12385388925

Names of 12385388925

• Cardinal: 12385388925 can be written as Twelve billion, three hundred eighty-five million, three hundred eighty-eight thousand, nine hundred twenty-five.

Scientific notation

• Scientific notation: 1.2385388925 × 10¹⁰

Factors of 12385388925

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 157

Divisors of 12385388925

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 7 9 13 15 19 21 25 31 35 39 45 57 63 65 75 79 91 93 95 105 117 133 155 169 171 175 195 217 225 237 247 273 279 285 315 325 395 399 403 455 465 475 507 525 553 585 589 651 665 711 741 775 819 845 855 975 1027 1085 1183 1185 1197 1209 1235 1365 1395 1425 1501 1521 1575 1659 1729 1767 1953 1975 1995 2015 2223 2275 2325 2449 2535 2765 2821 2925 2945 3081 3211 3255 3325 3549 3555 3627 3705 4095 4123 4225 4275 4503 4977 5135 5187 5239 5301 5425 5915 5925 5985 6045 6175 6825 6975 7189 7347 7505 7605 7657 8295 8463 8645 8835 9243 9633 9765 9975 10075 10507 10647 11115 12245 12369 12675 13351 13509 13825 14105 14725 15405 15561 15717 16055 16275 17143 17745 17775 18135 18525 19513 20475 20615 21567 22041 22477 22515 22971 24885 25389 25675 25935 26195 26505 28899 29575 29925 30225 31521 31837 35945 36673 36735 37107 37525 38025 38285 40053 41475 42315 43225 44175 46215 46531 47151 48165 48825 51429 52535 53235 53599 55575 58539 61225 61845 64701 66755 67431 67545 68913 70525 77025 77805 78585 80275 85715 88725 90675 93457 94563 95511 97565 99541 103075 107835 110019 110205 112385 112575 114855 120159 124425 126945 129675 130975 132525 136591 139593 144495 154287 157605 159185 160797 175617 179725 183365 183675 185535 191425 200265 202293 211575 222859 231075 232655 235755 240825 253669 257145 262675 266175 267995 280371 286533 292695 298623 309225 323505 325717 330057 333775 337155 337725 344565 389025 392925 409773 413881 418779 428575 467285 472815 477555 482391 487825 497705 539175 550095 551025 561925 574275 600795 604903 634725 668577 682955 696787 697965 722475 761007 771435 788025 795925 803985 841113 878085 895869 916825 927675 977151 1001325 1011465 1114295 1163275 1178775 1229319 1241643 1268345 1285725 1339975 1401855 1432665 1463475 1493115 1617525 1628585 1650285 1685775 1722825 1775683 1814709 2005731 2048865 2069405 2090361 2093895 2283021 2336425 2364075 2387775 2411955 2488525 2750475 2897167 2931453 3003975 3024515 3342885 3414775 3483935 3489825 3724929 3805035 3857175 4019925 4205565 4234321 4390425 4479345 4885755 5057325 5327049 5444127 5571475 6146595 6208215 6271083 6341725 7009275 7163325 7465575 7863739 8142925 8251425 8691501 8878415 9073545 10028655 10244325 10347025 10451805 10469475 11415105 12059775 12702963 14485835 14657265 15122575 15981147 16714425 17419675 18624645 19025175 21027825 21171605 22396725 23591217 24428775 26074503 26635245 27220635 30732975 31041075 31355415 38108889 39318695 43457505 44392075 45367725 50143275 52259025 55046173 57075525 63514815 70773651 72429175 73286325 79905735 93123225 105858025 117956085 130372515 133176225 136103175 156777075 165138519 190544445 196593475 217287525 275230865 317574075 353868255 399528675 495415557 589780425 651862575 825692595 952722225 1376154325 1769341275 2477077785 4128462975 12385388925
• Sum of all divisors σ(n): 30207590400
• Sum of proper divisors (its aliquot sum) s(n): 17822201475
• 12385388925 is an abundant number, because the sum of its proper divisors (17822201475) is greater than itself. Its abundance is 5436812550

Bases of 12385388925

• Binary: 1011100010001110100000100101111101₂
• Hexadecimal: 0x2E23A097D
• Base-36: 5OTXV99

Squares and roots of 12385388925

• 12385388925 squared (12385388925²) is 153397858823512655625
• 12385388925 cubed (12385388925³) is 1899892141791447174575213953125
• The square root of 12385388925 is 111289.6622557549
• The cube root of 12385388925 is 2313.6795941511

Scales and comparisons

• 12,385,388,925 seconds is equal to 393 years, 42 weeks, 3 days, 9 hours, 48 minutes, 45 seconds.
• To count from 1 to 12,385,388,925 would take you about seven hundred eighty-seven 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 12385388925 cubic inches would be around 192.8 feet tall.

Recreational maths with 12385388925

• 12385388925 backwards is 52988358321
• The number of decimal digits it has is: 11
• The sum of 12385388925's digits is 54
• More coming soon!