12640235069440

Names of 12640235069440

• Cardinal: 12640235069440 can be written as Twelve trillion, six hundred forty billion, two hundred thirty-five million, sixty-nine thousand, four hundred forty.

Scientific notation

• Scientific notation: 1.264023506944 × 10¹³

Factors of 12640235069440

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 1615

Divisors of 12640235069440

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 32 40 44 55 64 80 88 110 121 128 160 176 220 242 256 320 352 440 484 512 605 640 704 880 968 1024 1210 1280 1408 1597 1760 1936 2048 2420 2560 2816 3194 3520 3872 4096 4840 5120 5632 6388 7040 7744 7985 8192 9680 10240 11264 12776 14080 15488 15970 17567 19360 20480 22528 25552 28160 30976 31940 35134 38720 40960 45056 51104 56320 61952 63880 70268 77440 87835 90112 102208 112640 123904 127760 140536 154880 175670 193237 204416 225280 247808 255520 281072 309760 351340 386474 408832 450560 495616 511040 562144 619520 702680 772948 817664 966185 991232 1022080 1124288 1239040 1405360 1545896 1635328 1932370 2044160 2248576 2478080 2550409 2810720 3091792 3270656 3864740 4088320 4497152 4956160 5100818 5621440 6183584 6541312 7729480 8176640 8994304 10201636 11242880 12367168 12752045 13082624 15458960 16353280 17988608 20403272 22485760 24734336 25504090 28054499 30917920 32706560 35977216 40806544 44971520 49468672 51008180 56108998 61835840 65413120 71954432 81613088 89943040 98937344 102016360 112217996 123671680 140272495 143908864 163226176 179886080 197874688 204032720 224435992 247343360 280544990 308599489 326452352 359772160 395749376 408065440 448871984 494686720 561089980 617198978 652904704 719544320 791498752 816130880 897743968 989373440 1122179960 1234397956 1305809408 1542997445 1582997504 1632261760 1795487936 1978746880 2244359920 2468795912 2611618816 3085994890 3264523520 3590975872 3957493760 4488719840 4937591824 5223237632 6171989780 6529047040 7181951744 7914987520 8977439680 9875183648 10446475264 12343979560 13058094080 14363903488 17954879360 19750367296 20892950528 24687959120 26116188160 28727806976 35909758720 39500734592 49375918240 52232376320 57455613952 71819517440 79001469184 98751836480 104464752640 114911227904 143639034880 158002938368 197503672960 229822455808 287278069760 316005876736 395007345920 574556139520 632011753472 790014691840 1149112279040 1264023506944 1580029383680 2528047013888 3160058767360 6320117534720 12640235069440
• Sum of all divisors σ(n): 33364005483438
• Sum of proper divisors (its aliquot sum) s(n): 20723770413998
• 12640235069440 is an abundant number, because the sum of its proper divisors (20723770413998) is greater than itself. Its abundance is 8083535344558

Bases of 12640235069440

• Binary: 10110111111100001000101110001010000000000000₂
• Hexadecimal: 0xB7F08B8A000
• Base-36: 4HAUDLKHS

Squares and roots of 12640235069440

• 12640235069440 squared (12640235069440²) is 159775542610700841621913600
• 12640235069440 cubed (12640235069440³) is 2019600416946585831685835495921680384000
• The square root of 12640235069440 is 3555310.8259953869
• The cube root of 12640235069440 is 23294.4100925571

Scales and comparisons

• 12,640,235,069,440 seconds is equal to 401,920 years, 19 weeks, 4 days, 10 minutes, 40 seconds.
• To count from 1 to 12,640,235,069,440 would take you about one million, four thousand, eight hundred 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 12640235069440 cubic inches would be around 1941.2 feet tall.

Recreational maths with 12640235069440

• 12640235069440 backwards is 04496053204621
• The number of decimal digits it has is: 14
• The sum of 12640235069440's digits is 46
• More coming soon!