138131153280

Names of 138131153280

• Cardinal: 138131153280 can be written as One hundred thirty-eight billion, one hundred thirty-one million, one hundred fifty-three thousand, two hundred eighty.

Scientific notation

• Scientific notation: 1.3813115328 × 10¹¹

Factors of 138131153280

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 2146

Divisors of 138131153280

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 30 32 36 40 45 48 54 60 64 72 80 81 90 96 108 120 128 135 144 149 160 162 180 192 216 240 243 270 288 298 320 324 360 384 405 432 447 480 486 540 576 596 640 648 720 729 745 810 864 894 960 972 1080 1152 1192 1215 1296 1341 1440 1458 1490 1620 1728 1788 1920 1944 1987 2160 2235 2384 2430 2592 2682 2880 2916 2980 3240 3456 3576 3645 3888 3974 4023 4320 4470 4768 4860 5184 5364 5760 5832 5960 5961 6480 6705 7152 7290 7776 7948 8046 8640 8940 9536 9720 9935 10368 10728 11664 11920 11922 12069 12960 13410 14304 14580 15552 15896 16092 17280 17880 17883 19072 19440 19870 20115 21456 23328 23840 23844 24138 25920 26820 28608 29160 29805 31104 31792 32184 35760 35766 36207 38880 39740 40230 42912 46656 47680 47688 48276 51840 53640 53649 57216 58320 59610 60345 63584 64368 71520 71532 72414 77760 79480 80460 85824 89415 93312 95360 95376 96552 107280 107298 108621 116640 119220 120690 127168 128736 143040 143064 144828 155520 158960 160920 160947 171648 178830 181035 190752 193104 214560 214596 217242 233280 238440 241380 254336 257472 268245 286080 286128 289656 296063 317920 321840 321894 357660 362070 381504 386208 429120 429192 434484 466560 476880 482760 482841 514944 536490 543105 572256 579312 592126 635840 643680 643788 715320 724140 763008 772416 804735 858240 858384 868968 888189 953760 965520 965682 1072980 1086210 1144512 1158624 1184252 1271680 1287360 1287576 1430640 1448280 1448523 1480315 1544832 1609470 1716768 1737936 1776378 1907520 1931040 1931364 2145960 2172420 2289024 2317248 2368504 2414205 2574720 2575152 2664567 2861280 2896560 2897046 2960630 3218940 3433536 3475872 3552756 3815040 3862080 3862728 4291920 4344840 4440945 4634496 4737008 4828410 5150304 5329134 5722560 5793120 5794092 5921260 6437880 6867072 6951744 7105512 7242615 7724160 7725456 7993701 8583840 8689680 8881890 9474016 9656820 10300608 10658268 11445120 11586240 11588184 11842520 12875760 13322835 13903488 14211024 14485230 15450912 15987402 17167680 17379360 17763780 18948032 19313640 20601216 21316536 23172480 23176368 23685040 23981103 25751520 26645670 28422048 28970460 30901824 31974804 34335360 34758720 35527560 37896064 38627280 39968505 42633072 46352736 47370080 47962206 51503040 53291340 56844096 57940920 61803648 63949608 69517440 71055120 71943309 77254560 79937010 85266144 92705472 94740160 95924412 103006080 106582680 113688192 115881840 119905515 127899216 142110240 143886618 154509120 159874020 170532288 185410944 189480320 191848824 213165360 215829927 231763680 239811030 255798432 284220480 287773236 309018240 319748040 341064576 359716545 383697648 426330720 431659854 463527360 479622060 511596864 568440960 575546472 639496080 719433090 767395296 852661440 863319708 927054720 959244120 1023193728 1079149635 1151092944 1278992160 1438866180 1534790592 1705322880 1726639416 1918488240 2158299270 2302185888 2557984320 2877732360 3069581184 3453278832 3836976480 4316598540 4604371776 5115968640 5755464720 6906557664 7673952960 8633197080 9208743552 11510929440 13813115328 15347905920 17266394160 23021858880 27626230656 34532788320 46043717760 69065576640 138131153280
• Sum of all divisors σ(n): 498676878000
• Sum of proper divisors (its aliquot sum) s(n): 360545724720
• 138131153280 is an abundant number, because the sum of its proper divisors (360545724720) is greater than itself. Its abundance is 222414571440

Bases of 138131153280

• Binary: 10000000101001010000100010000110000000₂
• Hexadecimal: 0x2029422180
• Base-36: 1RGFQ000

Squares and roots of 138131153280

• 138131153280 squared (138131153280²) is 19080215506462854758400
• 138131153280 cubed (138131153280³) is 2635572172738653421258927767552000
• The square root of 138131153280 is 371659.9968788677
• The cube root of 138131153280 is 5169.2858213329

Scales and comparisons

• 138,131,153,280 seconds is equal to 4,392 years, 7 weeks, 3 days, 4 hours, 48 minutes.
• To count from 1 to 138,131,153,280 would take you about eight thousand, seven hundred eighty-four 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 138131153280 cubic inches would be around 430.8 feet tall.

Recreational maths with 138131153280

• 138131153280 backwards is 082351131831
• 138131153280 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138131153280's digits is 36
• More coming soon!