12729699840

Names of 12729699840

• Cardinal: 12729699840 can be written as Twelve billion, seven hundred twenty-nine million, six hundred ninety-nine thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.272969984 × 10¹⁰

Factors of 12729699840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 274

Divisors of 12729699840

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 3 4 5 6 8 10 11 12 13 15 16 20 22 24 26 30 32 33 39 40 44 48 52 55 60 64 65 66 67 78 80 88 96 104 110 120 128 130 132 134 143 156 160 165 173 176 192 195 201 208 220 240 256 260 264 268 286 312 320 330 335 346 352 384 390 402 416 429 440 480 512 519 520 528 536 572 624 640 660 670 692 704 715 737 768 780 804 832 858 865 871 880 960 1005 1038 1040 1056 1072 1144 1248 1280 1320 1340 1384 1408 1430 1474 1536 1560 1608 1664 1716 1730 1742 1760 1903 1920 2010 2076 2080 2112 2144 2145 2211 2249 2288 2496 2560 2595 2613 2640 2680 2768 2816 2860 2948 3120 3216 3328 3432 3460 3484 3520 3685 3806 3840 4020 4152 4160 4224 4288 4290 4355 4422 4498 4576 4992 5190 5226 5280 5360 5536 5632 5709 5720 5896 6240 6432 6656 6747 6864 6920 6968 7040 7370 7612 7680 8040 8304 8320 8448 8576 8580 8710 8844 8996 9152 9515 9581 9984 10380 10452 10560 10720 11055 11072 11245 11418 11440 11591 11792 12480 12864 13065 13494 13728 13840 13936 14080 14740 15224 16080 16608 16640 16896 17152 17160 17420 17688 17992 18304 19030 19162 19968 20760 20904 21120 21440 22110 22144 22490 22836 22880 23182 23584 24739 24960 25728 26130 26988 27456 27680 27872 28160 28545 28743 29480 30448 32160 33216 33280 33735 34304 34320 34773 34840 35376 35984 36608 38060 38324 41520 41808 42240 42880 44220 44288 44980 45672 45760 46364 47168 47905 49478 49920 51456 52260 53976 54912 55360 55744 57090 57486 57955 58960 60896 64320 66432 67470 68640 69546 69680 70752 71968 73216 74217 76120 76648 83040 83616 84480 85760 88440 88576 89960 91344 91520 92728 94336 95810 98956 99840 102912 104520 107952 109824 110720 111488 114180 114972 115910 117920 121792 123695 127501 128640 132864 134940 137280 139092 139360 141504 143715 143936 148434 150683 152240 153296 166080 167232 171520 173865 176880 179920 182688 183040 185456 188672 191620 197912 209040 215904 219648 221440 222976 228360 229944 231820 235840 243584 247390 255002 257280 265728 269880 274560 278184 278720 283008 287430 287872 296868 301366 304480 306592 332160 334464 347730 353760 359840 365376 366080 370912 371085 377344 382503 383240 395824 418080 431808 442880 445952 452049 456720 459888 463640 471680 487168 494780 510004 514560 539760 549120 556368 557440 566016 574860 575744 593736 602732 608960 613184 637505 664320 668928 695460 707520 719680 730752 741824 742170 753415 765006 766480 791648 836160 863616 904098 913440 919776 927280 943360 974336 989560 1020008 1079520 1098240 1112736 1114880 1132032 1149720 1151488 1187472 1205464 1217920 1226368 1275010 1328640 1337856 1390920 1415040 1439360 1461504 1483648 1484340 1506830 1530012 1532960 1583296 1657513 1672320 1727232 1808196 1826880 1839552 1854560 1886720 1912515 1979120 2040016 2159040 2225472 2229760 2260245 2299440 2374944 2410928 2435840 2452736 2550020 2781840 2830080 2878720 2923008 2967296 2968680 3013660 3060024 3065920 3166592 3315026 3344640 3454464 3616392 3653760 3679104 3709120 3825030 3958240 4080032 4318080 4450944 4520490 4598880 4749888 4821856 4871680 4905472 4972539 5100040 5563680 5660160 5757440 5934592 5937360 6027320 6120048 6131840 6333184 6630052 6689280 7232784 7307520 7358208 7418240 7650060 7916480 8160064 8287565 8636160 8901888 9040980 9197760 9499776 9643712 9945078 10200080 11127360 11874720 12054640 12240096 12263680 12666368 13260104 14465568 14615040 14716416 14836480 15300120 15832960 16320128 16575130 17272320 17803776 18081960 18395520 18999552 19287424 19890156 20400160 22254720 23749440 24109280 24480192 24527360 24862695 26520208 28931136 29672960 30600240 31665920 32640256 33150260 36163920 36791040 37999104 38574848 39780312 40800320 44509440 47498880 48218560 48960384 49725390 53040416 57862272 61200480 63331840 65280512 66300520 72327840 73582080 77149696 79560624 81600640 89018880 94997760 96437120 97920768 99450780 106080832 115724544 122400960 132601040 144655680 159121248 163201280 189995520 192874240 195841536 198901560 212161664 231449088 244801920 265202080 289311360 318242496 326402560 385748480 397803120 424323328 489603840 530404160 578622720 636484992 795606240 848646656 979207680 1060808320 1157245440 1272969984 1591212480 2121616640 2545939968 3182424960 4243233280 6364849920 12729699840
• Sum of all divisors σ(n): 48803876352
• Sum of proper divisors (its aliquot sum) s(n): 36074176512
• 12729699840 is an abundant number, because the sum of its proper divisors (36074176512) is greater than itself. Its abundance is 23344476672

Bases of 12729699840

• Binary: 1011110110101111111100111000000000₂
• Hexadecimal: 0x2F6BFCE00
• Base-36: 5UIXN9C

Squares and roots of 12729699840

• 12729699840 squared (12729699840²) is 162045258016496025600
• 12729699840 cubed (12729699840³) is 2062787495045348174440955904000
• The square root of 12729699840 is 112825.9714782019
• The cube root of 12729699840 is 2334.9238490939

Scales and comparisons

• 12,729,699,840 seconds is equal to 404 years, 39 weeks, 5 days, 11 hours, 44 minutes.
• To count from 1 to 12,729,699,840 would take you about eight hundred nine 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 12729699840 cubic inches would be around 194.6 feet tall.

Recreational maths with 12729699840

• 12729699840 backwards is 04899692721
• The number of decimal digits it has is: 11
• The sum of 12729699840's digits is 57
• More coming soon!