31189991 (number)

31189991 is an odd 8-digits composite number following 31189990 and preceding 31189992. In scientific notation, it is written as 3.1189991 × 10^7. The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors. There are 26703648 positive integers (up to 31189991) that are relatively prime to 31189991.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred eighty-nine thousand nine hundred ninety-one

Notation

Scientific notation 3.1189991 × 10^7
Engineering notation 3.1189991 × 10^6

Prime Factorization of 31189991

Prime Factorization 7 × 3989 × 1117

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31189991
Product of the distinct prime numbers

The prime factorization of 31189991 is 7 × 3989 × 1117. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31189991)

Multiplication

n×y
n×2 62379982
n×3 93569973
n×4 124759964
n×5 155949955

Division

n÷y
n÷2 15594995.5
n÷3 10396663.666667
n÷3 7797497.75
n÷5 6237998.2

Exponentiation

ny
n2 972815538580081
n3 3.0342107892973E+22
n4 9.4637007210285E+29
n5 2.9517274031557E+37

Nth Root

y√n
2√n 5584.7999964189
3√n 314.77851567515
4√n 74.731519430685
5√n 31.535741708465

Divisors of 31189991

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 -31189990
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 31189991 can be divided by 8 positive divisors. The sum of these divisors (counting 31189991) is 1, the average is 0.125.

Base conversion 31189991

Base System Value
2 Binary 1110110111110101111100111
3 Ternary 2011200121121212
4 Quaternary 1312332233213
5 Quinary 30441034431
6 Senary 3032302035
8 Octal 166765747
10 Decimal 31189991
12 Duodecimal a54191b
16 Hexadecimal 1dbebe7
20 Vigesimal 9eiejb
36 Base36 ikicn

Cryptographic Hash Functions

md5 ad168e2ea79da49001e406058f756e48
sha1 8f9d41f64713c0785be9bd7caf87b828664f5a7a
sha256 5c3646035b9142a106fa475d5c8a12fdce7a2f3793054741fac9f0b0cf3a65b4
sha512 30bb7af6d7184995e286bab17dbb61548bc7b3606c70a830441b707e3dda3db82f6e759a0dab051ed9ea425c51b076887d4eb0df592e2b3e57e68646b8fd49cc
ripemd-160 79a30c857155f58da551c3c85d4828076988ef4a

31189991 as geometric shapes

Circle

Radius = n
Diameter 62379982
Circumference 195972493.18226
Area 3.0561901493012E+15

Sphere

Radius = n
Volume 1.2709672433466E+23
Surface area 1.2224760597205E+16
Circumference 195972493.18226

Square

Length = n
Perimeter 124759964
Area 972815538580081
Diagonal 44109308.282495

Cube

Length = n
Surface area 5836893231480486
Volume 3.0342107892973E+22
Space diagonal 54022649.099616

Equilateral Triangle

Length = n
Perimeter 93569973
Area 4.212414848033E+14
Altitude 27011324.549808

Triangular Pyramid

Length = n
Surface area 4.212414848033E+14
Volume 3.5758517077692E+21
Height 14703102.760832