138522615840

Names of 138522615840

• Cardinal: 138522615840 can be written as One hundred thirty-eight billion, five hundred twenty-two million, six hundred fifteen thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3852261584 × 10¹¹

Factors of 138522615840

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 26983

Divisors of 138522615840

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 5 6 7 8 9 10 12 14 15 16 18 20 21 24 28 30 32 35 36 40 42 45 48 49 56 60 63 70 72 73 80 84 90 96 98 105 112 120 126 140 144 146 147 160 168 180 196 210 219 224 240 245 252 280 288 292 294 315 336 360 365 392 420 438 441 480 490 504 511 560 584 588 630 657 672 720 730 735 784 840 876 882 980 1008 1022 1095 1120 1168 1176 1260 1314 1440 1460 1470 1533 1568 1680 1752 1764 1960 2016 2044 2190 2205 2336 2352 2520 2555 2628 2920 2940 3066 3285 3360 3504 3528 3577 3920 4088 4380 4410 4599 4704 5040 5110 5256 5840 5880 6132 6570 7008 7056 7154 7665 7840 8176 8760 8820 9198 10080 10220 10512 10731 11680 11760 12264 13140 14112 14308 15330 16352 17520 17640 17885 18396 20440 21024 21462 22995 23520 24528 26280 26893 28616 30660 32193 35040 35280 35770 36792 40880 42924 45990 49056 52560 53655 53786 57232 61320 64386 70560 71540 73584 80679 81760 85848 91980 105120 107310 107572 114464 122640 128772 134465 143080 147168 160965 161358 171696 183960 188251 214620 215144 242037 245280 257544 268930 286160 321930 322716 343392 367920 376502 403395 429240 430288 484074 515088 537860 564753 572320 643860 645432 735840 753004 806790 858480 860576 941255 968148 1030176 1075720 1129506 1210185 1287720 1290864 1317757 1506008 1613580 1694259 1716960 1882510 1936296 1963189 2151440 2259012 2420370 2575440 2581728 2635514 2823765 3012016 3227160 3388518 3765020 3872592 3926378 3953271 4302880 4518024 4840740 5150880 5271028 5647530 5889567 6024032 6454320 6588785 6777036 7530040 7745184 7852756 7906542 8471295 9036048 9681480 9815945 10542056 11295060 11779134 11859813 12908640 13177570 13554072 13742323 15060080 15705512 15813084 16942590 17668701 18072096 19362960 19631890 19766355 21084112 22590120 23558268 23719626 26355140 27108144 27484646 29447835 30120160 31411024 31626168 33885180 35337402 38725920 39263780 39532710 41226969 42168224 45180240 47116536 47439252 52710280 54216288 54969292 58895670 59299065 62822048 63252336 67770360 68711615 70674804 78527560 79065420 82453938 88343505 90360480 94233072 94878504 96196261 105420560 109938584 117791340 118598130 123680907 126504672 135540720 137423230 141349608 157055120 158130840 164907876 176687010 188466144 189757008 192392522 206134845 210841120 219877168 235582680 237196260 247361814 271081440 274846460 282699216 288588783 314110240 316261680 329815752 353374020 379514016 384785044 412269690 439754336 471165360 474392520 480981305 494723628 549692920 565398432 577177566 618404535 632523360 659631504 706748040 769570088 824539380 865766349 942330720 948785040 961962610 989447256 1099385840 1154355132 1236809070 1319263008 1413496080 1442943915 1539140176 1649078760 1731532698 1897570080 1923925220 1978894512 2198771680 2308710264 2473618140 2826992160 2885887830 3078280352 3298157520 3463065396 3847850440 3957789024 4328831745 4617420528 4947236280 5771775660 6596315040 6926130792 7695700880 8657663490 9234841056 9894472560 11543551320 13852261584 15391401760 17315326980 19788945120 23087102640 27704523168 34630653960 46174205280 69261307920 138522615840
• Sum of all divisors σ(n): 557438715288
• Sum of proper divisors (its aliquot sum) s(n): 418916099448
• 138522615840 is an abundant number, because the sum of its proper divisors (418916099448) is greater than itself. Its abundance is 280393483608

Bases of 138522615840

• Binary: 10000001000000100101110110000000100000₂
• Hexadecimal: 0x2040976020
• Base-36: 1RMWSEG0

Squares and roots of 138522615840

• 138522615840 squared (138522615840²) is 19188515099156218905600
• 138522615840 cubed (138522615840³) is 2658043305620456419607374024704000
• The square root of 138522615840 is 372186.2649803187
• The cube root of 138522615840 is 5174.1644534931

Scales and comparisons

• 138,522,615,840 seconds is equal to 4,404 years, 30 weeks, 5 days, 24 minutes.
• To count from 1 to 138,522,615,840 would take you about eight thousand, eight hundred 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 138522615840 cubic inches would be around 431.2 feet tall.

Recreational maths with 138522615840

• 138522615840 backwards is 048516225831
• 138522615840 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138522615840's digits is 45
• More coming soon!