138254735840

Names of 138254735840

• Cardinal: 138254735840 can be written as One hundred thirty-eight billion, two hundred fifty-four million, seven hundred thirty-five thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.3825473584 × 10¹¹

Factors of 138254735840

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 104

Divisors of 138254735840

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 8 10 13 16 17 20 26 32 34 40 52 65 67 68 80 85 104 130 134 136 160 169 170 208 221 260 268 272 335 338 340 416 442 520 536 544 670 676 680 845 871 884 1040 1072 1105 1139 1340 1352 1360 1690 1742 1768 2080 2144 2210 2278 2680 2704 2720 2873 3380 3484 3536 4355 4420 4489 4556 5360 5408 5695 5746 6760 6968 7072 8710 8840 8978 9112 10720 11323 11390 11492 13520 13936 14365 14807 17420 17680 17956 18224 22445 22646 22780 22984 27040 27872 28730 29614 34840 35360 35912 36448 44890 45292 45560 45968 56615 57460 58357 59228 69680 71824 74035 76313 89780 90584 91120 91936 113230 114920 116714 118456 139360 143648 148070 152626 179560 181168 182240 192491 226460 229840 233428 236912 291785 296140 300763 305252 359120 362336 381565 384982 452920 459680 466856 473824 583570 592280 601526 610504 718240 758641 763130 769964 905840 933712 962455 992069 1167140 1184560 1203052 1221008 1503815 1517282 1526260 1539928 1811680 1867424 1924910 1984138 2334280 2369120 2406104 2442016 3007630 3034564 3052520 3079856 3793205 3849820 3909919 3968276 4668560 4812208 4960345 5112971 6015260 6069128 6105040 6159712 7586410 7699640 7819838 7936552 9337120 9624416 9920690 10225942 12030520 12138256 12210080 12896897 15172820 15399280 15639676 15873104 19549595 19841380 20451884 24061040 24276512 25564855 25793794 30345640 30798560 31279352 31746208 39099190 39682760 40903768 48122080 50828947 51129710 51587588 60691280 62558704 64484485 66468623 78198380 79365520 81807536 101657894 102259420 103175176 121382560 125117408 128968970 132937246 156396760 158731040 163615072 203315788 204518840 206350352 254144735 257937940 265874492 312793520 332343115 406631576 409037680 412700704 508289470 515875880 531748984 625587040 664686230 813263152 818075360 864092099 1016578940 1031751760 1063497968 1329372460 1626526304 1728184198 2033157880 2063503520 2126995936 2658744920 3456368396 4066315760 4320460495 5317489840 6912736792 8132631520 8640920990 10634979680 13825473584 17281841980 27650947168 34563683960 69127367920 138254735840
• Sum of all divisors σ(n): 380163702240
• Sum of proper divisors (its aliquot sum) s(n): 241908966400
• 138254735840 is an abundant number, because the sum of its proper divisors (241908966400) is greater than itself. Its abundance is 103654230560

Bases of 138254735840

• Binary: 10000000110000100111111101100111100000₂
• Hexadecimal: 0x20309FD9E0
• Base-36: 1RIHASWW

Squares and roots of 138254735840

• 138254735840 squared (138254735840²) is 19114371982188180505600
• 138254735840 cubed (138254735840³) is 2642652449144924080971965640704000
• The square root of 138254735840 is 371826.2172574709
• The cube root of 138254735840 is 5170.8269729567

Scales and comparisons

• 138,254,735,840 seconds is equal to 4,396 years, 3 weeks, 5 days, 13 hours, 17 minutes, 20 seconds.
• To count from 1 to 138,254,735,840 would take you about eight thousand, seven hundred ninety-two 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 138254735840 cubic inches would be around 430.9 feet tall.

Recreational maths with 138254735840

• 138254735840 backwards is 048537452831
• The number of decimal digits it has is: 12
• The sum of 138254735840's digits is 50
• More coming soon!