 12023 12496 13348 15040 15620 16544 16685 17488 20680 21860 22720 24046 24992 26696 31240 33088 33370 34976 36707 41360 43720 48092 49984 51371 53392 60115 62480 66740 69952 73414 77603 82720 87440 96184 102742 106784 120230 124960 133480 146828 155206 165440 174880 183535 192368 205484 213568 240460 249920 256855 266960 293656 310412 349760 367070 384736 388015 410968 480920 513710 533920 565081 587312 620824 734140 769472 776030 821936 853633 961840 1027420 1067840 1130162 1174624 1241648 1468280 1552060 1643872 1707266 1923680 2054840 2260324 2349248 2483296 2825405 2936560 3104120 3287744 3414532 3647341 3847360 4109680 4268165 4520648 4966592 5650810 5873120 6208240 6829064 7294682 8219360 8536330 9041296 11301620 11746240 12416480 13658128 14589364 16438720 17072660 18082592 18236705 22603240 24832960 27316256 29178728 34145320 36165184 36473410 40120751 45206480 54632512 58357456 68290640 72946820 80241502 90412960 116714912 136581280 145893640 160483004 180825920 200603755 233429824 273162560 291787280 320966008 401207510 583574560 641932016 802415020 1167149120 1283864032 1604830040 2567728064 3209660080 6419320160 12838640320
• Sum of all divisors σ(n): 34572220416
• Sum of proper divisors (its aliquot sum) s(n): 21733580096
• 12838640320 is an abundant number, because the sum of its proper divisors (21733580096) is greater than itself. Its abundance is 8894939776

Bases of 12838640320

• Binary: 1011111101001111100001101011000000₂
• Hexadecimal: 0x2FD3E1AC0
• Base-36: 5WBSM9S

Squares and roots of 12838640320

• 12838640320 squared (12838640320²) is 164830685266329702400
• 12838640320 cubed (12838640320³) is 2116201881833530455646240768000
• The square root of 12838640320 is 113307.7240085599
• The cube root of 12838640320 is 2341.5656797225

Scales and comparisons

• 12,838,640,320 seconds is equal to 408 years, 11 weeks, 6 days, 8 hours, 58 minutes, 40 seconds.
• To count from 1 to 12,838,640,320 would take you about eight hundred sixteen 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 12838640320 cubic inches would be around 195.1 feet tall.

Recreational maths with 12838640320

• 12838640320 backwards is 02304683821
• The number of decimal digits it has is: 11
• The sum of 12838640320's digits is 37
• More coming soon!