138551040

Names of 138551040

• Cardinal: 138551040 can be written as One hundred thirty-eight million, five hundred fifty-one thousand and forty.

Scientific notation

• Scientific notation: 1.3855104 × 10⁸

Factors of 138551040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 240

Divisors of 138551040

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 32 36 38 40 45 48 54 57 60 64 72 76 80 90 95 96 108 114 120 128 135 144 152 160 171 180 190 192 211 216 228 240 256 270 285 288 304 320 342 360 380 384 422 432 456 480 513 540 570 576 608 633 640 684 720 760 768 844 855 864 912 960 1026 1055 1080 1140 1152 1216 1266 1280 1368 1440 1520 1688 1710 1728 1824 1899 1920 2052 2110 2160 2280 2304 2432 2532 2565 2736 2880 3040 3165 3376 3420 3456 3648 3798 3840 4009 4104 4220 4320 4560 4864 5064 5130 5472 5697 5760 6080 6330 6752 6840 6912 7296 7596 8018 8208 8440 8640 9120 9495 10128 10260 10944 11394 11520 12027 12160 12660 13504 13680 14592 15192 16036 16416 16880 17280 18240 18990 20045 20256 20520 21888 22788 24054 24320 25320 27008 27360 28485 30384 32072 32832 33760 34560 36081 36480 37980 40090 40512 41040 43776 45576 48108 50640 54016 54720 56970 60135 60768 64144 65664 67520 72162 72960 75960 80180 81024 82080 91152 96216 101280 108243 109440 113940 120270 121536 128288 131328 135040 144324 151920 160360 162048 164160 180405 182304 192432 202560 216486 218880 227880 240540 243072 256576 270080 288648 303840 320720 328320 360810 364608 384864 405120 432972 455760 481080 486144 513152 541215 577296 607680 641440 656640 721620 729216 769728 810240 865944 911520 962160 1026304 1082430 1154592 1215360 1282880 1443240 1458432 1539456 1731888 1823040 1924320 2164860 2309184 2430720 2565760 2886480 3078912 3463776 3646080 3848640 4329720 4618368 5131520 5772960 6927552 7292160 7697280 8659440 9236736 11545920 13855104 15394560 17318880 23091840 27710208 34637760 46183680 69275520 138551040
• Sum of all divisors σ(n): 519993600
• Sum of proper divisors (its aliquot sum) s(n): 381442560
• 138551040 is an abundant number, because the sum of its proper divisors (381442560) is greater than itself. Its abundance is 242891520

Bases of 138551040

• Binary: 1000010000100001111100000000₂
• Hexadecimal: 0x8421F00
• Base-36: 2AHMO0

Squares and roots of 138551040

• 138551040 squared (138551040²) is 19196390685081600
• 138551040 cubed (138551040³) is 2659679893664368164864000
• The square root of 138551040 is 11770.7705780039
• The cube root of 138551040 is 517.4518333661

Scales and comparisons

• 138,551,040 seconds is equal to 4 years, 21 weeks, 14 hours, 24 minutes.
• To count from 1 to 138,551,040 would take you about six 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 138551040 cubic inches would be around 43.1 feet tall.

Recreational maths with 138551040

• 138551040 backwards is 040155831
• 138551040 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 138551040's digits is 27
• More coming soon!