138920526240

Names of 138920526240

• Cardinal: 138920526240 can be written as One hundred thirty-eight billion, nine hundred twenty million, five hundred twenty-six thousand, two hundred forty.

Scientific notation

• Scientific notation: 1.3892052624 × 10¹¹

Factors of 138920526240

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 151723

Divisors of 138920526240

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 23 24 30 32 40 46 48 60 69 80 83 92 96 115 120 138 160 166 184 230 240 249 276 332 345 368 415 460 480 498 552 664 690 736 830 920 996 1104 1245 1328 1380 1660 1840 1909 1992 2208 2490 2656 2760 3320 3680 3818 3984 4980 5520 5727 6640 7636 7968 9545 9960 11040 11454 13280 15272 19090 19920 22908 28635 30544 38180 39840 45816 57270 61088 76360 91632 114540 151607 152720 183264 229080 303214 305440 454821 458160 606428 758035 909642 916320 1212856 1516070 1819284 2274105 2425712 3032140 3486961 3638568 4548210 4851424 6064280 6973922 7277136 9096420 10460883 12128560 12583381 13947844 14554272 17434805 18192840 20921766 24257120 25166762 27895688 34869610 36385680 37750143 41843532 50333524 52304415 55791376 62916905 69739220 72771360 75500286 83687064 100667048 104608830 111582752 125833810 139478440 151000572 167374128 188750715 201334096 209217660 251667620 278956880 289417763 302001144 334748256 377501430 402668192 418435320 503335240 557913760 578835526 604002288 755002860 836870640 868253289 1006670480 1157671052 1208004576 1447088815 1510005720 1673741280 1736506578 2013340960 2315342104 2894177630 3020011440 3473013156 4341266445 4630684208 5788355260 6040022880 6946026312 8682532890 9261368416 11576710520 13892052624 17365065780 23153421040 27784105248 34730131560 46306842080 69460263120 138920526240
• Sum of all divisors σ(n): 462130292736
• Sum of proper divisors (its aliquot sum) s(n): 323209766496
• 138920526240 is an abundant number, because the sum of its proper divisors (323209766496) is greater than itself. Its abundance is 184289240256

Bases of 138920526240

• Binary: 10000001011000010011110000000110100000₂
• Hexadecimal: 0x20584F01A0
• Base-36: 1RTHP02O

Squares and roots of 138920526240

• 138920526240 squared (138920526240²) is 19298912610798528537600
• 138920526240 cubed (138920526240³) is 2681015095751903891061049626624000
• The square root of 138920526240 is 372720.4397936877
• The cube root of 138920526240 is 5179.1140318263

Scales and comparisons

• 138,920,526,240 seconds is equal to 4,417 years, 12 weeks, 4 days, 11 hours, 4 minutes.
• To count from 1 to 138,920,526,240 would take you about eight thousand, eight hundred thirty-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 138920526240 cubic inches would be around 431.6 feet tall.

Recreational maths with 138920526240

• 138920526240 backwards is 042625029831
• The number of decimal digits it has is: 12
• The sum of 138920526240's digits is 42
• More coming soon!