12987148122

Names of 12987148122

• Cardinal: 12987148122 can be written as Twelve billion, nine hundred eighty-seven million, one hundred forty-eight thousand, one hundred twenty-two.

Scientific notation

• Scientific notation: 1.2987148122 × 10¹⁰

Factors of 12987148122

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 72

Divisors of 12987148122

• Number of divisors d(n): 224
• Complete list of divisors:
  1 2 3 6 9 13 18 23 26 27 31 39 46 54 62 69 78 81 93 117 138 162 186 207 234 243 279 299 351 403 414 486 558 598 621 702 713 729 806 837 897 961 1053 1209 1242 1426 1458 1674 1794 1863 1922 2106 2139 2418 2511 2691 2883 3159 3627 3726 4278 5022 5382 5589 5766 6318 6417 7254 7533 8073 8649 9269 9477 10881 11178 12493 12834 15066 16146 16767 17298 18538 18954 19251 21762 22103 22599 24219 24986 25947 27807 29791 32643 33534 37479 38502 44206 45198 48438 51894 55614 57753 59582 65286 66309 72657 74958 77841 83421 89373 97929 112437 115506 132618 145314 155682 166842 173259 178746 195858 198927 217971 224874 233523 250263 268119 287339 293787 337311 346518 387283 397854 435942 467046 500526 519777 536238 574678 587574 596781 674622 685193 700569 750789 774566 804357 862017 1011933 1039554 1161849 1193562 1370386 1401138 1501578 1608714 1724034 1790343 2023866 2055579 2252367 2323698 2413071 2586051 3035799 3485547 3580686 4111158 4504734 4826142 5172102 5371029 6071598 6166737 6757101 6971094 7239213 7758153 8907509 9107397 10456641 10742058 12333474 13514202 14478426 15516306 16113087 17815018 18214794 18500211 20913282 21717639 23274459 26722527 31369923 32226174 37000422 43435278 46548918 53445054 55500633 62739846 69823377 80167581 94109769 111001266 139646754 160335162 166501899 188219538 209470131 240502743 282329307 333003798 418940262 481005486 499505697 564658614 721508229 999011394 1443016458 2164524687 4329049374 6493574061 12987148122
• Sum of all divisors σ(n): 33916087296
• Sum of proper divisors (its aliquot sum) s(n): 20928939174
• 12987148122 is an abundant number, because the sum of its proper divisors (20928939174) is greater than itself. Its abundance is 7941791052

Bases of 12987148122

• Binary: 1100000110000110000010011101011010₂
• Hexadecimal: 0x30618275A
• Base-36: 5YS7NMI

Squares and roots of 12987148122

• 12987148122 squared (12987148122²) is 168666016342768126884
• 12987148122 cubed (12987148122³) is 2190490537391202387342998311848
• The square root of 12987148122 is 113961.1693604449
• The cube root of 12987148122 is 2350.5595843805

Scales and comparisons

• 12,987,148,122 seconds is equal to 412 years, 49 weeks, 3 days, 5 hours, 8 minutes, 42 seconds.
• To count from 1 to 12,987,148,122 would take you about eight hundred twenty-five 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 12987148122 cubic inches would be around 195.9 feet tall.

Recreational maths with 12987148122

• 12987148122 backwards is 22184178921
• The number of decimal digits it has is: 11
• The sum of 12987148122's digits is 45
• More coming soon!