3938400343429020

Names of 3938400343429020

• Cardinal: 3938400343429020 can be written as Three quadrillion, nine hundred thirty-eight trillion, four hundred billion, three hundred forty-three million, four hundred twenty-nine thousand and twenty.

Scientific notation

• Scientific notation: 3.93840034342902 × 10¹⁵

Factors of 3938400343429020

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 24230345473

Divisors of 3938400343429020

• 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 43 45 54 60 63 70 84 86 90 105 108 126 129 135 140 172 180 189 210 215 252 258 270 301 315 378 387 420 430 516 540 602 630 645 756 774 860 903 945 1161 1204 1260 1290 1505 1548 1806 1890 1935 2322 2580 2709 3010 3612 3780 3870 4515 4644 5418 5805 6020 7740 8127 9030 10836 11610 13545 16254 18060 23220 27090 32508 40635 54180 81270 162540 24230345413 48460690826 72691036239 96921381652 121151727065 145382072478 169612417891 218073108717 242303454130 290764144956 339224835782 363455181195 436146217434 484606908260 508837253673 654219326151 678449671564 726910362390 848062089455 872292434868 1017674507346 1041904852759 1090365543585 1308438652302 1453820724780 1526511761019 1696124178910 2035349014692 2083809705518 2180731087170 2544186268365 2616877304604 3053023522038 3125714558277 3271096630755 3392248357820 4167619411036 4361462174340 4579535283057 5088372536730 5209524263795 6106047044076 6251429116554 6542193261510 7293333969313 7632558805095 9159070566114 9377143674831 10176745073460 10419048527590 12502858233108 13084386523020 14586667938626 15265117610190 15628572791385 18318141132228 18754287349662 20838097055180 21880001907939 22897676415285 28131431024493 29173335877252 30530235220380 31257145582770 36466669846565 37508574699324 43760003815878 45795352830570 46885718374155 56262862048986 62514291165540 65640005723817 72933339693130 87520007631756 91590705661140 93771436748310 109400009539695 112525724097972 131280011447634 140657155122465 145866679386260 187542873496620 196920017171451 218800019079390 262560022895268 281314310244930 328200028619085 393840034342902 437600038158780 562628620489860 656400057238170 787680068685804 984600085857255 1312800114476340 1969200171714510 3938400343429020
• Sum of all divisors σ(n): 14328857064023040
• Sum of proper divisors (its aliquot sum) s(n): 10390456720594020
• 3938400343429020 is an abundant number, because the sum of its proper divisors (10390456720594020) is greater than itself. Its abundance is 6452056377165000

Bases of 3938400343429020

• Binary: 1101111111011111010001001001011101000000111110011100₂
• Hexadecimal: 0xDFDF449740F9C
• Base-36: 12S1O51ZSF0

Squares and roots of 3938400343429020

• 3938400343429020 squared (3938400343429020²) is 15510997265121822679491778160400
• 3938400343429020 cubed (3938400343429020³) is 61088516955882376424378162538554831683574808000
• The square root of 3938400343429020 is 62756675.6881610165
• The cube root of 3938400343429020 is 157921.0247762491

Scales and comparisons

• 3,938,400,343,429,020 seconds is equal to 125,228,948 years, 33 weeks, 5 days, 4 hours, 57 minutes.
• To count from 1 to 3,938,400,343,429,020 would take you about three hundred seventy-five million, six hundred eighty-six thousand, eight hundred forty-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 3938400343429020 cubic inches would be around 13160.1 feet tall.

Recreational maths with 3938400343429020

• 3938400343429020 backwards is 0209243430048393
• 3938400343429020 is a Harshad number.
• The number of decimal digits it has is: 16
• The sum of 3938400343429020's digits is 54
• More coming soon!