4392138072

Names of 4392138072

• Cardinal: 4392138072 can be written as Four billion, three hundred ninety-two million, one hundred thirty-eight thousand and seventy-two.

Scientific notation

• Scientific notation: 4.392138072 × 10⁹

Factors of 4392138072

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 7
• Sum of prime factors: 62532

Divisors of 4392138072

• Number of divisors d(n): 64
• Complete list of divisors:
  1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 421 842 1263 1684 2526 2947 3368 5052 5894 8841 10104 11788 17682 23576 35364 62099 70728 124198 186297 248396 372594 434693 496792 745188 869386 1304079 1490376 1738772 2608158 3477544 5216316 10432632 26143679 52287358 78431037 104574716 156862074 183005753 209149432 313724148 366011506 549017259 627448296 732023012 1098034518 1464046024 2196069036 4392138072
• Sum of all divisors σ(n): 12578976000
• Sum of proper divisors (its aliquot sum) s(n): 8186837928
• 4392138072 is an abundant number, because the sum of its proper divisors (8186837928) is greater than itself. Its abundance is 3794699856

Bases of 4392138072

• Binary: 100000101110010101011010101011000₂
• Hexadecimal: 0x105CAB558
• Base-36: 20MYRFC

Squares and roots of 4392138072

• 4392138072 squared (4392138072²) is 19290876843511877184
• 4392138072 cubed (4392138072³) is 84728194626651701964034549248
• The square root of 4392138072 is 66273.2077992307
• The cube root of 4392138072 is 1637.6659828407

Scales and comparisons

• 4,392,138,072 seconds is equal to 139 years, 34 weeks, 22 hours, 21 minutes, 12 seconds.
• To count from 1 to 4,392,138,072 would take you about two hundred seventy-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 4392138072 cubic inches would be around 136.5 feet tall.

Recreational maths with 4392138072

• 4392138072 backwards is 2708312934
• The number of decimal digits it has is: 10
• The sum of 4392138072's digits is 39
• More coming soon!