138782749140

Names of 138782749140

• Cardinal: 138782749140 can be written as One hundred thirty-eight billion, seven hundred eighty-two million, seven hundred forty-nine thousand, one hundred forty.

Scientific notation

• Scientific notation: 1.3878274914 × 10¹¹

Factors of 138782749140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 464843

Divisors of 138782749140

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 63 70 79 84 90 105 108 126 135 140 158 180 189 210 237 252 270 315 316 378 395 420 474 540 553 630 711 756 790 945 948 1106 1185 1260 1422 1580 1659 1890 2133 2212 2370 2765 2844 3318 3555 3780 4266 4740 4977 5530 6636 7110 8295 8532 9954 10665 11060 14220 14931 16590 19908 21330 24885 29862 33180 42660 49770 59724 74655 99540 149310 298620 464747 929494 1394241 1858988 2323735 2788482 3253229 4182723 4647470 5576964 6506458 6971205 8365446 9294940 9759687 12548169 13012916 13942410 16266145 16730892 19519374 20913615 25096338 27884820 29279061 32532290 36715013 39038748 41827230 48798435 50192676 58558122 62740845 65064580 73430026 83654460 87837183 97596870 110145039 117116244 125481690 146395305 146860052 175674366 183575065 195193740 220290078 250963380 257005091 292790610 330435117 351348732 367150130 439185915 440580156 514010182 550725195 585581220 660870234 734300260 771015273 878371830 991305351 1028020364 1101450390 1285025455 1321740468 1542030546 1652175585 1756743660 1982610702 2202900780 2313045819 2570050910 3084061092 3304351170 3855076365 3965221404 4626091638 4956526755 5140101820 6608702340 6939137457 7710152730 9252183276 9913053510 11565229095 13878274914 15420305460 19826107020 23130458190 27756549828 34695687285 46260916380 69391374570 138782749140
• Sum of all divisors σ(n): 499697049600
• Sum of proper divisors (its aliquot sum) s(n): 360914300460
• 138782749140 is an abundant number, because the sum of its proper divisors (360914300460) is greater than itself. Its abundance is 222131551320

Bases of 138782749140

• Binary: 10000001010000000110001011000111010100₂
• Hexadecimal: 0x205018B1D4
• Base-36: 1RR7NYL0

Squares and roots of 138782749140

• 138782749140 squared (138782749140²) is 19260651458856170739600
• 138782749140 cubed (138782749140³) is 2673046159687410975094915063944000
• The square root of 138782749140 is 372535.5676173753
• The cube root of 138782749140 is 5177.4013035541

Scales and comparisons

• 138,782,749,140 seconds is equal to 4,412 years, 44 weeks, 5 days, 19 hours, 39 minutes.
• To count from 1 to 138,782,749,140 would take you about eight thousand, eight hundred twenty-five 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 138782749140 cubic inches would be around 431.5 feet tall.

Recreational maths with 138782749140

• 138782749140 backwards is 041947287831
• 138782749140 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138782749140's digits is 54
• More coming soon!