138954100880

Names of 138954100880

• Cardinal: 138954100880 can be written as One hundred thirty-eight billion, nine hundred fifty-four million, one hundred thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.3895410088 × 10¹¹

Factors of 138954100880

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 381

Divisors of 138954100880

• Number of divisors d(n): 640
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 29 34 35 37 40 56 58 61 68 70 74 80 85 112 116 119 122 136 140 145 148 170 185 203 223 232 238 244 259 272 280 290 296 305 340 370 406 427 446 464 476 488 493 518 560 580 592 595 610 629 680 740 812 854 892 952 976 986 1015 1036 1037 1073 1115 1160 1190 1220 1258 1295 1360 1480 1561 1624 1708 1769 1784 1904 1972 2030 2072 2074 2135 2146 2230 2257 2320 2380 2440 2465 2516 2590 2960 3122 3145 3248 3416 3451 3538 3568 3791 3944 4060 4144 4148 4270 4292 4403 4460 4514 4760 4880 4930 5032 5180 5185 5365 6244 6290 6467 6832 6902 7076 7259 7511 7582 7805 7888 8120 8251 8296 8540 8584 8806 8845 8920 9028 9520 9860 10064 10360 10370 10730 11285 12383 12488 12580 12934 13603 13804 14152 14518 15022 15164 15610 15799 16240 16502 16592 17080 17168 17255 17612 17690 17840 18056 18241 18955 19720 20720 20740 21460 22015 22570 24766 24976 25160 25868 26537 27206 27608 28304 29036 30044 30073 30328 31220 31598 32335 33004 34160 34510 35224 35380 36112 36295 36482 37555 37910 38369 39440 41255 41480 42920 44030 45140 45269 49532 50320 51736 53074 54412 55216 57757 58072 60088 60146 60656 61915 62440 63196 64670 65453 66008 68015 69020 70448 70760 72590 72964 75110 75820 76738 78995 82510 82960 85840 88060 90280 90538 91205 95221 99064 103472 106148 108824 109939 115514 116144 120176 120292 123830 124880 126392 127687 129340 130906 132016 132685 136030 138040 140267 141520 145180 145928 150220 150365 151640 153476 157990 165020 176120 180560 181076 182410 190442 191845 198128 210511 212296 217648 219878 226345 231028 231251 239279 240584 247660 252784 255374 258680 261812 265370 268583 272060 276080 280534 288785 290360 291856 300440 300730 303280 306952 315980 327265 330040 352240 362152 364820 380884 383690 394487 421022 424592 439756 452690 458171 462056 462502 476105 478558 481168 495320 503311 510748 517360 523624 530740 537166 544120 549695 561068 577570 580720 600880 601460 613904 631960 638435 654530 660080 701335 724304 729640 761768 767380 769573 788974 842044 879512 905380 916342 924112 925004 952210 957116 981869 990640 1006622 1021496 1047248 1052555 1061480 1074332 1088240 1099390 1112701 1122136 1155140 1156255 1196395 1202920 1263920 1276870 1309060 1342915 1402670 1459280 1523536 1534760 1539146 1577948 1618757 1674953 1684088 1759024 1810760 1832684 1850008 1904420 1914232 1963738 1972435 2013244 2042992 2105110 2122960 2148664 2198780 2225402 2244272 2290855 2310280 2312510 2392790 2405840 2516555 2553740 2618120 2685830 2761409 2805340 3069520 3078292 3155896 3237514 3349906 3368176 3523177 3621520 3665368 3700016 3808840 3828464 3847865 3927476 3944870 4026488 4067743 4210220 4297328 4397560 4450804 4581710 4620560 4625020 4785580 4909345 5033110 5107480 5236240 5371660 5522818 5563505 5610680 6156584 6311792 6475028 6699812 6706279 7046354 7330736 7617680 7695730 7788907 7854952 7889740 8052976 8093785 8135486 8374765 8420440 8556287 8795120 8901608 9163420 9250040 9571160 9818690 10066220 10214960 10743320 11045636 11127010 11221360 12313168 12950056 13399624 13412558 13807045 14092708 14596019 15391460 15577814 15709904 15779480 16187570 16270972 16749530 16840880 17112574 17615885 17803216 18326840 18500080 19142320 19637380 20132440 20338715 21486640 22091272 22254020 25900112 26799248 26825116 27614090 28185416 28474201 29192038 30782920 31155628 31558960 32375140 32541944 33499060 33531395 34225148 35231770 36653680 38944535 39274760 40264880 40677430 42781435 44182544 44508040 46943953 53650232 55228180 56370832 56948402 58384076 59894009 61565840 62311256 64750280 65083888 66998120 67062790 68450296 70463540 72980095 77889070 78549520 81354860 85562870 89016080 93887906 102172133 107300464 110456360 113896804 116768152 119788018 124622512 129500560 133996240 134125580 136900592 140927080 142371005 145960190 155778140 162709720 171125740 187775812 204344266 220912720 227793608 233536304 234719765 239576036 248132323 268251160 281854160 284742010 291920380 299470045 311556280 325419440 342251480 375551624 408688532 455587216 469439530 479152072 496264646 510860665 536502320 569484020 583840760 598940090 623112560 684502960 751103248 817377064 938879060 958304144 992529292 1021721330 1138968040 1167681520 1197880180 1240661615 1634754128 1736926261 1877758120 1985058584 2043442660 2277936080 2395760360 2481323230 3473852522 3755516240 3970117168 4086885320 4791520720 4962646460 6947705044 8173770640 8684631305 9925292920 13895410088 17369262610 19850585840 27790820176 34738525220 69477050440 138954100880
• Sum of all divisors σ(n): 424052858880
• Sum of proper divisors (its aliquot sum) s(n): 285098758000
• 138954100880 is an abundant number, because the sum of its proper divisors (285098758000) is greater than itself. Its abundance is 146144657120

Bases of 138954100880

• Binary: 10000001011010010011110101000010010000₂
• Hexadecimal: 0x205A4F5090
• Base-36: 1RU1OMFK

Squares and roots of 138954100880

• 138954100880 squared (138954100880²) is 19308242151369216774400
• 138954100880 cubed (138954100880³) is 2682959427716826377796565801472000
• The square root of 138954100880 is 372765.4770495787
• The cube root of 138954100880 is 5179.5312317109

Scales and comparisons

• 138,954,100,880 seconds is equal to 4,418 years, 16 weeks, 1 day, 1 hour, 21 minutes, 20 seconds.
• To count from 1 to 138,954,100,880 would take you about eight thousand, eight hundred thirty-six 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 138954100880 cubic inches would be around 431.6 feet tall.

Recreational maths with 138954100880

• 138954100880 backwards is 088001459831
• The number of decimal digits it has is: 12
• The sum of 138954100880's digits is 47
• More coming soon!