138729327165

Names of 138729327165

• Cardinal: 138729327165 can be written as One hundred thirty-eight billion, seven hundred twenty-nine million, three hundred twenty-seven thousand, one hundred sixty-five.

Scientific notation

• Scientific notation: 1.38729327165 × 10¹¹

Factors of 138729327165

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 201

Divisors of 138729327165

• Number of divisors d(n): 432
• Complete list of divisors:
  1 3 5 9 11 13 15 19 33 39 45 55 57 61 65 89 95 99 117 121 143 165 171 183 195 209 247 267 285 305 361 363 429 445 495 549 585 605 627 671 715 741 793 801 855 915 979 1045 1083 1089 1157 1159 1235 1287 1335 1573 1691 1805 1815 1881 2013 2145 2223 2299 2379 2717 2745 2937 3135 3249 3355 3471 3477 3705 3965 3971 4005 4693 4719 4895 5073 5415 5429 5445 5785 5795 6039 6435 6897 7137 7381 7865 8151 8455 8723 8811 9405 10065 10413 10431 10769 11115 11495 11895 11913 12727 12749 13585 14079 14157 14685 15067 15219 16245 16287 17355 17385 18601 19855 20691 21983 22021 22143 23465 23595 24453 25365 26169 27145 29887 30195 32129 32307 34485 35685 35739 36905 38181 38247 40755 42237 43615 43681 44055 45201 48861 51623 52065 52155 53845 55803 59565 59719 63635 63745 65949 66063 66429 70395 70577 70785 75335 76095 78507 81435 89661 93005 95953 96387 96921 103151 103455 109915 110105 110715 114543 114741 122265 130845 131043 135603 139997 140239 149435 154869 160645 161535 165737 167409 178695 179157 190905 191235 197847 198189 204611 211185 211731 218405 226005 241813 242231 244305 258115 268983 279015 286273 287859 289161 298595 309453 329745 330315 332145 352885 353419 392535 393129 417677 419991 420717 448305 464607 479765 481935 484605 497211 515755 537471 567853 572715 573705 613833 635193 655215 656909 678015 699985 701195 725439 726693 774345 776347 828685 837045 858819 863577 895785 928359 989235 990945 1023055 1058655 1060257 1134661 1209065 1211155 1253031 1259973 1262151 1340963 1344915 1431365 1439295 1445805 1491633 1547265 1703559 1767095 1823107 1841499 1959869 1965645 1970727 2088385 2099955 2103585 2176317 2180079 2323035 2329041 2486055 2576457 2659943 2664541 2687355 2839265 3069165 3149003 3175965 3180771 3284545 3403983 3627195 3633465 3759093 3881735 3887609 4022889 4294095 4317885 4594447 4641795 5110677 5301285 5469321 5673305 5879607 5912181 6265155 6299865 6310755 6704815 6987123 7458165 7979829 7993623 8517795 8539817 9115535 9207495 9447009 9799345 9853635 10211949 10881585 10900395 11645205 11662827 12068667 12481271 12882285 13299715 13322705 13783341 14750593 15745015 15903855 16407963 17019915 17638821 18795465 19438045 20114445 21558559 22972235 23939487 23980869 25478297 25553385 25619451 27346605 28341027 29398035 29560905 34639033 34935615 34988481 37443813 39899145 39968115 41350023 42699085 44251779 47235045 50538917 51059745 58314135 60343335 62406355 64675677 68916705 73752965 76434891 76858353 82039815 88194105 103917099 107792795 112331439 119697435 119904345 127391485 128097255 132755337 141705135 151616751 162256523 173195165 174942405 187219065 194027031 206750115 221258895 229304673 237144149 252694585 280261267 311751297 323378385 382174455 384291765 454850253 486769569 519585495 561657195 663776685 711432447 758083755 811282615 840783801 970135155 1146523365 1185720745 1401306335 1460308707 1558756485 2134297341 2274251265 2433847845 2522351403 3082873937 3557162235 4203919005 7301543535 9248621811 10671486705 12611757015 15414369685 27745865433 46243109055 138729327165
• Sum of all divisors σ(n): 308768831280
• Sum of proper divisors (its aliquot sum) s(n): 170039504115
• 138729327165 is an abundant number, because the sum of its proper divisors (170039504115) is greater than itself. Its abundance is 31310176950

Bases of 138729327165

• Binary: 10000001001100111010011000101000111101₂
• Hexadecimal: 0x204CE98A3D
• Base-36: 1RQBUXX9

Squares and roots of 138729327165

• 138729327165 squared (138729327165²) is 19245826215653606937225
• 138729327165 cubed (138729327165³) is 2669960521632143081106600642217125
• The square root of 138729327165 is 372463.8602133099
• The cube root of 138729327165 is 5176.7369018149

Scales and comparisons

• 138,729,327,165 seconds is equal to 4,411 years, 8 weeks, 3 days, 12 hours, 12 minutes, 45 seconds.
• To count from 1 to 138,729,327,165 would take you about eight thousand, 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 138729327165 cubic inches would be around 431.4 feet tall.

Recreational maths with 138729327165

• 138729327165 backwards is 561723927831
• The number of decimal digits it has is: 12
• The sum of 138729327165's digits is 54
• More coming soon!