138717925920

Names of 138717925920

• Cardinal: 138717925920 can be written as One hundred thirty-eight billion, seven hundred seventeen million, nine hundred twenty-five thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.3871792592 × 10¹¹

Factors of 138717925920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 719

Divisors of 138717925920

• Number of divisors d(n): 768
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 27 28 30 32 35 36 40 42 45 48 49 54 56 60 63 70 72 80 84 90 96 98 105 108 112 120 126 135 140 144 147 160 168 179 180 189 196 210 216 224 240 245 252 270 280 288 294 315 336 343 358 360 378 392 420 432 441 480 490 504 523 537 540 560 588 630 672 686 716 720 735 756 784 840 864 882 895 945 980 1008 1029 1046 1074 1080 1120 1176 1253 1260 1323 1372 1432 1440 1470 1512 1568 1569 1611 1680 1715 1764 1790 1890 1960 2016 2058 2092 2148 2160 2205 2352 2506 2520 2615 2646 2685 2744 2864 2940 3024 3087 3138 3222 3360 3430 3528 3580 3661 3759 3780 3920 4116 4184 4296 4320 4410 4704 4707 4833 5012 5040 5145 5230 5292 5370 5488 5728 5880 6048 6174 6265 6276 6444 6615 6860 7056 7160 7322 7518 7560 7840 7845 8055 8232 8368 8592 8771 8820 9261 9414 9666 10024 10080 10290 10460 10584 10740 10976 10983 11277 11760 12348 12530 12552 12888 13230 13720 14112 14121 14320 14644 15036 15120 15435 15690 16110 16464 16736 17184 17542 17640 18305 18522 18795 18828 19332 20048 20580 20920 21168 21480 21966 22554 23520 23535 24165 24696 25060 25104 25627 25776 26313 26460 27440 28242 28640 29288 30072 30240 30870 31380 32220 32928 32949 33831 35084 35280 36610 37044 37590 37656 38664 40096 41160 41840 42336 42960 43855 43932 45108 46305 47070 48330 49392 50120 50208 51254 51552 52626 52920 54880 54915 56385 56484 58576 60144 61397 61740 62760 64440 65898 67662 70168 70560 70605 73220 74088 75180 75312 76881 77328 78939 82320 83680 85920 87710 87864 90216 92610 93617 94140 96660 98784 98847 100240 102508 105252 105840 109830 112770 112968 117152 120288 122794 123480 125520 128135 128880 131565 131796 135324 140336 141210 146440 148176 150360 150624 153762 154656 157878 164640 164745 169155 175420 175728 179389 180432 184191 185220 187234 188280 193320 197694 200480 205016 210504 211680 219660 225540 225936 230643 236817 245588 246960 251040 256270 257760 263130 263592 270648 280672 280851 282420 292880 296352 300720 306985 307524 315756 329490 338310 350840 351456 358778 360864 368382 370440 374468 376560 384405 386640 394695 395388 410032 421008 439320 451080 451872 461286 468085 473634 491176 493920 494235 512540 526260 527184 538167 541296 552573 561702 564840 585760 601440 613970 615048 631512 655319 658980 676620 691929 701680 717556 736764 740880 748936 753120 768810 773280 789390 790776 820064 842016 842553 878640 896945 902160 920955 922572 936170 947268 982352 988470 1025080 1052520 1054368 1076334 1082592 1105146 1123404 1129680 1153215 1184085 1227940 1230096 1263024 1310638 1317960 1353240 1383858 1403360 1404255 1435112 1473528 1481760 1497872 1537620 1578780 1581552 1614501 1657719 1685106 1757280 1793890 1804320 1841910 1845144 1872340 1894536 1964704 1965957 1976940 2050160 2105040 2152668 2210292 2246808 2259360 2306430 2368170 2455880 2460192 2526048 2527659 2621276 2635920 2690835 2706480 2762865 2767716 2808510 2870224 2947056 2995744 3075240 3157560 3163104 3229002 3276595 3315438 3370212 3459645 3587780 3683820 3690288 3744680 3789072 3931914 3953880 4100320 4210080 4212765 4305336 4420584 4493616 4587233 4612860 