31156961 (number)

31156961 is an odd 8-digits composite number following 31156960 and preceding 31156962. In scientific notation, it is written as 3.1156961 × 10^7. The sum of its digits is 32. It has a total of 3 prime factors and 8 positive divisors. There are 28149120 positive integers (up to 31156961) that are relatively prime to 31156961.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred fifty-six thousand nine hundred sixty-one

Notation

Scientific notation 3.1156961 × 10^7
Engineering notation 3.1156961 × 10^6

Prime Factorization of 31156961

Prime Factorization 163 × 11 × 17377

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31156961
Product of the distinct prime numbers

The prime factorization of 31156961 is 163 × 11 × 17377. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31156961)

Multiplication

n×y
n×2 62313922
n×3 93470883
n×4 124627844
n×5 155784805

Division

n÷y
n÷2 15578480.5
n÷3 10385653.666667
n÷3 7789240.25
n÷5 6231392.2

Exponentiation

ny
n2 970756218755521
n3 3.0245813648273E+22
n4 9.4236763625252E+29
n5 2.9361311690382E+37

Nth Root

y√n
2√n 5581.8420794573
3√n 314.66736028666
4√n 74.71172651905
5√n 31.529059647806

Divisors of 31156961

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31156960
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31156961 can be divided by 8 positive divisors. The sum of these divisors (counting 31156961) is 1, the average is 0.125.

Base conversion 31156961

Base System Value
2 Binary 1110110110110101011100001
3 Ternary 2011121221022112
4 Quaternary 1312312223201
5 Quinary 30434010321
6 Senary 3031445105
8 Octal 166665341
10 Decimal 31156961
12 Duodecimal a526795
16 Hexadecimal 1db6ae1
20 Vigesimal 9eec81
36 Base36 ijsv5

Cryptographic Hash Functions

md5 f77caad5030ad8da23a41799386424b0
sha1 aa7be6bf17557b07b86be9110ef712e23cbb4b6d
sha256 8f9813b4fd9b7afeeb496e13ed40ba2f663c93763ca5ff45b09096c9e1b3331f
sha512 9dade6cb1819565770c18472ee7e7c4da1621ba158a8e514f94c94c9a9860de5597caa950f74045a064eaa9639b53234c055f4550e7f0576d48c28d98ad9fba7
ripemd-160 f68e2b320c7a592114c3b7a282e52a8266b7e9f6

31156961 as geometric shapes

Circle

Radius = n
Diameter 62313922
Circumference 195764959.57157
Area 3.049720605269E+15

Sphere

Radius = n
Volume 1.2669336794568E+23
Surface area 1.2198882421076E+16
Circumference 195764959.57157

Square

Length = n
Perimeter 124627844
Area 970756218755521
Diagonal 44062596.80853

Cube

Length = n
Surface area 5824537312533126
Volume 3.0245813648273E+22
Space diagonal 53965439.461442

Equilateral Triangle

Length = n
Perimeter 93470883
Area 4.20349773162E+14
Altitude 26982719.730721

Triangular Pyramid

Length = n
Surface area 4.20349773162E+14
Volume 3.5645033221998E+21
Height 14687532.26951