28644272640

Names of 28644272640

• Cardinal: 28644272640 can be written as Twenty-eight billion, six hundred forty-four million, two hundred seventy-two thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.864427264 × 10¹⁰

Factors of 28644272640

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 389

Divisors of 28644272640

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 32 36 40 45 48 60 61 64 72 80 89 90 96 120 122 128 144 160 178 180 183 192 229 240 244 256 267 288 305 320 356 360 366 384 445 458 480 488 512 534 549 576 610 640 687 712 720 732 768 801 890 915 916 960 976 1068 1098 1145 1152 1220 1280 1335 1374 1424 1440 1464 1536 1602 1780 1830 1832 1920 1952 2061 2136 2196 2290 2304 2440 2560 2670 2745 2748 2848 2880 2928 3204 3435 3560 3660 3664 3840 3904 4005 4122 4272 4392 4580 4608 4880 5340 5429 5490 5496 5696 5760 5856 6408 6870 7120 7320 7328 7680 7808 8010 8244 8544 8784 9160 9760 10305 10680 10858 10980 10992 11392 11520 11712 12816 13740 13969 14240 14640 14656 15616 16020 16287 16488 17088 17568 18320 19520 20381 20610 21360 21716 21960 21984 22784 23040 23424 25632 27145 27480 27938 28480 29280 29312 31232 32040 32574 32976 34176 35136 36640 39040 40762 41220 41907 42720 43432 43920 43968 45568 46848 48861 51264 54290 54960 55876 56960 58560 58624 61143 64080 65148 65952 68352 69845 70272 73280 78080 81435 81524 82440 83814 85440 86864 87840 87936 93696 97722 101905 102528 108580 109920 111752 113920 117120 117248 122286 125721 128160 130296 131904 136704 139690 140544 146560 156160 162870 163048 164880 167628 170880 173728 175680 175872 183429 195444 203810 205056 209535 217160 219840 223504 227840 234240 244305 244572 251442 256320 260592 263808 279380 281088 293120 305715 325740 326096 329760 335256 341760 347456 351360 351744 366858 390888 407620 410112 419070 434320 439680 447008 468480 488610 489144 502884 512640 521184 527616 558760 586240 611430 628605 651480 652192 659520 670512 683520 694912 702720 733716 781776 815240 838140 868640 879360 894016 917145 977220 978288 1005768 1025280 1042368 1055232 1117520 1222860 1243241 1257210 1302960 1304384 1319040 1341024 1389824 1405440 1467432 1563552 1630480 1676280 1737280 1758720 1788032 1834290 1954440 1956576 2011536 2050560 2084736 2235040 2445720 2486482 2514420 2605920 2608768 2638080 2682048 2779648 2934864 3127104 3260960 3352560 3474560 3576064 3668580 3729723 3908880 3913152 4023072 4169472 4470080 4891440 4972964 5028840 5211840 5217536 5276160 5364096 5869728 6216205 6254208 6521920 6705120 6949120 7152128 7337160 7459446 7817760 7826304 8046144 8338944 8940160 9782880 9945928 10057680 10423680 10435072 10728192 11189169 11739456 12432410 12508416 13043840 13410240 13898240 14674320 14918892 15635520 15652608 16092288 17880320 18648615 19565760 19891856 20115360 20847360 21456384 22378338 23478912 24864820 25016832 26087680 26820480 29348640 29837784 31271040 31305216 32184576 35760640 37297230 39131520 39783712 40230720 41694720 44756676 46957824 49729640 52175360 53640960 55945845 58697280 59675568 62542080 64369152 74594460 78263040 79567424 80461440 89513352 93915648 99459280 107281920 111891690 117394560 119351136 125084160 149188920 156526080 159134848 160922880 179026704 198918560 223783380 234789120 238702272 298377840 318269696 321845760 358053408 397837120 447566760 469578240 477404544 596755680 636539392 716106816 795674240 895133520 954809088 1193511360 1432213632 1591348480 1790267040 1909618176 2387022720 2864427264 3182696960 3580534080 4774045440 5728854528 7161068160 9548090880 14322136320 28644272640
• Sum of all divisors σ(n): 102407619600
• Sum of proper divisors (its aliquot sum) s(n): 73763346960
• 28644272640 is an abundant number, because the sum of its proper divisors (73763346960) is greater than itself. Its abundance is 45119074320

Bases of 28644272640

• Binary: 11010101011010101001110101000000000₂
• Hexadecimal: 0x6AB54EA00
• Base-36: D5Q2680

Squares and roots of 28644272640

• 28644272640 squared (28644272640²) is 820494355074652569600
• 28644272640 cubed (28644272640³) is 23502464006339315756898975744000
• The square root of 28644272640 is 169246.1894401171
• The cube root of 28644272640 is 3059.7029571971

Scales and comparisons

• 28,644,272,640 seconds is equal to 910 years, 41 weeks, 3 days, 22 hours, 24 minutes.
• To count from 1 to 28,644,272,640 would take you about one thousand, 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 28644272640 cubic inches would be around 255 feet tall.

Recreational maths with 28644272640

• 28644272640 backwards is 04627244682
• 28644272640 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28644272640's digits is 45
• More coming soon!