12845396928

Names of 12845396928

• Cardinal: 12845396928 can be written as Twelve billion, eight hundred forty-five million, three hundred ninety-six thousand, nine hundred twenty-eight.

Scientific notation

• Scientific notation: 1.2845396928 × 10¹⁰

Factors of 12845396928

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 834

Divisors of 12845396928

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 17 21 24 26 28 32 34 39 42 48 51 52 56 59 64 68 78 84 91 96 102 104 112 118 119 136 156 168 177 182 192 204 208 221 224 236 238 272 273 312 336 354 357 364 408 413 416 442 448 472 476 544 546 624 663 672 708 714 728 733 767 816 826 832 884 944 952 1003 1088 1092 1239 1248 1326 1344 1416 1428 1456 1466 1534 1547 1632 1652 1768 1888 1904 2006 2184 2199 2301 2478 2496 2652 2832 2856 2912 2932 3009 3068 3094 3264 3304 3536 3776 3808 4012 4368 4398 4602 4641 4956 5131 5304 5369 5664 5712 5824 5864 6018 6136 6188 6608 7021 7072 7616 8024 8736 8796 9204 9282 9529 9912 10262 10608 10738 11328 11424 11728 12036 12272 12376 12461 13039 13216 14042 14144 15393 16048 16107 17472 17592 18408 18564 19058 19824 20524 21063 21216 21476 22848 23456 24072 24544 24752 24922 26078 26432 28084 28587 30786 32096 32214 35184 36816 37128 37383 38116 39117 39648 41048 42126 42432 42952 43247 46912 48144 49088 49504 49844 52156 56168 57174 61572 64192 64428 66703 70368 73632 74256 74766 76232 78234 79296 82096 84252 85904 86494 87227 91273 96288 99008 99688 104312 112336 114348 123144 128856 129741 133406 140736 147264 148512 149532 152464 156468 161993 164192 168504 171808 172988 174454 182546 192576 199376 200109 208624 224672 228696 246288 257712 259482 261681 266812 273819 297024 299064 302729 304928 312936 323986 328384 337008 343616 345976 348908 365092 398752 400218 417248 449344 457392 485979 492576 515424 518964 523362 533624 547638 562211 598128 605458 609856 625872 647972 674016 691952 697816 730184 735199 797504 800436 834496 908187 914784 971958 985152 1030848 1037928 1046724 1067248 1095276 1124422 1133951 1196256 1210916 1251744 1295944 1348032 1383904 1395632 1460368 1470398 1600872 1686633 1816374 1829568 1943916 2075856 2093448 2134496 2190552 2205597 2248844 2267902 2392512 2421832 2503488 2591888 2767808 2791264 2920736 2940796 3201744 3373266 3401853 3632748 3887832 3935477 4151712 4186896 4268992 4381104 4411194 4497688 4535804 4843664 5146393 5183776 5582528 5841472 5881592 6403488 6746532 6803706 7265496 7775664 7870954 8303424 8373792 8762208 8822388 8995376 9071608 9557587 9687328 10292786 10367552 11763184 11806431 12806976 13493064 13607412 14530992 15439179 15551328 15741908 16747584 17524416 17644776 17990752 18143216 19115174 19374656 20585572 23526368 23612862 26986128 27214824 28672761 29061984 30878358 31102656 31483816 35289552 35981504 36286432 38230348 41171144 47052736 47225724 53972256 54429648 57345522 58123968 61756716 62967632 66903109 70579104 72572864 76460696 82342288 94451448 107944512 108859296 114691044 123513432 125935264 133806218 141158208 152921392 164684576 188902896 200709327 217718592 229382088 247026864 251870528 267612436 305842784 329369152 377805792 401418654 458764176 494053728 535224872 611685568 755611584 802837308 917528352 988107456 1070449744 1605674616 1835056704 2140899488 3211349232 4281798976 6422698464 12845396928
• Sum of all divisors σ(n): 45102597120
• Sum of proper divisors (its aliquot sum) s(n): 32257200192
• 12845396928 is an abundant number, because the sum of its proper divisors (32257200192) is greater than itself. Its abundance is 19411803264

Bases of 12845396928

• Binary: 1011111101101001010011001111000000₂
• Hexadecimal: 0x2FDA533C0
• Base-36: 5WFTFPC

Squares and roots of 12845396928

• 12845396928 squared (12845396928²) is 165004222237871837184
• 12845396928 cubed (12845396928³) is 2119544729441388182621069770752
• The square root of 12845396928 is 113337.5353887669
• The cube root of 12845396928 is 2341.9763739607

Scales and comparisons

• 12,845,396,928 seconds is equal to 408 years, 23 weeks, 13 hours, 48 minutes, 48 seconds.
• To count from 1 to 12,845,396,928 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 12845396928 cubic inches would be around 195.2 feet tall.

Recreational maths with 12845396928

• 12845396928 backwards is 82969354821
• The number of decimal digits it has is: 11
• The sum of 12845396928's digits is 57
• More coming soon!