12640949440

Names of 12640949440

• Cardinal: 12640949440 can be written as Twelve billion, six hundred forty million, nine hundred forty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.264094944 × 10¹⁰

Factors of 12640949440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 108

Divisors of 12640949440

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 41 49 53 56 64 70 80 82 98 106 112 140 160 164 196 205 212 224 245 265 280 287 320 328 343 371 392 410 424 448 490 530 560 574 656 686 742 784 820 848 980 1060 1120 1148 1312 1372 1435 1484 1568 1640 1696 1715 1855 1960 2009 2120 2173 2240 2296 2597 2624 2744 2809 2870 2968 3136 3280 3392 3430 3710 3920 4018 4240 4346 4592 5194 5488 5618 5740 5936 6560 6860 7420 7840 8036 8480 8692 9184 10045 10388 10865 10976 11236 11480 11872 12985 13120 13720 14045 14063 14840 15211 15680 16072 16960 17384 18179 18368 19663 20090 20776 21730 21952 22472 22960 23744 25970 27440 28090 28126 29680 30422 32144 34768 36358 39326 40180 41552 43460 44944 45920 51940 54880 56180 56252 59360 60844 64288 69536 70315 72716 76055 78652 80360 83104 86920 89888 90895 91840 98315 103880 106477 109760 112360 112504 115169 118720 121688 128576 137641 139072 140630 145432 152110 157304 160720 166208 173840 179776 181790 196630 207760 212954 224720 225008 230338 243376 275282 281260 290864 304220 314608 321440 347680 363580 393260 415520 425908 449440 450016 460676 486752 532385 550564 562520 575845 581728 608440 629216 642880 688205 695360 727160 745339 786520 806183 831040 851816 898880 900032 921352 963487 973504 1064770 1101128 1125040 1151690 1163456 1216880 1258432 1376410 1454320 1490678 1573040 1612366 1703632 1842704 1926974 2129540 2202256 2250080 2303380 2433760 2752820 2908640 2981356 3146080 3224732 3407264 3685408 3726695 3853948 4030915 4259080 4404512 4500160 4606760 4817435 4867520 5505640 5643281 5817280 5962712 6292160 6449464 6814528 7370816 7453390 7707896 8061830 8518160 8809024 9213520 9634870 11011280 11286562 11925424 12898928 14906780 15415792 16123660 17036320 18427040 19269740 22022560 22573124 23850848 25797856 28216405 29813560 30831584 32247320 34072640 36854080 38539480 39502967 44045120 45146248 47701696 51595712 56432810 59627120 61663168 64494640 77078960 79005934 90292496 112865620 119254240 128989280 154157920 158011868 180584992 197514835 225731240 238508480 257978560 308315840 316023736 361169984 395029670 451462480 632047472 790059340 902924960 1264094944 1580118680 1805849920 2528189888 3160237360 6320474720 12640949440
• Sum of all divisors σ(n): 36650980800
• Sum of proper divisors (its aliquot sum) s(n): 24010031360
• 12640949440 is an abundant number, because the sum of its proper divisors (24010031360) is greater than itself. Its abundance is 11369081920

Bases of 12640949440

• Binary: 1011110001011101011001010011000000₂
• Hexadecimal: 0x2F17594C0
• Base-36: 5T23F0G

Squares and roots of 12640949440

• 12640949440 squared (12640949440²) is 159793602744636313600
• 12640949440 cubed (12640949440³) is 2019942853130392871405584384000
• The square root of 12640949440 is 112431.9769460629
• The cube root of 12640949440 is 2329.4848916869

Scales and comparisons

• 12,640,949,440 seconds is equal to 401 years, 49 weeks, 6 hours, 50 minutes, 40 seconds.
• To count from 1 to 12,640,949,440 would take you about eight hundred three 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 12640949440 cubic inches would be around 194.1 feet tall.

Recreational maths with 12640949440

• 12640949440 backwards is 04494904621
• The number of decimal digits it has is: 11
• The sum of 12640949440's digits is 43
• More coming soon!