12521812842

Names of 12521812842

• Cardinal: 12521812842 can be written as Twelve billion, five hundred twenty-one million, eight hundred twelve thousand, eight hundred forty-two.

Scientific notation

• Scientific notation: 1.2521812842 × 10¹⁰

Factors of 12521812842

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 40

Divisors of 12521812842

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 6 7 9 11 14 17 18 21 22 27 33 34 42 51 54 63 66 77 81 99 102 119 126 153 154 162 187 189 198 231 238 243 297 306 357 374 378 459 462 486 561 567 594 693 714 729 891 918 1071 1122 1134 1309 1377 1386 1458 1683 1701 1782 2079 2142 2187 2618 2673 2754 3213 3366 3402 3927 4131 4158 4374 5049 5103 5346 6237 6426 6561 7854 8019 8262 9639 10098 10206 11781 12393 12474 13122 15147 15309 16038 18711 19278 19683 23562 24057 24786 28917 30294 30618 35343 37179 37422 39366 45441 45927 48114 56133 57834 59049 70686 72171 74358 86751 90882 91854 106029 111537 112266 118098 136323 137781 144342 168399 173502 177147 212058 216513 223074 260253 272646 275562 318087 334611 336798 354294 408969 413343 433026 505197 520506 531441 636174 649539 669222 780759 817938 826686 954261 1003833 1010394 1062882 1226907 1240029 1299078 1515591 1561518 1594323 1908522 1948617 2007666 2342277 2453814 2480058 2862783 3011499 3031182 3188646 3680721 3720087 3897234 4546773 4684554 4782969 5725566 5845851 6022998 7026831 7361442 7440174 8588349 9034497 9093546 9565938 11042163 11160261 11691702 13640319 14053662 17176698 17537553 18068994 21080493 22084326 22320522 25765047 27103491 27280638 33126489 33480783 35075106 40920957 42160986 51530094 52612659 54206982 63241479 66252978 66961566 77295141 81310473 81841914 99379467 105225318 122762871 126482958 154590282 162620946 189724437 198758934 231885423 245525742 298138401 368288613 379448874 463770846 569173311 596276802 695656269 736577226 894415203 1138346622 1391312538 1788830406 2086968807 4173937614 6260906421 12521812842
• Sum of all divisors σ(n): 37192364352
• Sum of proper divisors (its aliquot sum) s(n): 24670551510
• 12521812842 is an abundant number, because the sum of its proper divisors (24670551510) is greater than itself. Its abundance is 12148738668

Bases of 12521812842

• Binary: 1011101010010110111011001101101010₂
• Hexadecimal: 0x2EA5BB36A
• Base-36: 5R35WMI

Squares and roots of 12521812842

• 12521812842 squared (12521812842²) is 156795796850076116964
• 12521812842 cubed (12521812842³) is 1963367622568906270077309251688
• The square root of 12521812842 is 111900.9063502169
• The cube root of 12521812842 is 2322.1435822517

Scales and comparisons

• 12,521,812,842 seconds is equal to 398 years, 8 weeks, 9 hours, 20 minutes, 42 seconds.
• To count from 1 to 12,521,812,842 would take you about seven hundred ninety-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 12521812842 cubic inches would be around 193.5 feet tall.

Recreational maths with 12521812842

• 12521812842 backwards is 24821812521
• The number of decimal digits it has is: 11
• The sum of 12521812842's digits is 36
• More coming soon!