4736340 4843503 4911760 5055318 5242552 5271840 5381670 5412960 5525730 5535432 5617020 5740448 5894112 5897871 6150480 6315120 6458004 6553190 6630876 6740424 6919290 7175560 7367640 7380576 7489360 7578144 7863828 7907760 8072505 8288595 8425530 8610672 8841168 8987232 9174466 9225720 9472680 9687006 9823520 9829785 10110636 10485104 10763340 11051460 11070864 11234040 11795742 12300960 12630240 12638295 12916008 13106380 13261752 13480848 13761699 13838580 14351120 14735280 14978720 15727656 15815520 16145010 16577190 16851060 17221344 17682336 17693613 18348932 18451440 18945360 19374012 19659570 20221272 20970208 21526680 22102920 22141728 22468080 22936165 23591484 24217515 25276590 25832016 26212760 26523504 26961696 27523398 27677160 28702240 29470560 29489355 31455312 32110631 32290020 33154380 33702120 35387226 36697864 36902880 37890720 38748024 39319140 40442544 41285097 43053360 44205840 44936160 45872330 47182968 48435030 50553180 51664032 52425520 53047008 55046796 55354320 58978710 62910624 64221262 64580040 66308760 67404240 68808495 70774452 73395728 77496048 78638280 80885088 82570194 86106720 88411680 88468065 91744660 94365936 96331893 96870060 101106360 104851040 110093592 110708640 117957420 123855291 128442524 129160080 132617520 134808480 137616990 141548904 146791456 154992096 157276560 160553155 165140388 176936130 183489320 188731872 192663786 193740120 202212720 206425485 220187184 235914840 247710582 256885048 258320160 265235040 275233980 283097808 288995679 314553120 321106310 330280776 353872260 366978640 385327572 387480240 404425440 412850970 440374368 471829680 481659465 495421164 513770096 550467960 566195616 577991358 619276455 642212620 660561552 707744520 733957280 770655144 774960480 825701940 866987037 943659360 963318930 990842328 1027540192 1100935920 1155982716 1238552910 1284425240 1321123104 1415489040 1444978395 1541310288 1651403880 1733974074 1926637860 1981684656 2201871840 2311965432 2477105820 2568850480 2830978080 2889956790 3082620576 3302807760 3467948148 3853275720 3963369312 4334935185 4623930864 4954211640 5137700960 5779913580 6605615520 6935896296 7706551440 8669870370 9247861728 9908423280 11559827160 13871792592 15413102880 17339740740 19816846560 23119654320 27743585184 34679481480 46239308640 69358962960 138717925920
• Sum of all divisors σ(n): 570447360000
• Sum of proper divisors (its aliquot sum) s(n): 431729434080
• 138717925920 is an abundant number, because the sum of its proper divisors (431729434080) is greater than itself. Its abundance is 293011508160

Bases of 138717925920

• Binary: 10000001001100001110111001001000100000₂
• Hexadecimal: 0x204C3B9220
• Base-36: 1RQ52KO0

Squares and roots of 138717925920

• 138717925920 squared (138717925920²) is 19242662971546607846400
• 138717925920 cubed (138717925920³) is 2669302296590529415064205938688000
• The square root of 138717925920 is 372448.5547293747
• The cube root of 138717925920 is 5176.5950840181

Scales and comparisons

• 138,717,925,920 seconds is equal to 4,410 years, 41 weeks, 4 days, 13 hours, 12 minutes.
• To count from 1 to 138,717,925,920 would take you about eight thousand, eight hundred twenty-one 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 138717925920 cubic inches would be around 431.4 feet tall.

Recreational maths with 138717925920

• 138717925920 backwards is 029529717831
• 138717925920 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138717925920's digits is 54
• More coming soon!