12638862432

Names of 12638862432

• Cardinal: 12638862432 can be written as Twelve billion, six hundred thirty-eight million, eight hundred sixty-two thousand, four hundred thirty-two.

Scientific notation

• Scientific notation: 1.2638862432 × 10¹⁰

Factors of 12638862432

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1062

Divisors of 12638862432

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 17 18 21 24 27 28 32 34 36 42 48 49 51 54 56 63 68 72 84 96 98 102 108 112 119 126 136 144 147 153 168 189 196 204 216 224 238 252 272 288 289 294 306 336 357 378 392 408 432 441 459 476 504 544 578 588 612 672 714 756 784 816 833 864 867 882 918 952 1008 1033 1071 1156 1176 1224 1323 1428 1512 1568 1632 1666 1734 1764 1836 1904 2016 2023 2066 2142 2312 2352 2448 2499 2601 2646 2856 3024 3099 3213 3332 3468 3528 3672 3808 4046 4132 4284 4624 4704 4896 4998 5202 5292 5712 6048 6069 6198 6426 6664 6936 7056 7231 7344 7497 7803 8092 8264 8568 9248 9297 9996 10404 10584 11424 12138 12396 12852 13328 13872 14112 14161 14462 14688 14994 15606 16184 16528 17136 17561 18207 18594 19992 20808 21168 21693 22491 24276 24792 25704 26656 27744 27891 28322 28924 29988 31212 32368 33056 34272 35122 36414 37188 39984 41616 42336 42483 43386 44982 48552 49584 50617 51408 52683 54621 55782 56644 57848 59976 62424 64736 65079 70244 72828 74376 79968 83232 84966 86772 89964 97104 99168 101234 102816 105366 109242 111564 113288 115696 119952 122927 124848 127449 130158 140488 145656 148752 151851 158049 169932 173544 179928 194208 195237 202468 210732 218484 223128 226576 231392 239904 245854 249696 254898 260316 280976 291312 297504 298537 303702 316098 339864 347088 359856 368781 382347 390474 404936 421464 436968 446256 453152 455553 474147 491708 509796 520632 561952 582624 597074 607404 632196 679728 694176 719712 737562 764694 780948 809872 842928 860489 873936 892512 895611 911106 948294 983416 1019592 1041264 1106343 1194148 1214808 1264392 1359456 1366659 1475124 1529388 1561896 1619744 1685856 1720978 1747872 1791222 1822212 1896588 1966832 2039184 2082528 2089759 2212686 2388296 2429616 2528784 2581467 2686833 2733318 2950248 3058776 3123792 3319029 3441956 3582444 3644424 3793176 3933664 4078368 4179518 4425372 4776592 4859232 5057568 5162934 5373666 5466636 5900496 6117552 6247584 6269277 6638058 6883912 7164888 7288848 7586352 7744401 8060499 8359036 8850744 9553184 10325868 10747332 10933272 11800992 12235104 12538554 13276116 13767824 14329776 14577696 14628313 15172704 15488802 16120998 16718072 17701488 18807831 20651736 21494664 21866544 23233203 25077108 26552232 27535648 28659552 29256626 30977604 32241996 33436144 35402976 37615662 41303472 42989328 43733088 43884939 46466406 50154216 53104464 56423493 58513252 61955208 64483992 66872288 75231324 82606944 85978656 87769878 92932812 100308432 106208928 112846986 117026504 123910416 128967984 131654817 150462648 175539756 185865624 200616864 225693972 234053008 247820832 257935968 263309634 300925296 351079512 371731248 394964451 451387944 468106016 526619268 601850592 702159024 743462496 789928902 902775888 1053238536 1404318048 1579857804 1805551776 2106477072 3159715608 4212954144 6319431216 12638862432
• Sum of all divisors σ(n): 45596794320
• Sum of proper divisors (its aliquot sum) s(n): 32957931888
• 12638862432 is an abundant number, because the sum of its proper divisors (32957931888) is greater than itself. Its abundance is 20319069456

Bases of 12638862432

• Binary: 1011110001010101011011110001100000₂
• Hexadecimal: 0x2F155BC60
• Base-36: 5T0UOO0

Squares and roots of 12638862432

• 12638862432 squared (12638862432²) is 159740843575020954624
• 12638862432 cubed (12638862432³) is 2018942546716320917010050285568
• The square root of 12638862432 is 112422.6953599673
• The cube root of 12638862432 is 2329.3566860957

Scales and comparisons

• 12,638,862,432 seconds is equal to 401 years, 45 weeks, 4 days, 3 hours, 7 minutes, 12 seconds.
• To count from 1 to 12,638,862,432 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 12638862432 cubic inches would be around 194.1 feet tall.

Recreational maths with 12638862432

• 12638862432 backwards is 23426883621
• The number of decimal digits it has is: 11
• The sum of 12638862432's digits is 45
• More coming soon!