12687949824

Names of 12687949824

• Cardinal: 12687949824 can be written as Twelve billion, six hundred eighty-seven million, nine hundred forty-nine thousand, eight hundred twenty-four.

Scientific notation

• Scientific notation: 1.2687949824 × 10¹⁰

Factors of 12687949824

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 804

Divisors of 12687949824

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 11 12 16 22 24 31 32 33 44 48 62 64 66 88 93 96 124 128 132 176 186 192 248 256 264 341 352 372 384 496 512 528 682 704 744 757 768 992 1023 1024 1056 1364 1408 1488 1514 1536 1984 2046 2048 2112 2271 2728 2816 2976 3028 3072 3968 4092 4096 4224 4542 5456 5632 5952 6056 6144 7936 8184 8192 8327 8448 9084 10912 11264 11904 12112 12288 15872 16368 16384 16654 16896 18168 21824 22528 23467 23808 24224 24576 24981 31744 32736 33308 33792 36336 43648 45056 46934 47616 48448 49152 49962 63488 65472 66616 67584 70401 72672 87296 90112 93868 95232 96896 99924 126976 130944 133232 135168 140802 145344 174592 180224 187736 190464 193792 199848 253952 258137 261888 266464 270336 281604 290688 349184 375472 380928 387584 399696 507904 516274 523776 532928 540672 563208 581376 698368 750944 761856 774411 775168 799392 1032548 1047552 1065856 1126416 1162752 1396736 1501888 1523712 1548822 1550336 1598784 2065096 2095104 2131712 2252832 2325504 2793472 3003776 3097644 3100672 3197568 4130192 4190208 4263424 4505664 4651008 5586944 6007552 6195288 6201344 6395136 8260384 8380416 8526848 9011328 9302016 12015104 12390576 12402688 12790272 16520768 16760832 17053696 18022656 18604032 24030208 24781152 25580544 33041536 34107392 36045312 37208064 48060416 49562304 51161088 66083072 68214784 72090624 96120832 99124608 102322176 132166144 136429568 144181248 192241664 198249216 204644352 264332288 288362496 384483328 396498432 409288704 528664576 576724992 792996864 1057329152 1153449984 1585993728 2114658304 3171987456 4229316608 6343974912 12687949824
• Sum of all divisors σ(n): 38150224896
• Sum of proper divisors (its aliquot sum) s(n): 25462275072
• 12687949824 is an abundant number, because the sum of its proper divisors (25462275072) is greater than itself. Its abundance is 12774325248

Bases of 12687949824

• Binary: 1011110100010000101100000000000000₂
• Hexadecimal: 0x2F442C000
• Base-36: 5TU2SQO

Squares and roots of 12687949824

• 12687949824 squared (12687949824²) is 160984070736341630976
• 12687949824 cubed (12687949824³) is 2042557811965969347145812148224
• The square root of 12687949824 is 112640.7999971591
• The cube root of 12687949824 is 2332.3684111089

Scales and comparisons

• 12,687,949,824 seconds is equal to 403 years, 22 weeks, 5 days, 6 hours, 30 minutes, 24 seconds.
• To count from 1 to 12,687,949,824 would take you about eight hundred six 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 12687949824 cubic inches would be around 194.4 feet tall.

Recreational maths with 12687949824

• 12687949824 backwards is 42894978621
• The number of decimal digits it has is: 11
• The sum of 12687949824's digits is 60
• More coming soon!