31181930 (number)

31181930 is an even 8-digits composite number following 31181929 and preceding 31181931. In scientific notation, it is written as 3.1181930 × 10^7. The sum of its digits is 26. It has a total of 5 prime factors and 32 positive divisors. There are 11419200 positive integers (up to 31181930) that are relatively prime to 31181930.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1181930 × 10^7
Engineering notation 3.1181930 × 10^6

Prime Factorization of 31181930

Prime Factorization 2 × 13 × 5 × 131 × 1831

Composite number
ω Distinct Factors 5
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 31181930
Product of the distinct prime numbers

The prime factorization of 31181930 is 2 × 13 × 5 × 131 × 1831. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31181930)

Multiplication

n×y
n×2 62363860
n×3 93545790
n×4 124727720
n×5 155909650

Division

n÷y
n÷2 15590965
n÷3 10393976.666667
n÷3 7795482.5
n÷5 6236386

Exponentiation

ny
n2 972312758524900
n3 3.031858837443E+22
n4 9.453921003903E+29
n5 2.9479150296923E+37

Nth Root

y√n
2√n 5584.0782587639
3√n 314.75139534837
4√n 74.726690404192
5√n 31.534111468187

Divisors of 31181930

32 divisors

τ Total Divisors 32
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31181929
Sum of the proper positive divisors of n
A Arithmetic Mean 0.03125
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 32
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31181930 can be divided by 32 positive divisors. The sum of these divisors (counting 31181930) is 1, the average is 0.03125.

Base conversion 31181930

Base System Value
2 Binary 1110110111100110001101010
3 Ternary 2011200012120022
4 Quaternary 1312330301222
5 Quinary 30440310210
6 Senary 3032200442
8 Octal 166746152
10 Decimal 31181930
12 Duodecimal a539122
16 Hexadecimal 1dbcc6a
20 Vigesimal 9ehega
36 Base36 ikc4q

Cryptographic Hash Functions

md5 597819de7c6c0fd34474dbf207130ac8
sha1 5cbc55e51dda1c7aabc71309fb3fda25bffaff58
sha256 98c8ea57fde667eef49ceffe3f3a401eab9742de52a7cb332c395a0fb3311b48
sha512 b7c566091f487825892fe4631aafffaf359ae37e50715451c718e95294bd7597ec8ee68df775411a5c9e852985b9bd4a12f619bba6e1a4bcadd9dcdb38c3f41e
ripemd-160 0803bd160821871d388dbe1bf375dbaa85ac10a9

31181930 as geometric shapes

Circle

Radius = n
Diameter 62363860
Circumference 195921844.4255
Area 3.0546106191735E+15

Sphere

Radius = n
Volume 1.2699820600576E+23
Surface area 1.2218442476694E+16
Circumference 195921844.4255

Square

Length = n
Perimeter 124727720
Area 972312758524900
Diagonal 44097908.306968

Cube

Length = n
Surface area 5833876551149400
Volume 3.031858837443E+22
Space diagonal 54008687.038056

Equilateral Triangle

Length = n
Perimeter 93545790
Area 4.2102377465314E+14
Altitude 27004343.519028

Triangular Pyramid

Length = n
Surface area 4.2102377465314E+14
Volume 3.5730799059272E+21
Height 14699302.768989