12940842915

Names of 12940842915

• Cardinal: 12940842915 can be written as Twelve billion, nine hundred forty million, eight hundred forty-two thousand, nine hundred fifteen.

Scientific notation

• Scientific notation: 1.2940842915 × 10¹⁰

Factors of 12940842915

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 80

Divisors of 12940842915

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 7 9 11 13 15 21 33 35 39 41 45 49 55 63 65 77 91 99 105 117 121 123 143 147 165 169 195 205 231 245 273 287 315 343 363 369 385 429 441 451 455 495 507 533 539 585 605 615 637 693 715 735 819 845 847 861 1001 1029 1089 1155 1183 1287 1353 1365 1435 1521 1573 1599 1617 1715 1815 1845 1859 1911 2009 2145 2205 2255 2535 2541 2583 2665 2695 3003 3087 3157 3185 3465 3549 3731 3773 4059 4095 4235 4305 4459 4719 4797 4851 4961 5005 5145 5445 5577 5733 5863 5915 5929 6027 6435 6765 6929 7007 7605 7623 7865 7995 8085 8281 9009 9295 9471 9555 10045 10647 11011 11193 11319 12705 12915 13013 13377 14063 14157 14883 15015 15435 15785 16731 17589 17745 17787 18081 18655 18865 20295 20449 20787 21021 22099 22295 23595 23985 24255 24805 24843 26117 27885 28413 28665 29315 29645 30135 33033 33579 33957 34645 34727 35035 38115 39039 40131 41041 41405 41503 42189 44649 45045 47355 48503 49049 52767 53235 53361 55055 55965 56595 57967 61347 62361 63063 64493 65065 66297 66885 70315 70785 74415 74529 76219 77077 78351 83655 87945 88935 90405 91091 99099 102245 103935 104181 105105 110495 117117 123123 124215 124509 126567 130585 142065 143143 145509 147147 154693 165165 167895 169785 173635 173901 182819 184041 193479 195195 198891 200655 205205 207515 210945 223245 228657 231231 235053 242515 243089 245245 263835 266805 273273 287287 289835 306735 311805 312543 315315 322465 331485 339521 369369 372645 373527 381095 385385 391755 429429 436527 441441 451451 455455 464079 495495 520905 521703 533533 539539 548457 580437 585585 615615 622545 632835 637637 685971 693693 715715 727545 729267 735735 773465 819819 838409 861861 869505 914095 920205 967395 994455 1002001 1018563 1143285 1156155 1175265 1215445 1288287 1354353 1366365 1392237 1436435 1562715 1600599 1618617 1645371 1697605 1701623 1846845 1867635 1912911 2011009 2147145 2182635 2187801 2207205 2257255 2320395 2376647 2515227 2585583 2608515 2667665 2697695 2742285 2902185 3006003 3055689 3160157 3188185 3429855 3468465 3646335 3734731 4063059 4099095 4192045 4309305 4801797 4855851 5010005 5092815 5104869 5738733 5868863 6033027 6441435 6771765 6961185 7014007 7129941 7545681 8002995 8093085 8226855 8508115 9018009 9480471 9564555 10055045 10939005 11204193 11883235 12576135 12927915 15030015 15278445 15314607 15800785 17606589 18099081 18673655 20315295 21042021 21389823 22121099 24008985 24279255 25524345 26143117 28441413 28693665 29344315 30165135 33612579 35070035 35649705 37728405 41082041 45090045 47402355 52819767 56020965 63126063 66363297 76573035 78429351 88032945 90495405 105210105 106949115 110605495 123246123 130715585 142207065 168062895 199089891 205410205 235288053 264098835 287574287 315630315 331816485 369738369 392146755 616230615 862722861 995449455 1176440265 1437871435 1848691845 2588168583 4313614305 12940842915
• Sum of all divisors σ(n): 31893825600
• Sum of proper divisors (its aliquot sum) s(n): 18952982685
• 12940842915 is an abundant number, because the sum of its proper divisors (18952982685) is greater than itself. Its abundance is 6012139770

Bases of 12940842915

• Binary: 1100000011010101011001011110100011₂
• Hexadecimal: 0x3035597A3
• Base-36: 5Y0N6AR

Squares and roots of 12940842915

• 12940842915 squared (12940842915²) is 167465415350705697225
• 12940842915 cubed (12940842915³) is 2167143633748712062184276410875
• The square root of 12940842915 is 113757.8257308041
• The cube root of 12940842915 is 2347.7626458813

Scales and comparisons

• 12,940,842,915 seconds is equal to 411 years, 24 weeks, 6 days, 6 hours, 35 minutes, 15 seconds.
• To count from 1 to 12,940,842,915 would take you about eight hundred twenty-two 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 12940842915 cubic inches would be around 195.6 feet tall.

Recreational maths with 12940842915

• 12940842915 backwards is 51924804921
• 12940842915 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12940842915's digits is 45
• More coming soon!