138369199878

Names of 138369199878

• Cardinal: 138369199878 can be written as One hundred thirty-eight billion, three hundred sixty-nine million, one hundred ninety-nine thousand, eight hundred seventy-eight.

Scientific notation

• Scientific notation: 1.38369199878 × 10¹¹

Factors of 138369199878

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 126

Divisors of 138369199878

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 26 39 42 49 63 78 91 98 101 117 126 147 169 182 202 234 273 294 303 338 343 441 507 546 606 637 686 707 819 882 909 1014 1029 1183 1274 1313 1414 1521 1638 1818 1911 2058 2121 2197 2366 2626 3042 3087 3549 3822 3939 4242 4394 4459 4949 5733 6174 6363 6591 7098 7878 8281 8918 9191 9898 10201 10647 11466 11817 12726 13182 13377 14847 15379 16562 17069 18382 19773 20402 21294 23634 24843 26754 27573 29694 30603 30758 34138 34643 39546 40131 44541 46137 49686 51207 55146 57967 61206 64337 69286 71407 74529 80262 82719 89082 91809 92274 102414 103929 107653 115934 119483 128674 132613 138411 142814 149058 153621 165438 173901 183618 193011 207858 214221 215306 221897 238966 265226 276822 307242 311787 322959 347802 358449 386022 397839 428442 443794 450359 499849 521703 579033 623574 642663 645918 665691 716898 753571 795678 836381 900718 928291 968877 999698 1043406 1075347 1158066 1193517 1285326 1331382 1351077 1499547 1507142 1553279 1672762 1723969 1856582 1937754 1997073 2150694 2260713 2387034 2509143 2702154 2784873 2999094 3106558 3447938 3498943 3994146 4053231 4498641 4521426 4659837 5018286 5171907 5569746 5854667 6498037 6782139 6997886 7527429 8106462 8354619 8997282 9319674 10343814 10496829 10872953 11709334 12067783 12996074 13564278 13979511 15054858 15515721 16709238 17564001 19494111 20993658 21745906 22411597 24135566 27959022 31031442 31490487 32618859 35128002 36203349 38988222 44823194 45486259 52692003 58482333 62980974 65237718 67234791 72406698 76110671 84474481 90972518 97856577 105384006 108610047 116964666 134469582 136458777 152221342 156881179 168948962 195713154 201704373 217220094 228332013 253423443 272917554 313762358 403408746 409376331 456664026 470643537 506846886 591321367 684996039 760270329 818752662 941287074 1098168253 1182642734 1369992078 1411930611 1520540658 1773964101 2196336506 2823861222 3294504759 3547928202 5321892303 6589009518 7687177771 9883514277 10643784606 15374355542 19767028554 23061533313 46123066626 69184599939 138369199878
• Sum of all divisors σ(n): 382529784000
• Sum of proper divisors (its aliquot sum) s(n): 244160584122
• 138369199878 is an abundant number, because the sum of its proper divisors (244160584122) is greater than itself. Its abundance is 105791384244

Bases of 138369199878

• Binary: 10000000110111011100100110111100000110₂
• Hexadecimal: 0x2037726F06
• Base-36: 1RKDG5XI

Squares and roots of 138369199878

• 138369199878 squared (138369199878²) is 19146035474877915214884
• 138369199878 cubed (138369199878³) is 2649221609494660898016221516584152
• The square root of 138369199878 is 371980.1068309971
• The cube root of 138369199878 is 5172.2535918835

Scales and comparisons

• 138,369,199,878 seconds is equal to 4,399 years, 37 weeks, 8 hours, 51 minutes, 18 seconds.
• To count from 1 to 138,369,199,878 would take you about eight thousand, seven hundred ninety-nine 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 138369199878 cubic inches would be around 431 feet tall.

Recreational maths with 138369199878

• 138369199878 backwards is 878991963831
• The number of decimal digits it has is: 12
• The sum of 138369199878's digits is 72
• More coming soon!