12440681838

Names of 12440681838

• Cardinal: 12440681838 can be written as Twelve billion, four hundred forty million, six hundred eighty-one thousand, eight hundred thirty-eight.

Scientific notation

• Scientific notation: 1.2440681838 × 10¹⁰

Factors of 12440681838

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 177

Divisors of 12440681838

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 9 13 17 18 26 27 34 39 51 53 54 78 89 102 106 117 153 159 169 178 221 234 267 289 306 318 338 351 442 459 477 507 534 578 663 689 702 801 867 901 918 954 1014 1157 1326 1378 1431 1513 1521 1602 1734 1802 1989 2067 2314 2403 2601 2703 2862 2873 3026 3042 3471 3757 3978 4134 4539 4563 4717 4806 5202 5406 5746 5967 6201 6942 7514 7803 8109 8619 8957 9078 9126 9434 10413 11271 11713 11934 12402 13617 14151 15041 15317 15606 16218 17238 17914 18603 19669 20826 22542 23426 24327 25721 25857 26871 27234 28302 30082 30634 31239 33813 35139 37206 39338 40851 42453 45123 45951 48654 48841 51442 51714 53742 59007 61321 62478 67626 70278 77163 77571 80189 80613 81702 84906 90246 91902 97682 101439 105417 118014 122642 127359 135369 137853 146523 152269 154326 155142 160378 161226 177021 183963 199121 202878 210834 231489 240567 241839 254718 255697 270738 275706 293046 304538 316251 334373 354042 367926 398242 406107 413559 439569 456807 462978 481134 483678 511394 531063 551889 597363 632502 668746 694467 721701 767091 797173 812214 827118 879138 913614 1003119 1042457 1062126 1103778 1194726 1318707 1363213 1370421 1388934 1443402 1534182 1594346 1655667 1792089 2006238 2084914 2165103 2301273 2391519 2588573 2637414 2726426 2740842 3009357 3127371 3311334 3584178 4089639 4111263 4330206 4346849 4602546 4783038 5177146 5376267 6018714 6254742 6903819 7174557 7765719 8179278 8222526 8693698 9028071 9382113 10752534 12268917 13040547 13551941 13807638 14349114 15531438 17721769 18056142 18764226 21523671 23297157 24537834 26081094 27103882 28146339 35443538 36806751 39121641 40655823 43047342 46594314 53165307 56292678 69891471 73613502 78243282 81311646 106330614 117364923 121967469 139782942 159495921 230382997 234729846 243934938 318991842 365902407 460765994 478487763 691148991 731804814 956975526 1382297982 2073446973 4146893946 6220340919 12440681838
• Sum of all divisors σ(n): 32764759200
• Sum of proper divisors (its aliquot sum) s(n): 20324077362
• 12440681838 is an abundant number, because the sum of its proper divisors (20324077362) is greater than itself. Its abundance is 7883395524

Bases of 12440681838

• Binary: 1011100101100001011011110101101110₂
• Hexadecimal: 0x2E585BD6E
• Base-36: 5PQUZJI

Squares and roots of 12440681838

• 12440681838 squared (12440681838²) is 154770564594343058244
• 12440681838 cubed (12440681838³) is 1925451352005849522237506972472
• The square root of 12440681838 is 111537.8045238475
• The cube root of 12440681838 is 2317.1175209013

Scales and comparisons

• 12,440,681,838 seconds is equal to 395 years, 29 weeks, 6 days, 8 hours, 57 minutes, 18 seconds.
• To count from 1 to 12,440,681,838 would take you about seven hundred ninety-one 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 12440681838 cubic inches would be around 193.1 feet tall.

Recreational maths with 12440681838

• 12440681838 backwards is 83818604421
• The number of decimal digits it has is: 11
• The sum of 12440681838's digits is 45
• More coming soon!