12901868980

Names of 12901868980

• Cardinal: 12901868980 can be written as Twelve billion, nine hundred one million, eight hundred sixty-eight thousand, nine hundred eighty.

Scientific notation

• Scientific notation: 1.290186898 × 10¹⁰

Factors of 12901868980

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 684

Divisors of 12901868980

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 11 13 14 20 22 26 28 35 44 52 55 65 70 77 89 91 110 130 140 143 154 169 178 182 220 260 286 308 338 356 364 385 445 455 557 572 623 676 715 770 845 890 910 979 1001 1114 1157 1183 1246 1430 1540 1690 1780 1820 1859 1958 2002 2228 2314 2366 2492 2785 2860 3115 3380 3718 3899 3916 4004 4628 4732 4895 5005 5570 5785 5915 6127 6230 6853 7241 7436 7798 8099 9295 9790 10010 11140 11570 11830 12254 12460 12727 13013 13706 14482 15041 15596 16198 18590 19495 19580 20020 23140 23660 24508 25454 26026 27412 28964 30082 30635 32396 34265 36205 37180 38990 40495 42889 49573 50687 50908 52052 60164 61270 63635 65065 68530 72410 75205 77980 79651 80990 85778 89089 94133 99146 101374 105287 122540 127270 130130 137060 144820 150410 159302 161980 165451 171556 178178 188266 198292 202748 210574 214445 247865 253435 254540 260260 300820 318604 330902 347011 356356 376532 398255 421148 428890 445445 470665 495730 506870 526435 545303 557557 644449 658931 661804 694022 796510 827255 857780 890890 941330 991460 1013740 1035463 1052870 1090606 1115114 1158157 1288898 1317862 1388044 1593020 1654510 1735055 1781780 1882660 2070926 2105740 2181212 2230228 2316314 2577796 2635724 2726515 2787785 3222245 3294655 3309020 3470110 3817121 4141852 4511143 4632628 5177315 5453030 5575570 5790785 6444490 6589310 6940220 7088939 7248241 7634242 8377837 9022286 10354630 10906060 11151140 11581570 12888980 13178620 14177878 14496482 15268484 16755674 18044572 19085605 20709260 22555715 23163140 28355756 28992964 33511348 35444695 36241205 38171210 41889185 45111430 49622573 58644859 70889390 72482410 76342420 83778370 90222860 92156207 99245146 117289718 141778780 144964820 167556740 184312414 198490292 234579436 248112865 293224295 368624828 460781035 496225730 586448590 645093449 921562070 992451460 1172897180 1290186898 1843124140 2580373796 3225467245 6450934490 12901868980
• Sum of all divisors σ(n): 37055128320
• Sum of proper divisors (its aliquot sum) s(n): 24153259340
• 12901868980 is an abundant number, because the sum of its proper divisors (24153259340) is greater than itself. Its abundance is 11251390360

Bases of 12901868980

• Binary: 1100000001000000101110010110110100₂
• Hexadecimal: 0x30102E5B4
• Base-36: 5XDFTTG

Squares and roots of 12901868980

• 12901868980 squared (12901868980²) is 166458223177086240400
• 12901868980 cubed (12901868980³) is 2147622186074366011801582792000
• The square root of 12901868980 is 113586.3943436891
• The cube root of 12901868980 is 2345.4033569805

Scales and comparisons

• 12,901,868,980 seconds is equal to 410 years, 12 weeks, 3 days, 4 hours, 29 minutes, 40 seconds.
• To count from 1 to 12,901,868,980 would take you about eight hundred twenty 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 12901868980 cubic inches would be around 195.5 feet tall.

Recreational maths with 12901868980

• 12901868980 backwards is 08986810921
• 12901868980 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12901868980's digits is 52
• More coming soon!