12499380390

Names of 12499380390

• Cardinal: 12499380390 can be written as Twelve billion, four hundred ninety-nine million, three hundred eighty thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.249938039 × 10¹⁰

Factors of 12499380390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 4342

Divisors of 12499380390

• Number of divisors d(n): 128
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 17 21 30 34 35 42 51 70 85 102 105 119 170 210 238 255 357 510 595 714 1087 1190 1785 2174 3221 3261 3570 5435 6442 6522 7609 9663 10870 15218 16105 16305 18479 19326 22547 22827 32210 32610 36958 38045 45094 45654 48315 54757 55437 67641 76090 92395 96630 109514 110874 112735 114135 129353 135282 164271 184790 225470 228270 258706 273785 277185 328542 338205 383299 388059 547570 554370 646765 676410 766598 776118 821355 1149897 1293530 1642710 1916495 1940295 2299794 3501227 3832990 3880590 5749485 7002454 10503681 11498970 17506135 21007362 24508589 35012270 49017178 52518405 59520859 73525767 105036810 119041718 122542945 147051534 178562577 245085890 297604295 357125154 367628835 416646013 595208590 735257670 833292026 892812885 1249938039 1785625770 2083230065 2499876078 4166460130 6249690195 12499380390
• Sum of all divisors σ(n): 36345397248
• Sum of proper divisors (its aliquot sum) s(n): 23846016858
• 12499380390 is an abundant number, because the sum of its proper divisors (23846016858) is greater than itself. Its abundance is 11346636468

Bases of 12499380390

• Binary: 1011101001000001010110100010100110₂
• Hexadecimal: 0x2E90568A6
• Base-36: 5QPT3MU

Squares and roots of 12499380390

• 12499380390 squared (12499380390²) is 156234510133916552100
• 12499380390 cubed (12499380390³) is 1952834572209132825215153319000
• The square root of 12499380390 is 111800.6278604911
• The cube root of 12499380390 is 2320.7560698413

Scales and comparisons

• 12,499,380,390 seconds is equal to 397 years, 22 weeks, 6 days, 18 hours, 6 minutes, 30 seconds.
• To count from 1 to 12,499,380,390 would take you about seven hundred ninety-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 12499380390 cubic inches would be around 193.4 feet tall.

Recreational maths with 12499380390

• 12499380390 backwards is 09308399421
• The number of decimal digits it has is: 11
• The sum of 12499380390's digits is 48
• More coming soon!