126640139490

Names of 126640139490

• Cardinal: 126640139490 can be written as One hundred twenty-six billion, six hundred forty million, one hundred thirty-nine thousand, four hundred ninety.

Scientific notation

• Scientific notation: 1.2664013949 × 10¹¹

Factors of 126640139490

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 65222

Divisors of 126640139490

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 9 10 15 17 18 30 31 34 41 45 51 62 82 85 90 93 102 123 153 155 170 186 205 246 255 279 306 310 369 410 465 510 527 558 615 697 738 765 930 1054 1230 1271 1394 1395 1530 1581 1845 2091 2542 2635 2790 3162 3485 3690 3813 4182 4743 5270 6273 6355 6970 7626 7905 9486 10455 11439 12546 12710 15810 19065 20910 21607 22878 23715 31365 38130 43214 47430 57195 62730 64821 65123 108035 114390 129642 130246 194463 195369 216070 324105 325615 388926 390738 586107 648210 651230 972315 976845 1107091 1172214 1944630 1953690 2018813 2214182 2670043 2930535 3321273 4037626 5340086 5535455 5861070 6056439 6642546 8010129 9963819 10094065 11070910 12112878 13350215 16020258 16606365 18169317 19927638 20188130 24030387 26700430 30282195 33212730 34319821 36338634 40050645 45390731 48060774 49819095 60564390 68639642 80101290 82771333 90781462 90846585 99638190 102959463 120151935 136172193 165542666 171599105 181693170 205918926 226953655 240303870 248313999 272344386 308878389 343198210 408516579 413856665 453907310 496627998 514797315 617756778 680860965 744941997 817033158 827713330 1029594630 1241569995 1361721930 1407112661 1489883994 1544391945 2042582895 2483139990 2814225322 3088783890 3724709985 4085165790 4221337983 7035563305 7449419970 8442675966 12664013949 14071126610 21106689915 25328027898 42213379830 63320069745 126640139490
• Sum of all divisors σ(n): 368662275072
• Sum of proper divisors (its aliquot sum) s(n): 242022135582
• 126640139490 is an abundant number, because the sum of its proper divisors (242022135582) is greater than itself. Its abundance is 115381996092

Bases of 126640139490

• Binary: 1110101111100010101110010110011100010₂
• Hexadecimal: 0x1D7C572CE2
• Base-36: 1M6E9P0I

Squares and roots of 126640139490

• 126640139490 squared (126640139490²) is 16037724930046657460100
• 126640139490 cubed (126640139490³) is 2031019722243359192955313109349000
• The square root of 126640139490 is 355865.3389837229
• The cube root of 126640139490 is 5021.7735712179

Scales and comparisons

• 126,640,139,490 seconds is equal to 4,026 years, 39 weeks, 5 days, 8 hours, 31 minutes, 30 seconds.
• To count from 1 to 126,640,139,490 would take you about eight thousand and fifty-three 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 126640139490 cubic inches would be around 418.5 feet tall.

Recreational maths with 126640139490

• 126640139490 backwards is 094931046621
• 126640139490 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 126640139490's digits is 45
• More coming soon!