19490972040

Names of 19490972040

• Cardinal: 19490972040 can be written as Nineteen billion, four hundred ninety million, nine hundred seventy-two thousand and forty.

Scientific notation

• Scientific notation: 1.949097204 × 10¹⁰

Factors of 19490972040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 195744

Divisors of 19490972040

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 20 24 30 36 40 45 60 72 90 120 180 277 360 554 831 1108 1385 1662 2216 2493 2770 3324 4155 4986 5540 6648 8310 9972 11080 12465 16620 19944 24930 33240 49860 99720 195457 390914 586371 781828 977285 1172742 1563656 1759113 1954570 2345484 2931855 3518226 3909140 4690968 5863710 7036452 7818280 8795565 11727420 14072904 17591130 23454840 35182260 54141589 70364520 108283178 162424767 216566356 270707945 324849534 433132712 487274301 541415890 649699068 812123835 974548602 1082831780 1299398136 1624247670 1949097204 2165663560 2436371505 3248495340 3898194408 4872743010 6496990680 9745486020 19490972040
• Sum of all divisors σ(n): 63574669080
• Sum of proper divisors (its aliquot sum) s(n): 44083697040
• 19490972040 is an abundant number, because the sum of its proper divisors (44083697040) is greater than itself. Its abundance is 24592725000

Bases of 19490972040

• Binary: 10010001001110000001010000110001000₂
• Hexadecimal: 0x489C0A188
• Base-36: 8YCF6A0

Squares and roots of 19490972040

• 19490972040 squared (19490972040²) is 379897991064061761600
• 19490972040 cubed (19490972040³) is 7404581121881797644178745664000
• The square root of 19490972040 is 139610.0714132041
• The cube root of 19490972040 is 2691.1908621965

Scales and comparisons

• 19,490,972,040 seconds is equal to 619 years, 39 weeks, 22 hours, 54 minutes.
• To count from 1 to 19,490,972,040 would take you about one thousand, two hundred thirty-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 19490972040 cubic inches would be around 224.3 feet tall.

Recreational maths with 19490972040

• 19490972040 backwards is 04027909491
• 19490972040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19490972040's digits is 45
• More coming soon!