31139972 (number)

31139972 is an even 8-digits composite number following 31139971 and preceding 31139973. In scientific notation, it is written as 3.1139972 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 6 positive divisors. There are 15569984 positive integers (up to 31139972) that are relatively prime to 31139972.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred thirty-nine thousand nine hundred seventy-two

Notation

Scientific notation 3.1139972 × 10^7
Engineering notation 3.1139972 × 10^6

Prime Factorization of 31139972

Prime Factorization 2 × 2 × 7784993

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 15569986
Product of the distinct prime numbers

The prime factorization of 31139972 is 2 × 2 × 7784993. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31139972)

Multiplication

n×y
n×2 62279944
n×3 93419916
n×4 124559888
n×5 155699860

Division

n÷y
n÷2 15569986
n÷3 10379990.666667
n÷3 7784993
n÷5 6227994.4

Exponentiation

ny
n2 969697856160784
n3 3.0196364089307E+22
n4 9.4031393224282E+29
n5 2.9281349521251E+37

Nth Root

y√n
2√n 5580.3200625054
3√n 314.61015685005
4√n 74.701539893803
5√n 31.52562051867

Divisors of 31139972

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31139971
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 1
Returns the nth root of the product of n divisors
H Harmonic Mean 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31139972 can be divided by 6 positive divisors. The sum of these divisors (counting 31139972) is 1, the average is 0.16666666666667.

Base conversion 31139972

Base System Value
2 Binary 1110110110010100010000100
3 Ternary 2011121002000022
4 Quaternary 1312302202010
5 Quinary 30432434342
6 Senary 3031234312
8 Octal 166624204
10 Decimal 31139972
12 Duodecimal a518998
16 Hexadecimal 1db2884
20 Vigesimal 9ec9ic
36 Base36 ijfr8

Cryptographic Hash Functions

md5 0ec672df82ab00b4c827649600b6a4f0
sha1 c99cc5a6069c8766492b2d73002c4282e9a08c6b
sha256 7b271bb31f570dc58bf895f760d067cee298755a97f95ac6c958b48ed5e23a64
sha512 4a6a740c4171ffe65b0e37acc641f83220a30eff3153d32d8af32800d3dbb0b6dc75e6c815dc85367a92827e9534e62f8e381535f58d920a389fb17c786783e2
ripemd-160 31d012f12f09e1ac949d75bda322406653743843

31139972 as geometric shapes

Circle

Radius = n
Diameter 62279944
Circumference 195658214.53638
Area 3.0463956611165E+15

Sphere

Radius = n
Volume 1.2648623411745E+23
Surface area 1.2185582644466E+16
Circumference 195658214.53638

Square

Length = n
Perimeter 124559888
Area 969697856160784
Diagonal 44038570.734318

Cube

Length = n
Surface area 5818187136964704
Volume 3.0196364089307E+22
Space diagonal 53936013.650272

Equilateral Triangle

Length = n
Perimeter 93419916
Area 4.1989148871527E+14
Altitude 26968006.825136

Triangular Pyramid

Length = n
Surface area 4.1989148871527E+14
Volume 3.5586756357878E+21
Height 14679523.578106