138840778692

Names of 138840778692

• Cardinal: 138840778692 can be written as One hundred thirty-eight billion, eight hundred forty million, seven hundred seventy-eight thousand, six hundred ninety-two.

Scientific notation

• Scientific notation: 1.38840778692 × 10¹¹

Factors of 138840778692

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 334

Divisors of 138840778692

• Number of divisors d(n): 252
• Complete list of divisors:
  1 2 3 4 6 7 9 11 12 14 18 21 22 28 33 36 42 44 63 66 77 84 99 121 126 132 154 198 231 242 252 308 311 363 396 462 484 622 693 726 847 924 933 1089 1244 1331 1386 1452 1694 1866 2177 2178 2541 2662 2772 2799 3388 3421 3732 3993 4354 4356 5082 5324 5598 6531 6842 7623 7986 8708 9317 10164 10263 11196 11979 13062 13684 14641 15246 15972 18634 19593 20526 23947 23958 26124 27951 29282 30492 30789 37268 37631 39186 41052 43923 47894 47916 55902 58564 61578 71841 75262 78372 83853 87846 95788 102487 111804 112893 123156 131769 143682 150524 161051 167706 175692 204974 215523 225786 263417 263538 287364 307461 322102 335412 338679 409948 413941 431046 451572 483153 526834 527076 614922 644204 677358 790251 827882 862092 922383 966306 1053668 1127357 1229844 1241823 1354716 1449459 1580502 1655764 1771561 1844766 1932612 2254714 2370753 2483646 2897587 2898918 3161004 3382071 3543122 3689532 3725469 4509428 4553351 4741506 4967292 5314683 5795174 5797836 6764142 7086244 7450938 8692761 9106702 9483012 10146213 10629366 11590348 12400927 13528284 13660053 14901876 15944049 17385522 18213404 20292426 21258732 24801854 26078283 27320106 31873457 31888098 34771044 37202781 40584852 40980159 49603708 50086861 52156566 54640212 63746914 63776196 74405562 81960318 95620371 100173722 104313132 111608343 127493828 148811124 150260583 163920636 191240742 200347444 223216686 286861113 300521166 350608027 382481484 446433372 450781749 550955471 573722226 601042332 701216054 901563498 1051824081 1101910942 1147444452 1402432108 1652866413 1803126996 2103648162 2203821884 3155472243 3305732826 3856688297 4207296324 4958599239 6310944486 6611465652 7713376594 9917198478 11570064891 12621888972 15426753188 19834396956 23140129782 34710194673 46280259564 69420389346 138840778692
• Sum of all divisors σ(n): 442623784512
• Sum of proper divisors (its aliquot sum) s(n): 303783005820
• 138840778692 is an abundant number, because the sum of its proper divisors (303783005820) is greater than itself. Its abundance is 164942227128

Bases of 138840778692

• Binary: 10000001010011100011100010011111000100₂
• Hexadecimal: 0x20538E27C4
• Base-36: 1RS67QH0

Squares and roots of 138840778692

• 138840778692 squared (138840778692²) is 19276761827800921230864
• 138840778692 cubed (138840778692³) is 2676400622832101117648112863949888
• The square root of 138840778692 is 372613.4440569743
• The cube root of 138840778692 is 5178.1228159297

Scales and comparisons

• 138,840,778,692 seconds is equal to 4,414 years, 36 weeks, 5 days, 10 hours, 58 minutes, 12 seconds.
• To count from 1 to 138,840,778,692 would take you about eight thousand, eight hundred twenty-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 138840778692 cubic inches would be around 431.5 feet tall.

Recreational maths with 138840778692

• 138840778692 backwards is 296877048831
• 138840778692 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138840778692's digits is 63
• More coming soon!