139213920

Names of 139213920

• Cardinal: 139213920 can be written as One hundred thirty-nine million, two hundred thirteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.3921392 × 10⁸

Factors of 139213920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 249

Divisors of 139213920

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 29 30 32 40 48 58 60 73 80 87 96 116 120 137 145 146 160 174 219 232 240 274 290 292 348 365 411 435 438 464 480 548 580 584 685 696 730 822 870 876 928 1095 1096 1160 1168 1370 1392 1460 1644 1740 1752 2055 2117 2190 2192 2320 2336 2740 2784 2920 3288 3480 3504 3973 4110 4234 4380 4384 4640 5480 5840 6351 6576 6960 7008 7946 8220 8468 8760 10001 10585 10960 11680 11919 12702 13152 13920 15892 16440 16936 17520 19865 20002 21170 21920 23838 25404 30003 31755 31784 32880 33872 35040 39730 40004 42340 47676 50005 50808 59595 60006 63510 63568 65760 67744 79460 80008 84680 95352 100010 101616 119190 120012 127020 127136 150015 158920 160016 169360 190704 200020 203232 238380 240024 254040 290029 300030 317840 320032 338720 381408 400040 476760 480048 508080 580058 600060 635680 800080 870087 953520 960096 1016160 1160116 1200120 1450145 1600160 1740174 1907040 2320232 2400240 2900290 3480348 4350435 4640464 4800480 5800580 6960696 8700870 9280928 11601160 13921392 17401740 23202320 27842784 34803480 46404640 69606960 139213920
• Sum of all divisors σ(n): 463216320
• Sum of proper divisors (its aliquot sum) s(n): 324002400
• 139213920 is an abundant number, because the sum of its proper divisors (324002400) is greater than itself. Its abundance is 184788480

Bases of 139213920

• Binary: 1000010011000011110001100000₂
• Hexadecimal: 0x84C3C60
• Base-36: 2AVU5C

Squares and roots of 139213920

• 139213920 squared (139213920²) is 19380515521766400
• 139213920 cubed (139213920³) is 2698037537405945868288000
• The square root of 139213920 is 11798.8948635033
• The cube root of 139213920 is 518.2757484945

Scales and comparisons

• 139,213,920 seconds is equal to 4 years, 22 weeks, 1 day, 6 hours, 32 minutes.
• To count from 1 to 139,213,920 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 139213920 cubic inches would be around 43.2 feet tall.

Recreational maths with 139213920

• 139213920 backwards is 029312931
• 139213920 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 139213920's digits is 30
• More coming soon!