129490038912

Names of 129490038912

• Cardinal: 129490038912 can be written as One hundred twenty-nine billion, four hundred ninety million, thirty-eight thousand, nine hundred twelve.

Scientific notation

• Scientific notation: 1.29490038912 × 10¹¹

Factors of 129490038912

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 1246

Divisors of 129490038912

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 12 13 16 24 26 32 39 41 48 52 64 78 82 96 104 123 128 156 164 169 192 208 246 312 328 338 384 416 492 507 533 624 656 676 832 984 1014 1066 1187 1248 1312 1352 1599 1664 1681 1968 2028 2132 2374 2496 2624 2704 3198 3362 3561 3936 4056 4264 4748 4992 5043 5248 5408 6396 6724 6929 7122 7872 8112 8528 9496 10086 10816 12792 13448 13858 14244 15431 15744 16224 17056 18992 20172 20787 21632 21853 25584 26896 27716 28488 30862 32448 34112 37984 40344 41574 43706 46293 48667 51168 53792 55432 56976 61724 64896 65559 68224 75968 80688 83148 87412 92586 97334 102336 107584 110864 113952 123448 131118 146001 151936 161376 166296 174824 185172 194668 200603 204672 215168 221728 227904 246896 262236 284089 292002 322752 332592 349648 370344 389336 401206 443456 455808 493792 524472 568178 584004 601809 632671 645504 665184 699296 740688 778672 802412 852267 886912 987584 1048944 1136356 1168008 1203618 1265342 1330368 1398592 1481376 1557344 1604824 1704534 1898013 1975168 1995347 2097888 2272712 2336016 2407236 2530684 2660736 2797184 2962752 3114688 3209648 3409068 3796026 3990694 4195776 4545424 4672032 4814472 5061368 5925504 5986041 6229376 6419296 6818136 7592052 7981388 8224723 8391552 9090848 9344064 9628944 10122736 11972082 12838592 13636272 15184104 15962776 16449446 18181696 18688128 19257888 20245472 23944164 24674169 25677184 25939511 27272544 30368208 31925552 32898892 36363392 38515776 40490944 47888328 49348338 51879022 54545088 60736416 63851104 65797784 77031552 77818533 80981888 95776656 98696676 103758044 109090176 121472832 127702208 131595568 155637066 191553312 197393352 207516088 242945664 255404416 263191136 311274132 337213643 383106624 394786704 415032176 526382272 622548264 674427286 766213248 789573408 830064352 1011640929 1052764544 1245096528 1348854572 1579146816 1660128704 2023281858 2490193056 2697709144 3158293632 3320257408 4046563716 4980386112 5395418288 8093127432 9960772224 10790836576 16186254864 21581673152 32372509728 43163346304 64745019456 129490038912
• Sum of all divisors σ(n): 382078833840
• Sum of proper divisors (its aliquot sum) s(n): 252588794928
• 129490038912 is an abundant number, because the sum of its proper divisors (252588794928) is greater than itself. Its abundance is 123098756016

Bases of 129490038912

• Binary: 1111000100110001101010011000010000000₂
• Hexadecimal: 0x1E26353080
• Base-36: 1NHJ0XHC

Squares and roots of 129490038912

• 129490038912 squared (129490038912²) is 16767670177431274143744
• 129490038912 cubed (129490038912³) is 2171246263739157633079150041366528
• The square root of 129490038912 is 359847.2438577237
• The cube root of 129490038912 is 5059.1643403267

Scales and comparisons

• 129,490,038,912 seconds is equal to 4,117 years, 19 weeks, 6 days, 7 hours, 15 minutes, 12 seconds.
• To count from 1 to 129,490,038,912 would take you about eight thousand, two hundred thirty-four 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 129490038912 cubic inches would be around 421.6 feet tall.

Recreational maths with 129490038912

• 129490038912 backwards is 219830094921
• 129490038912 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 129490038912's digits is 48
• More coming soon!