138642363860

Names of 138642363860

• Cardinal: 138642363860 can be written as One hundred thirty-eight billion, six hundred forty-two million, three hundred sixty-three thousand, eight hundred sixty.

Scientific notation

• Scientific notation: 1.3864236386 × 10¹¹

Factors of 138642363860

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 81

Divisors of 138642363860

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 4 5 7 10 11 13 14 20 22 26 28 35 43 44 52 55 65 70 77 86 91 110 121 130 140 143 154 172 182 215 220 242 260 286 301 308 364 385 430 455 473 484 559 572 602 605 715 770 847 860 910 946 1001 1118 1204 1210 1331 1430 1505 1540 1573 1694 1820 1892 2002 2236 2365 2420 2662 2795 2860 3010 3146 3311 3388 3913 4004 4235 4730 5005 5203 5324 5590 6020 6149 6292 6622 6655 7826 7865 8470 9317 9460 10010 10406 11011 11180 12298 13244 13310 14641 15652 15730 16555 16940 17303 18634 19565 20020 20812 22022 24596 26015 26620 29282 30745 31460 33110 34606 36421 37268 39130 43043 44044 46585 52030 55055 57233 58564 61490 66220 67639 69212 72842 73205 78260 86086 86515 93170 102487 104060 110110 114466 121121 122980 135278 145684 146410 161051 172172 173030 182105 186340 190333 204974 215215 220220 228932 242242 270556 286165 292820 322102 338195 346060 364210 380666 400631 409948 430430 473473 484484 512435 572330 605605 629563 644204 676390 728420 744029 761332 801262 805255 860860 946946 951665 1024870 1127357 1144660 1211210 1259126 1332331 1352780 1488058 1602524 1610510 1771561 1893892 1903330 2003155 2049740 2093663 2254714 2367365 2422420 2518252 2664662 2976116 3147815 3221020 3543122 3720145 3806660 4006310 4187326 4406941 4509428 4734730 5208203 5329324 5636785 6295630 6661655 6925193 7086244 7440290 8012620 8184319 8374652 8813882 8857805 9469460 10416406 10468315 11273570 12400927 12591260 13323310 13850386 14655641 14880580 16368638 17627764 17715610 20832812 20936630 22034705 22547140 23030293 24801854 26041015 26646620 27700772 29311282 32737276 34625965 35431220 40921595 41873260 44069410 46060586 48476351 49603708 52082030 57290233 58622564 62004635 69251930 73278205 76177123 81843190 88138820 90027509 92121172 96952702 104164060 114580466 115151465 124009270 138503860 146556410 152354246 161212051 163686380 180055018 193905404 229160932 230302930 242381755 248018540 286451165 293112820 304708492 322424102 360110036 380885615 450137545 460605860 484763510 533239861 572902330 630192563 644848204 761771230 806060255 900275090 969527020 990302599 1066479722 1145804660 1260385126 1523542460 1612120510 1800550180 1980605198 2132959444 2520770252 2666199305 3150962815 3224241020 3961210396 4951512995 5332398610 6301925630 6932118193 9903025990 10664797220 12603851260 13864236386 19806051980 27728472772 34660590965 69321181930 138642363860
• Sum of all divisors σ(n): 403337649792
• Sum of proper divisors (its aliquot sum) s(n): 264695285932
• 138642363860 is an abundant number, because the sum of its proper divisors (264695285932) is greater than itself. Its abundance is 126052922072

Bases of 138642363860

• Binary: 10000001000111101110101001010111010100₂
• Hexadecimal: 0x2047BA95D4
• Base-36: 1ROW30LW

Squares and roots of 138642363860

• 138642363860 squared (138642363860²) is 19221705056688634099600
• 138642363860 cubed (138642363860³) is 2664942626479027535563146680456000
• The square root of 138642363860 is 372347.1013181115
• The cube root of 138642363860 is 5175.6549862619

Scales and comparisons

• 138,642,363,860 seconds is equal to 4,408 years, 20 weeks, 4 days, 23 hours, 44 minutes, 20 seconds.
• To count from 1 to 138,642,363,860 would take you about eight thousand, eight hundred sixteen 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 138642363860 cubic inches would be around 431.3 feet tall.

Recreational maths with 138642363860

• 138642363860 backwards is 068363246831
• The number of decimal digits it has is: 12
• The sum of 138642363860's digits is 50
• More coming soon!