12556509840

Names of 12556509840

• Cardinal: 12556509840 can be written as Twelve billion, five hundred fifty-six million, five hundred nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.255650984 × 10¹⁰

Factors of 12556509840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1811

Divisors of 12556509840

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 35 36 40 42 45 48 53 54 56 60 63 70 72 80 81 84 90 105 106 108 112 120 126 135 140 144 159 162 168 180 189 210 212 216 240 243 252 265 270 280 315 318 324 336 360 371 378 405 420 424 432 477 486 504 530 540 560 567 630 636 648 720 742 756 795 810 840 848 945 954 972 1008 1060 1080 1113 1134 1215 1260 1272 1296 1431 1484 1512 1590 1620 1680 1701 1741 1855 1890 1908 1944 2120 2160 2226 2268 2385 2430 2520 2544 2835 2862 2968 3024 3180 3240 3339 3402 3482 3710 3780 3816 3888 4240 4293 4452 4536 4770 4860 5040 5223 5565 5670 5724 5936 6360 6480 6678 6804 6964 7155 7420 7560 7632 8505 8586 8705 8904 9072 9540 9720 10017 10446 11130 11340 11448 12187 12720 12879 13356 13608 13928 14310 14840 15120 15669 16695 17010 17172 17410 17808 19080 19440 20034 20892 21465 22260 22680 22896 24374 25758 26115 26712 27216 27856 28620 29680 30051 31338 33390 34020 34344 34820 36561 38160 40068 41784 42930 44520 45360 47007 48748 50085 51516 52230 53424 57240 60102 60935 62676 64395 66780 68040 68688 69640 73122 78345 80136 83568 85860 89040 90153 92273 94014 97496 100170 103032 104460 109683 114480 120204 121870 125352 128790 133560 136080 139280 141021 146244 150255 156690 160272 171720 180306 182805 184546 188028 194992 200340 206064 208920 219366 235035 240408 243740 250704 257580 267120 276819 282042 292488 300510 313380 329049 343440 360612 365610 369092 376056 400680 417840 423063 438732 450765 461365 470070 480816 487480 515160 548415 553638 564084 584976 601020 626760 645911 658098 705105 721224 731220 738184 752112 801360 830457 846126 877464 901530 922730 940140 974960 987147 1030320 1096830 1107276 1128168 1202040 1253520 1291822 1316196 1384095 1410210 1442448 1462440 1476368 1645245 1660914 1692252 1754928 1803060 1845460 1880280 1937733 1974294 2115315 2193660 2214552 2256336 2404080 2491371 2583644 2632392 2768190 2820420 2924880 2961441 3229555 3290490 3321828 3384504 3606120 3690920 3760560 3875466 3948588 4152285 4230630 4387320 4429104 4935735 4982742 5167288 5264784 5536380 5640840 5813199 5922882 6459110 6580980 6643656 6769008 7212240 7381840 7474113 7750932 7897176 8304570 8461260 8774640 9688665 9871470 9965484 10334576 11072760 11281680 11626398 11845764 12456855 12918220 13161960 13287312 14807205 14948226 15501864 15794352 16609140 16922520 17439597 19377330 19742940 19930968 22145520 22422339 23252796 23691528 24913710 25836440 26323920 29065995 29614410 29896452 31003728 33218280 33845040 34879194 37370565 38754660 39485880 39861936 44844678 46505592 47383056 49827420 51672880 52318791 58131990 59228820 59792904 66436560 69758388 74741130 77509320 78971760 87197985 89689356 93011184 99654840 104637582 112111695 116263980 118457640 119585808 139516776 149482260 155018640 156956373 174395970 179378712 199309680 209275164 224223390 232527960 236915280 261593955 279033552 298964520 313912746 348791940 358757424 418550328 448446780 465055920 523187910 597929040 627825492 697583880 784781865 837100656 896893560 1046375820 1255650984 1395167760 1569563730 1793787120 2092751640 2511301968 3139127460 4185503280 6278254920 12556509840
• Sum of all divisors σ(n): 50950238976
• Sum of proper divisors (its aliquot sum) s(n): 38393729136
• 12556509840 is an abundant number, because the sum of its proper divisors (38393729136) is greater than itself. Its abundance is 25837219296

Bases of 12556509840

• Binary: 1011101100011011010010001010010000₂
• Hexadecimal: 0x2EC6D2290
• Base-36: 5RNTL00

Squares and roots of 12556509840

• 12556509840 squared (12556509840²) is 157665939362016825600
• 12556509840 cubed (12556509840³) is 1979733919032007592891963904000
• The square root of 12556509840 is 112055.8335830849
• The cube root of 12556509840 is 2324.2864324257

Scales and comparisons

• 12,556,509,840 seconds is equal to 399 years, 13 weeks, 2 days, 23 hours, 24 minutes.
• To count from 1 to 12,556,509,840 would take you about seven hundred ninety-eight 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 12556509840 cubic inches would be around 193.7 feet tall.

Recreational maths with 12556509840

• 12556509840 backwards is 04890565521
• 12556509840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12556509840's digits is 45
• More coming soon!