15421991936

Names of 15421991936

• Cardinal: 15421991936 can be written as Fifteen billion, four hundred twenty-one million, nine hundred ninety-one thousand, nine hundred thirty-six.

Scientific notation

• Scientific notation: 1.5421991936 × 10¹⁰

Factors of 15421991936

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 219

Divisors of 15421991936

• Number of divisors d(n): 132
• Complete list of divisors:
  1 2 4 8 13 16 26 32 47 52 64 94 104 128 157 188 208 256 314 376 416 512 611 628 752 832 1024 1222 1256 1504 1664 2041 2444 2512 3008 3328 4082 4888 5024 6016 6656 7379 8164 9776 10048 12032 13312 14758 16328 19552 20096 24064 24649 29516 32656 39104 40192 48128 49298 59032 65312 78208 80384 95927 98596 118064 130624 156416 160768 191854 197192 236128 261248 312832 320437 383708 394384 472256 522496 625664 640874 767416 788768 944512 1044992 1158503 1281748 1534832 1577536 1889024 2089984 2317006 2563496 3069664 3155072 3778048 4634012 5126992 6139328 6310144 7556096 9268024 10253984 12278656 12620288 15060539 18536048 20507968 24557312 25240576 30121078 37072096 41015936 49114624 60242156 74144192 82031872 98229248 120484312 148288384 164063744 240968624 296576768 328127488 481937248 593153536 963874496 1186307072 1927748992 3855497984 7710995968 15421991936
• Sum of all divisors σ(n): 34124112288
• Sum of proper divisors (its aliquot sum) s(n): 18702120352
• 15421991936 is an abundant number, because the sum of its proper divisors (18702120352) is greater than itself. Its abundance is 3280128416

Bases of 15421991936

• Binary: 1110010111001110001110110000000000₂
• Hexadecimal: 0x39738EC00
• Base-36: 731UT4W

Squares and roots of 15421991936

• 15421991936 squared (15421991936²) is 237837835274049028096
• 15421991936 cubed (15421991936³) is 3667933177672080461365149433856
• The square root of 15421991936 is 124185.3128836095
• The cube root of 15421991936 is 2489.1256714259

Scales and comparisons

• 15,421,991,936 seconds is equal to 490 years, 19 weeks, 2 days, 6 hours, 38 minutes, 56 seconds.
• To count from 1 to 15,421,991,936 would take you about nine hundred eighty 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 15421991936 cubic inches would be around 207.4 feet tall.

Recreational maths with 15421991936

• 15421991936 backwards is 63919912451
• The number of decimal digits it has is: 11
• The sum of 15421991936's digits is 50
• More coming soon!