12664995840

Names of 12664995840

• Cardinal: 12664995840 can be written as Twelve billion, six hundred sixty-four million, nine hundred ninety-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.266499584 × 10¹⁰

Factors of 12664995840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 21
• Sum of prime factors: 426

Divisors of 12664995840

• Number of divisors d(n): 512
• 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 32 35 36 40 42 45 48 54 56 60 63 64 70 72 80 84 90 96 105 108 112 120 126 128 135 140 144 160 168 180 189 192 210 216 224 240 252 256 270 280 288 315 320 336 360 378 384 409 420 432 448 480 504 512 540 560 576 630 640 672 720 756 768 818 840 864 896 945 960 1008 1024 1080 1120 1152 1227 1260 1280 1344 1440 1512 1536 1636 1680 1728 1792 1890 1920 2016 2045 2048 2160 2240 2304 2454 2520 2560 2688 2863 2880 3024 3072 3272 3360 3456 3584 3681 3780 3840 4032 4090 4096 4320 4480 4608 4908 5040 5120 5376 5726 5760 6048 6135 6144 6544 6720 6912 7168 7362 7560 7680 8064 8180 8192 8589 8640 8960 9216 9816 10080 10240 10752 11043 11452 11520 12096 12270 12288 13088 13440 13824 14315 14336 14724 15120 15360 16128 16360 16384 17178 17280 17920 18405 18432 19632 20160 20480 21504 22086 22904 23040 24192 24540 24576 25767 26176 26880 27648 28630 28672 29448 30240 30720 32256 32720 32768 34356 34560 35840 36810 36864 39264 40320 40960 42945 43008 44172 45808 46080 48384 49080 49152 51534 52352 53760 55215 55296 57260 57344 58896 60480 61440 64512 65440 68712 69120 71680 73620 73728 77301 78528 80640 81920 85890 86016 88344 91616 92160 96768 98160 98304 103068 104704 107520 110430 110592 114520 114688 117792 120960 122880 128835 129024 130880 137424 138240 143360 147240 147456 154602 157056 161280 163840 171780 172032 176688 183232 184320 193536 196320 206136 209408 215040 220860 221184 229040 229376 235584 241920 245760 257670 258048 261760 274848 276480 286720 294480 294912 309204 314112 322560 343560 344064 353376 366464 368640 386505 387072 392640 412272 418816 430080 441720 442368 458080 471168 483840 491520 515340 516096 523520 549696 552960 573440 588960 618408 628224 645120 687120 688128 706752 732928 737280 773010 774144 785280 824544 837632 860160 883440 884736 916160 942336 967680 1030680 1032192 1047040 1099392 1105920 1146880 1177920 1236816 1256448 1290240 1374240 1413504 1465856 1474560 1546020 1548288 1570560 1649088 1675264 1720320 1766880 1832320 1884672 1935360 2061360 2064384 2094080 2198784 2211840 2355840 2473632 2512896 2580480 2748480 2827008 2931712 3092040 3096576 3141120 3298176 3350528 3440640 3533760 3664640 3769344 3870720 4122720 4188160 4397568 4423680 4711680 4947264 5025792 5160960 5496960 5654016 5863424 6184080 6193152 6282240 6596352 6701056 7067520 7329280 7538688 7741440 8245440 8376320 8795136 9423360 9894528 10051584 10321920 10993920 11308032 11726848 12368160 12564480 13192704 13402112 14135040 14658560 15077376 15482880 16490880 16752640 17590272 18846720 19789056 20103168 21987840 22616064 23453696 24736320 25128960 26385408 28270080 29317120 30154752 30965760 32981760 33505280 35180544 37693440 39578112 40206336 43975680 45232128 46907392 49472640 50257920 52770816 56540160 58634240 60309504 65963520 67010560 70361088 75386880 79156224 87951360 90464256 93814784 98945280 100515840 105541632 113080320 117268480 120619008 131927040 140722176 150773760 158312448 175902720 180928512 197890560 201031680 211083264 226160640 234536960 263854080 281444352 301547520 316624896 351805440 361857024 395781120 422166528 452321280 469073920 527708160 603095040 633249792 703610880 791562240 844333056 904642560 1055416320 1266499584 1407221760 1583124480 1809285120 2110832640 2532999168 3166248960 4221665280 6332497920 12664995840
• Sum of all divisors σ(n): 51589152000
• Sum of proper divisors (its aliquot sum) s(n): 38924156160
• 12664995840 is an abundant number, because the sum of its proper divisors (38924156160) is greater than itself. Its abundance is 26259160320

Bases of 12664995840

• Binary: 1011110010111001001000000000000000₂
• Hexadecimal: 0x2F2E48000
• Base-36: 5TGETC0

Squares and roots of 12664995840

• 12664995840 squared (12664995840²) is 160402119627217305600
• 12664995840 cubed (12664995840³) is 2031492177805889526200008704000
• The square root of 12664995840 is 112538.8636871723
• The cube root of 12664995840 is 2330.9610530671

Scales and comparisons

• 12,664,995,840 seconds is equal to 402 years, 36 weeks, 5 days, 14 hours, 24 minutes.
• To count from 1 to 12,664,995,840 would take you about eight hundred five 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 12664995840 cubic inches would be around 194.2 feet tall.

Recreational maths with 12664995840

• 12664995840 backwards is 04859946621
• 12664995840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12664995840's digits is 54
• More coming soon!