12795421207920

Names of 12795421207920

• Cardinal: 12795421207920 can be written as Twelve trillion, seven hundred ninety-five billion, four hundred twenty-one million, two hundred seven thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.279542120792 × 10¹³

Factors of 12795421207920

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 147286

Divisors of 12795421207920

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 13 15 16 17 20 24 26 30 34 39 40 48 51 52 60 65 68 78 80 85 102 104 120 130 136 156 170 195 204 208 221 240 255 260 272 312 340 390 408 442 510 520 624 663 680 780 816 884 1020 1040 1105 1326 1360 1560 1657 1768 2040 2210 2652 3120 3314 3315 3536 4080 4420 4971 5304 6628 6630 8285 8840 9942 10608 13256 13260 16570 17680 19884 21541 24855 26512 26520 28169 33140 39768 43082 49710 53040 56338 64623 66280 79536 84507 86164 99420 107705 112676 129246 132560 140845 145589 169014 172328 198840 215410 225352 258492 281690 291178 323115 338028 344656 366197 397680 422535 430820 436767 450704 516984 563380 582356 646230 676056 727945 732394 845070 861640 873534 1033968 1098591 1126760 1164712 1292460 1352112 1455890 1464788 1690140 1723280 1747068 1830985 1892657 2183835 2197182 2253520 2329424 2475013 2584920 2911780 2929576 3380280 3494136 3661970 3785314 4367670 4394364 4950026 5169840 5492955 5677971 5823560 5859152 6760560 6988272 7323940 7425039 7570628 8735340 8788728 9463285 9900052 10985910 11355942 11647120 12375065 14647880 14850078 15141256 17470680 17577456 18926570 19800104 21971820 22711884 24750130 28389855 29295760 29700156 30282512 32175169 34941360 37125195 37853140 39600208 43943640 45423768 49500260 56779710 59400312 64350338 74250390 75706280 87887280 90847536 96525507 99000520 113559420 118800624 128700676 148500780 151412560 160875845 193051014 198001040 227118840 241240973 257401352 297001560 321751690 386102028 454237680 482481946 482627535 514802704 594003120 643503380 723722919 772204056 964963892 965255070 1206204865 1287006760 1447445838 1544408112 1929927784 1930510140 2412409730 2574013520 2894891676 3136132649 3618614595 3859855568 3861020280 4101096541 4824819460 5789783352 6272265298 7237229190 7722040560 8202193082 9408397947 9649638920 11579566704 12303289623 12544530596 14474458380 15680663245 16404386164 18816795894 19299277840 20505482705 24606579246 25089061192 28948916760 31361326490 32808772328 37633591788 41010965410 47041989735 49213158492 50178122384 53314255033 57897833520 61516448115 62722652980 65617544656 75267183576 82021930820 94083979470 98426316984 106628510066 123032896230 125445305960 150534367152 159942765099 164043861640 188167958940 196852633968 213257020132 246065792460 250890611920 266571275165 319885530198 328087723280 376335917880 426514040264 492131584920 533142550330 639771060396 752671835760 799713825495 853028080528 984263169840 1066285100660 1279542120792 1599427650990 2132570201320 2559084241584 3198855301980 4265140402640 6397710603960 12795421207920
• Sum of all divisors σ(n): 45257394591360
• Sum of proper divisors (its aliquot sum) s(n): 32461973383440
• 12795421207920 is an abundant number, because the sum of its proper divisors (32461973383440) is greater than itself. Its abundance is 19666552175520

Bases of 12795421207920

• Binary: 10111010001100101010100010010010110101110000₂
• Hexadecimal: 0xBA32A892D70
• Base-36: 4JA4VF3AO

Squares and roots of 12795421207920

• 12795421207920 squared (12795421207920²) is 163722803888088911870726400
• 12795421207920 cubed (12795421207920³) is 2094902237089779897229288419975833088000
• The square root of 12795421207920 is 3577068.8011163553
• The cube root of 12795421207920 is 23389.3523086171

Scales and comparisons

• 12,795,421,207,920 seconds is equal to 406,854 years, 42 weeks, 2 days, 20 hours, 52 minutes.
• To count from 1 to 12,795,421,207,920 would take you about one million, seventeen thousand, one hundred thirty-seven 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 12795421207920 cubic inches would be around 1949.1 feet tall.

Recreational maths with 12795421207920

• 12795421207920 backwards is 02970212459721
• 12795421207920 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 12795421207920's digits is 51
• More coming soon!