12138047488

Names of 12138047488

• Cardinal: 12138047488 can be written as Twelve billion, one hundred thirty-eight million, forty-seven thousand, four hundred eighty-eight.

Scientific notation

• Scientific notation: 1.2138047488 × 10¹⁰

Factors of 12138047488

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 193

Divisors of 12138047488

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 4 7 8 14 16 28 32 56 64 83 101 112 128 166 202 224 256 332 404 448 512 581 664 707 808 896 1024 1162 1328 1414 1616 1792 2048 2324 2656 2828 3232 3584 4648 5312 5656 6464 7168 8383 9296 10201 10624 11312 12928 14336 16766 18592 20402 21248 22624 25856 33532 37184 40804 42496 45248 51712 58681 67064 71407 74368 81608 84992 90496 103424 117362 134128 142814 148736 163216 169984 180992 206848 234724 268256 285628 297472 326432 361984 469448 536512 571256 594944 652864 723968 846683 938896 1073024 1142512 1189888 1305728 1447936 1693366 1877792 2146048 2285024 2611456 3386732 3755584 4292096 4570048 5222912 5926781 6773464 7511168 8584192 9140096 10445824 11853562 13546928 15022336 17168384 18280192 20891648 23707124 27093856 30044672 36560384 47414248 54187712 60089344 73120768 94828496 108375424 120178688 146241536 189656992 216750848 379313984 433501696 758627968 867003392 1517255936 1734006784 3034511872 6069023744 12138047488
• Sum of all divisors σ(n): 28352207520
• Sum of proper divisors (its aliquot sum) s(n): 16214160032
• 12138047488 is an abundant number, because the sum of its proper divisors (16214160032) is greater than itself. Its abundance is 4076112544

Bases of 12138047488

• Binary: 1011010011011110111110100000000000₂
• Hexadecimal: 0x2D37BE800
• Base-36: 5KQOHDS

Squares and roots of 12138047488

• 12138047488 squared (12138047488²) is 147332196820943110144
• 12138047488 cubed (12138047488³) is 1788325201523970103874286518272
• The square root of 12138047488 is 110172.8073891193
• The cube root of 12138047488 is 2298.1741961263

Scales and comparisons

• 12,138,047,488 seconds is equal to 385 years, 49 weeks, 3 days, 15 hours, 51 minutes, 28 seconds.
• To count from 1 to 12,138,047,488 would take you about seven hundred seventy-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 12138047488 cubic inches would be around 191.5 feet tall.

Recreational maths with 12138047488

• 12138047488 backwards is 88474083121
• The number of decimal digits it has is: 11
• The sum of 12138047488's digits is 46
• More coming soon!