13437660645

Names of 13437660645

• Cardinal: 13437660645 can be written as Thirteen billion, four hundred thirty-seven million, six hundred sixty thousand, six hundred forty-five.

Scientific notation

• Scientific notation: 1.3437660645 × 10¹⁰

Factors of 13437660645

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 132

Divisors of 13437660645

• Number of divisors d(n): 128
• Complete list of divisors:
  1 3 5 9 15 23 27 45 69 81 101 115 135 207 243 303 345 405 505 529 621 729 909 1035 1215 1515 1587 1863 2187 2323 2645 2727 3105 3645 4545 4761 5589 6969 7935 8181 9315 10935 11615 12167 13635 14283 16767 20907 23805 24543 27945 34845 36501 40905 42849 50301 53429 60835 62721 71415 73629 83835 104535 109503 122715 128547 160287 182505 188163 214245 220887 251505 267145 313605 328509 368145 385641 480861 547515 564489 642735 801435 940815 985527 1104435 1156923 1228867 1442583 1642545 1693467 1928205 2404305 2822445 2956581 3686601 4327749 4927635 5080401 5784615 6144335 7212915 8467335 8869743 11059803 12983247 14782905 18433005 21638745 25402005 26609229 33179409 38949741 44348715 55299015 64916235 99538227 116849223 133046145 165897045 194748705 298614681 497691135 584246115 895844043 1493073405 2687532129 4479220215 13437660645
• Sum of all divisors σ(n): 25533619200
• Sum of proper divisors (its aliquot sum) s(n): 12095958555
• 13437660645 is a deficient number, because the sum of its proper divisors (12095958555) is less than itself. Its deficiency is 1341702090

Bases of 13437660645

• Binary: 1100100000111100100110110111100101₂
• Hexadecimal: 0x320F26DE5
• Base-36: 668FPB9

Squares and roots of 13437660645

• 13437660645 squared (13437660645²) is 180570723610181816025
• 13437660645 cubed (13437660645³) is 2426448106295712510493772836125
• The square root of 13437660645 is 115920.9241034595
• The cube root of 13437660645 is 2377.4308272325

Scales and comparisons

• 13,437,660,645 seconds is equal to 427 years, 14 weeks, 2 days, 11 hours, 30 minutes, 45 seconds.
• To count from 1 to 13,437,660,645 would take you about eight hundred fifty-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 13437660645 cubic inches would be around 198.1 feet tall.

Recreational maths with 13437660645

• 13437660645 backwards is 54606673431
• 13437660645 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 13437660645's digits is 45
• More coming soon!