138457940166

Names of 138457940166

• Cardinal: 138457940166 can be written as One hundred thirty-eight billion, four hundred fifty-seven million, nine hundred forty thousand, one hundred sixty-six.

Scientific notation

• Scientific notation: 1.38457940166 × 10¹¹

Factors of 138457940166

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1850

Divisors of 138457940166

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 6 7 9 13 14 18 21 23 26 27 39 42 46 54 63 69 78 79 81 91 117 126 138 158 161 162 182 189 207 234 237 243 273 299 322 351 378 414 474 483 486 546 553 567 598 621 702 711 819 897 966 1027 1053 1106 1134 1242 1422 1449 1638 1659 1701 1723 1794 1817 1863 2054 2093 2106 2133 2457 2691 2898 3081 3159 3318 3402 3446 3634 3726 4186 4266 4347 4914 4977 5169 5382 5451 5589 6162 6279 6318 6399 7189 7371 8073 8694 9243 9954 10338 10902 11178 12061 12558 12719 12798 13041 14378 14742 14931 15507 16146 16353 18486 18837 19197 21567 22113 22399 23621 24122 24219 25438 26082 27729 29862 31014 32706 36183 37674 38157 38394 39123 39629 43134 44226 44793 44798 46521 47242 48438 49059 55458 56511 64701 67197 70863 72366 72657 76314 78246 79258 83187 89586 93042 98118 108549 113022 114471 118887 129402 134379 134394 136117 139563 141726 145314 147177 156793 165347 166374 169533 194103 201591 212589 217098 228942 237774 249561 268758 272234 277403 279126 294354 313586 325647 330694 339066 343413 356661 388206 403182 408351 418689 425178 441531 470379 496041 499122 508599 515177 554806 582309 604773 637767 651294 686826 713322 816702 832209 837378 883062 940758 952819 976941 992082 1017198 1030239 1030354 1069983 1164618 1209546 1225053 1275534 1411137 1488123 1545531 1664418 1746927 1769521 1814319 1905638 1913301 1953882 2060478 2139966 2450106 2496627 2822274 2858457 2930823 2976246 3090717 3091062 3130691 3209949 3493854 3539042 3606239 3628638 3675159 3826602 4233411 4464369 4636593 4993254 5308563 5442957 5716914 5739903 5861646 6181434 6261382 6419898 7212478 7350318 7489881 8466822 8575371 8928738 9273186 9392073 9629847 10617126 10818717 10885914 11025477 11479806 12386647 12700233 13393107 13909779 14979762 15925689 17150742 18784146 19259694 21637434 21914837 22050954 22469643 24773294 25400466 25726113 26786214 27819558 28176219 31851378 32456151 33076431 37159941 38100699 40179321 40698983 41729337 43829674 44939286 47777067 51452226 56352438 64912302 65744511 66152862 67408929 74319882 76201398 77178339 80358642 81397966 83458674 84528657 95554134 97368453 111479823 122096949 125188011 131489022 134817858 143331201 154356678 169057314 194736906 197233533 222959646 231535017 244193898 250376022 253585971 284892881 286662402 292105359 334439469 366290847 394467066 429993603 463070034 507171942 569785762 584210718 591700599 668878938 732581694 760757913 854678643 859987206 876316077 1003318407 1098872541 1183401198 1521515826 1709357286 1752632154 1775101797 2006636814 2197745082 2564035929 3009955221 3296617623 3550203594 5128071858 5325305391 6019910442 6593235246 7692107787 9889852869 10650610782 15384215574 19779705738 23076323361 46152646722 69228970083 138457940166
• Sum of all divisors σ(n): 404836024320
• Sum of proper divisors (its aliquot sum) s(n): 266378084154
• 138457940166 is an abundant number, because the sum of its proper divisors (266378084154) is greater than itself. Its abundance is 127920143988

Bases of 138457940166

• Binary: 10000000111100101111001000000011000110₂
• Hexadecimal: 0x203CBC80C6
• Base-36: 1RLUA6DI

Squares and roots of 138457940166

• 138457940166 squared (138457940166²) is 19170601195011636107556
• 138457940166 cubed (138457940166³) is 2654321953205169209853753788494296
• The square root of 138457940166 is 372099.3686718641
• The cube root of 138457940166 is 5173.3590623397

Scales and comparisons

• 138,457,940,166 seconds is equal to 4,402 years, 27 weeks, 5 days, 10 hours, 56 minutes, 6 seconds.
• To count from 1 to 138,457,940,166 would take you about eight thousand, eight hundred 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 138457940166 cubic inches would be around 431.1 feet tall.

Recreational maths with 138457940166

• 138457940166 backwards is 661049754831
• 138457940166 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138457940166's digits is 54
• More coming soon!