138369579040

Names of 138369579040

• Cardinal: 138369579040 can be written as One hundred thirty-eight billion, three hundred sixty-nine million, five hundred seventy-nine thousand and forty.

Scientific notation

• Scientific notation: 1.3836957904 × 10¹¹

Factors of 138369579040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 145886

Divisors of 138369579040

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 5 7 8 10 11 14 16 20 22 28 32 35 40 44 49 55 56 70 77 80 88 98 110 112 121 140 154 160 176 196 220 224 242 245 280 308 352 385 392 440 484 490 539 560 605 616 770 784 847 880 968 980 1078 1120 1210 1232 1540 1568 1694 1760 1936 1960 2156 2420 2464 2695 3080 3388 3872 3920 4235 4312 4840 5390 5929 6160 6776 7840 8470 8624 9680 10780 11858 12320 13552 16940 17248 19360 21560 23716 27104 29645 33880 43120 47432 59290 67760 86240 94864 118580 135520 145861 189728 237160 291722 474320 583444 729305 948640 1021027 1166888 1458610 1604471 2042054 2333776 2917220 3208942 4084108 4667552 5105135 5834440 6417884 7147189 8022355 8168216 10210270 11231297 11668880 12835768 14294378 16044710 16336432 17649181 20420540 22462594 23337760 25671536 28588756 32089420 32672864 35298362 35735945 40841080 44925188 51343072 56156485 57177512 64178840 70596724 71471890 78619079 81682160 88245905 89850376 112312970 114355024 123544267 128357680 141193448 142943780 157238158 163364320 176491810 179700752 224625940 228710048 247088534 256715360 282386896 285887560 314476316 352983620 359401504 393095395 449251880 494177068 564773792 571775120 617721335 628952632 705967240 786190790 864809869 898503760 988354136 1143550240 1235442670 1257905264 1411934480 1572381580 1729619738 1797007520 1976708272 2470885340 2515810528 2823868960 3144763160 3459239476 3953416544 4324049345 4941770680 6289526320 6918478952 8648098690 9883541360 12579052640 13836957904 17296197380 19767082720 27673915808 34592394760 69184789520 138369579040
• Sum of all divisors σ(n): 417984772716
• Sum of proper divisors (its aliquot sum) s(n): 279615193676
• 138369579040 is an abundant number, because the sum of its proper divisors (279615193676) is greater than itself. Its abundance is 141245614636

Bases of 138369579040

• Binary: 10000000110111011110000011100000100000₂
• Hexadecimal: 0x2037783820
• Base-36: 1RKDOAHS

Squares and roots of 138369579040

• 138369579040 squared (138369579040²) is 19146140403706807321600
• 138369579040 cubed (138369579040³) is 2649243387901646584672181899264000
• The square root of 138369579040 is 371980.6164842463
• The cube root of 138369579040 is 5172.2583162495

Scales and comparisons

• 138,369,579,040 seconds is equal to 4,399 years, 37 weeks, 4 days, 18 hours, 10 minutes, 40 seconds.
• To count from 1 to 138,369,579,040 would take you about eight thousand, seven hundred ninety-nine 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 138369579040 cubic inches would be around 431 feet tall.

Recreational maths with 138369579040

• 138369579040 backwards is 040975963831
• 138369579040 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138369579040's digits is 55
• More coming soon!