138871738880

Names of 138871738880

• Cardinal: 138871738880 can be written as One hundred thirty-eight billion, eight hundred seventy-one million, seven hundred thirty-eight thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 1.3887173888 × 10¹¹

Factors of 138871738880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 29972

Divisors of 138871738880

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 37 40 49 56 64 70 74 80 98 112 128 140 148 160 185 196 224 245 256 259 280 296 320 370 392 448 490 512 518 560 592 640 740 784 896 980 1036 1120 1184 1280 1295 1480 1568 1792 1813 1960 2072 2240 2368 2560 2590 2960 3136 3584 3626 3920 4144 4480 4736 5180 5920 6272 7252 7840 8288 8960 9065 9472 10360 11840 12544 14504 15680 16576 17920 18130 18944 20720 23680 25088 29008 29921 31360 33152 36260 41440 47360 58016 59842 62720 66304 72520 82880 94720 116032 119684 125440 132608 145040 149605 165760 209447 232064 239368 290080 299210 331520 418894 464128 478736 580160 598420 663040 837788 928256 957472 1047235 1107077 1160320 1196840 1466129 1675576 1914944 2094470 2214154 2320640 2393680 2932258 3351152 3829888 4188940 4428308 4641280 4787360 5535385 5864516 6702304 7330645 7659776 7749539 8377880 8856616 9574720 11070770 11729032 13404608 14661290 15319552 15499078 16755760 17713232 19149440 22141540 23458064 26809216 29322580 30998156 33511520 35426464 38298880 38747695 44283080 46916128 53618432 54246773 58645160 61996312 67023040 70852928 76597760 77495390 88566160 93832256 107236864 108493546 117290320 123992624 134046080 141705856 154990780 177132320 187664512 216987092 234580640 247985248 268092160 271233865 283411712 309981560 354264640 375329024 433974184 469161280 495970496 536184320 542467730 566823424 619963120 708529280 750658048 867948368 938322560 991940992 1084935460 1239926240 1417058560 1735896736 1876645120 1983881984 2169870920 2479852480 2834117120 3471793472 3753290240 3967763968 4339741840 4959704960 6943586944 8679483680 9919409920 13887173888 17358967360 19838819840 27774347776 34717934720 69435869440 138871738880
• Sum of all divisors σ(n): 397810237176
• Sum of proper divisors (its aliquot sum) s(n): 258938498296
• 138871738880 is an abundant number, because the sum of its proper divisors (258938498296) is greater than itself. Its abundance is 120066759416

Bases of 138871738880

• Binary: 10000001010101011001101001001000000000₂
• Hexadecimal: 0x2055669200
• Base-36: 1RSONBI8

Squares and roots of 138871738880

• 138871738880 squared (138871738880²) is 19285359859554903654400
• 138871738880 cubed (138871738880³) is 2678191458622942053317394563072000
• The square root of 138871738880 is 372654.9863882141
• The cube root of 138871738880 is 5178.5076782219

Scales and comparisons

• 138,871,738,880 seconds is equal to 4,415 years, 35 weeks, 6 days, 19 hours, 1 minute, 20 seconds.
• To count from 1 to 138,871,738,880 would take you about eight thousand, eight hundred thirty-one 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 138871738880 cubic inches would be around 431.5 feet tall.

Recreational maths with 138871738880

• 138871738880 backwards is 088837178831
• The number of decimal digits it has is: 12
• The sum of 138871738880's digits is 62
• More coming soon!