28474779840

Names of 28474779840

• Cardinal: 28474779840 can be written as Twenty-eight billion, four hundred seventy-four million, seven hundred seventy-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 2.847477984 × 10¹⁰

Factors of 28474779840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 2765

Divisors of 28474779840

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 29 30 32 39 40 48 52 58 60 64 65 78 80 87 96 104 116 120 130 145 156 160 174 192 195 208 232 240 260 290 312 320 348 377 390 416 435 464 480 520 580 624 696 754 780 832 841 870 928 960 1040 1131 1160 1248 1392 1508 1560 1682 1740 1856 1885 2080 2262 2320 2496 2523 2713 2784 3016 3120 3364 3480 3770 4160 4205 4524 4640 5046 5426 5568 5655 6032 6240 6728 6960 7540 8139 8410 9048 9280 10092 10852 10933 11310 12064 12480 12615 13456 13565 13920 15080 16278 16820 18096 20184 21704 21866 22620 24128 25230 26912 27130 27840 30160 32556 32799 33640 35269 36192 40368 40695 43408 43732 45240 50460 53824 54260 54665 60320 65112 65598 67280 70538 72384 78677 80736 81390 86816 87464 90480 100920 105807 108520 109330 120640 130224 131196 134560 141076 157354 161472 162780 163995 173632 174928 176345 180960 201840 211614 217040 218660 236031 260448 262392 269120 282152 314708 325560 327990 349856 352690 361920 393385 403680 423228 434080 437320 472062 520896 524784 529035 564304 629416 651120 655980 699712 705380 786770 807360 846456 868160 874640 944124 1022801 1049568 1058070 1128608 1180155 1258832 1302240 1311960 1410760 1573540 1692912 1749280 1888248 2045602 2099136 2116140 2257216 2281633 2360310 2517664 2604480 2623920 2821520 3068403 3147080 3385824 3498560 3776496 4091204 4232280 4563266 4720620 5035328 5114005 5247840 5643040 6136806 6294160 6771648 6844899 7552992 8182408 8464560 9126532 9441240 10228010 10495680 11286080 11408165 12273612 12588320 13689798 15105984 15342015 16364816 16929120 18253064 18882480 20456020 22816330 24547224 25176640 27379596 29661229 30684030 32729632 33858240 34224495 36506128 37764960 40912040 45632660 49094448 54759192 59322458 61368060 65459264 68448990 73012256 75529920 81824080 88983687 91265320 98188896 109518384 118644916 122736120 136897980 146024512 148306145 163648160 177967374 182530640 196377792 219036768 237289832 245472240 273795960 296612290 327296320 355934748 365061280 438073536 444918435 474579664 490944480 547591920 593224580 711869496 730122560 889836870 949159328 981888960 1095183840 1186449160 1423738992 1779673740 1898318656 2190367680 2372898320 2847477984 3559347480 4745796640 5694955968 7118694960 9491593280 14237389920 28474779840
• Sum of all divisors σ(n): 100872084768
• Sum of proper divisors (its aliquot sum) s(n): 72397304928
• 28474779840 is an abundant number, because the sum of its proper divisors (72397304928) is greater than itself. Its abundance is 43922525088

Bases of 28474779840

• Binary: 11010100001001110101010100011000000₂
• Hexadecimal: 0x6A13AA8C0
• Base-36: D2X5CQO

Squares and roots of 28474779840

• 28474779840 squared (28474779840²) is 810813086936470425600
• 28474779840 cubed (28474779840³) is 23087724141906775435631099904000
• The square root of 28474779840 is 168744.7179617779
• The cube root of 28474779840 is 3053.6560954141

Scales and comparisons

• 28,474,779,840 seconds is equal to 905 years, 21 weeks, 2 days, 5 hours, 4 minutes.
• To count from 1 to 28,474,779,840 would take you about one thousand, eight hundred ten 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 28474779840 cubic inches would be around 254.5 feet tall.

Recreational maths with 28474779840

• 28474779840 backwards is 04897747482
• 28474779840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28474779840's digits is 60
• More coming soon!