19378431688

Names of 19378431688

• Cardinal: 19378431688 can be written as Nineteen billion, three hundred seventy-eight million, four hundred thirty-one thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.9378431688 × 10¹⁰

Factors of 19378431688

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 525

Divisors of 19378431688

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 7 8 11 14 22 28 44 56 61 77 88 121 122 154 173 242 244 271 308 346 427 484 488 542 616 671 692 847 854 968 1084 1211 1342 1384 1694 1708 1897 1903 2168 2422 2684 2981 3388 3416 3794 3806 4697 4844 5368 5962 6776 7381 7588 7612 9394 9688 10553 11924 13321 14762 15176 15224 16531 18788 20867 20933 21106 23848 26642 29524 32791 33062 37576 41734 41866 42212 46883 51667 53284 59048 65582 66124 73871 83468 83732 84424 93766 103334 106568 115717 116083 131164 132248 146531 147742 166936 167464 181841 187532 206668 229537 231434 232166 262328 293062 295484 328181 363682 375064 413336 459074 462868 464332 515713 586124 590968 656362 727364 812581 918148 925736 928664 1031426 1172248 1272887 1276913 1312724 1454728 1625162 1836296 2000251 2062852 2545774 2553826 2625448 2859863 3250324 3609991 4000502 4125704 5091548 5107652 5672843 5719726 6500648 7219982 8001004 8938391 10183096 10215304 11345686 11439452 14001757 14439964 16002008 17876782 20019041 22691372 22878904 28003514 28879928 31458493 35753564 39709901 40038082 45382744 56007028 62916986 71507128 79419802 80076164 112014056 125833972 158839604 160152328 220209451 251667944 317679208 346043423 440418902 692086846 880837804 1384173692 1761675608 2422303961 2768347384 4844607922 9689215844 19378431688
• Sum of all divisors σ(n): 46832002560
• Sum of proper divisors (its aliquot sum) s(n): 27453570872
• 19378431688 is an abundant number, because the sum of its proper divisors (27453570872) is greater than itself. Its abundance is 8075139184

Bases of 19378431688

• Binary: 10010000011000010110110011011001000₂
• Hexadecimal: 0x4830B66C8
• Base-36: 8WHF1L4

Squares and roots of 19378431688

• 19378431688 squared (19378431688²) is 375523614686482529344
• 19378431688 cubed (19378431688³) is 7277058714432835231898159452672
• The square root of 19378431688 is 139206.4355121559
• The cube root of 19378431688 is 2686.0012397085

Scales and comparisons

• 19,378,431,688 seconds is equal to 616 years, 9 weeks, 9 hours, 41 minutes, 28 seconds.
• To count from 1 to 19,378,431,688 would take you about one thousand, two hundred thirty-two 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 19378431688 cubic inches would be around 223.8 feet tall.

Recreational maths with 19378431688

• 19378431688 backwards is 88613487391
• The number of decimal digits it has is: 11
• The sum of 19378431688's digits is 58
• More coming soon!