138420247708097901

Names of 138420247708097901

• Cardinal: 138420247708097901 can be written as One hundred thirty-eight quadrillion, four hundred twenty trillion, two hundred forty-seven billion, seven hundred eight million, ninety-seven thousand, nine hundred one.

Scientific notation

• Scientific notation: 1.38420247708097901 × 10¹⁷

Factors of 138420247708097901

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 917

Divisors of 138420247708097901

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 7 9 13 17 21 27 39 51 63 91 117 119 153 189 221 273 289 351 357 459 663 819 867 877 1071 1547 1989 2023 2457 2601 2631 3213 3757 4641 4913 5967 6069 6139 7803 7893 11271 11401 13923 14739 14909 18207 18417 23679 26299 33813 34203 34391 41769 44217 44727 54621 55251 63869 78897 79807 83521 101439 102609 103173 104363 132651 134181 165753 191607 193817 236691 239421 250563 253453 307827 309519 313089 402543 447083 574821 581451 584647 710073 718263 751689 760359 769129 928557 939267 1085773 1341249 1356719 1724463 1744353 1753941 1774171 2154789 2255067 2281077 2307387 2817801 3257319 3294889 4023747 4070157 4308701 5233059 5261823 5322513 5383903 6843231 6922161 7600411 9771957 9884667 9998677 12071241 12210471 12926103 13075193 15785469 15967539 16151709 20766483 22801233 23064223 29315871 29654001 29996031 30160907 36631413 38778309 39225579 47902617 48455127 56013113 68403699 69192669 69990739 73247917 88962003 89988093 90482721 91526351 116334927 117676737 145365381 168039339 169977509 205211097 207578007 209972217 219743751 222278281 269964279 271448163 274579053 353030211 392091791 504118017 509932527 512735419 622734021 629916651 659231253 666834843 674526133 814344489 823737159 952222921 1176275373 1189842563 1512354051 1529797581 1538206257 1555947967 1889749953 1977693759 2000504529 2023578399 2471211477 2856668763 2889617653 3528826119 3569527689 3778730777 4589392743 4614618771 4667843901 4721682931 6001513587 6070735197 6665560447 8570006289 8668852959 8768839729 10586478357 10708583067 11336192331 11466944261 13843856313 14003531703 14165048793 18212205591 19996681341 20227323571 25710018867 26006558877 26306519187 26451115439 32125749201 34008576993 34400832783 42010595109 42495146379 49123500101 59990044023 60681970713 61381878103 64238423209 78019676631 78919557561 79353346317 80268609827 102025730979 103202498349 127485439137 147370500303 149070275393 179970132069 182045912139 184145634309 192715269627 194938052437 236758672683 238060038951 240805829481 309607495047 343864500707 442111500909 447210826179 449668962463 546137736417 552436902927 578145808881 584814157311 714180116853 722417488443 835099501717 1031593502121 1043491927751 1326334502727 1341632478537 1349006887389 1364566367059 1657310708781 1734437426643 1754442471933 2167252465329 2505298505151 2534194681681 3094780506363 3130475783253 3313946891429 4024897435611 4047020662167 4093699101177 5263327415799 5845696512019 7515895515453 7602584045043 9284341519089 9391427349759 9941840674287 12141061986501 12281097303531 17537089536057 17739362771767 22547686546359 22807752135129 23197628240003 28174282049277 29825522022861 36843291910593 43081309588577 52611268608171 53218088315301 56337097154293 68423256405387 69592884720009 89476566068583 129243928765731 157833805824513 159654264945903 169011291462879 208778654160027 301569167120039 387731786297193 394359680080051 478962794837709 507033874388637 626335962480081 732382263005809 904707501360117 1163195358891579 1183079040240153 1521101623165911 2197146789017427 2714122504080351 3549237120720459 5126675841040663 6591440367052281 8142367512241053 10647711362161377 15380027523121989 19774321101156843 46140082569365967 138420247708097901
• Sum of all divisors σ(n): 268470517323635200
• Sum of proper divisors (its aliquot sum) s(n): 130050269615537299
• 138420247708097901 is a deficient number, because the sum of its proper divisors (130050269615537299) is less than itself. Its deficiency is 8369978092560602

Bases of 138420247708097901

• Binary: 111101011110001000111101101011110010111001101110101101101₂
• Hexadecimal: 0x1EBC47B5E5CDD6D
• Base-36: 11UXVRXOIJ59

Squares and roots of 138420247708097901

• 138420247708097901 squared (138420247708097901²) is 19160164975571182214605731400605801
• 138420247708097901 cubed (138420247708097901³) is 2652154782046584610243402750338360871391604816523701
• The square root of 138420247708097901 is 372048716.8478046249
• The cube root of 138420247708097901 is 517288.9571229837

Scales and comparisons

• 138,420,247,708,097,901 seconds is equal to 4,401,335,715 years, 9 weeks, 2 days, 4 hours, 58 minutes, 21 seconds.
• To count from 1 to 138,420,247,708,097,901 would take you about thirteen billion, two hundred four million, seven thousand, one hundred forty-five 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 138420247708097901 cubic inches would be around 43107.4 feet tall.

Recreational maths with 138420247708097901

• 138420247708097901 backwards is 109790807742024831
• The number of decimal digits it has is: 18
• The sum of 138420247708097901's digits is 72
• More coming soon!