31123921 (number)

31123921 is an odd 8-digits composite number following 31123920 and preceding 31123922. In scientific notation, it is written as 3.1123921 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 30748852 positive integers (up to 31123921) that are relatively prime to 31123921.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred twenty-three thousand nine hundred twenty-one

Notation

Scientific notation 3.1123921 × 10^7
Engineering notation 3.1123921 × 10^6

Prime Factorization of 31123921

Prime Factorization 83 × 374987

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31123921
Product of the distinct prime numbers

The prime factorization of 31123921 is 83 × 374987. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31123921)

Multiplication

n×y
n×2 62247842
n×3 93371763
n×4 124495684
n×5 155619605

Division

n÷y
n÷2 15561960.5
n÷3 10374640.333333
n÷3 7780980.25
n÷5 6224784.2

Exponentiation

ny
n2 968698458414241
n3 3.0149694292507E+22
n4 9.3837670333413E+29
n5 2.9205962382812E+37

Nth Root

y√n
2√n 5578.881697975
3√n 314.5560926234
4√n 74.691911864505
5√n 31.522369892129

Divisors of 31123921

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31123920
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31123921 can be divided by 4 positive divisors. The sum of these divisors (counting 31123921) is 1, the average is 0.25.

Base conversion 31123921

Base System Value
2 Binary 1110110101110100111010001
3 Ternary 2011120020222211
4 Quaternary 1312232213101
5 Quinary 30431431141
6 Senary 3031032121
8 Octal 166564721
10 Decimal 31123921
12 Duodecimal a50b641
16 Hexadecimal 1dae9d1
20 Vigesimal 9ea9g1
36 Base36 ij3dd

Cryptographic Hash Functions

md5 3a0ed418f0fb27819ab70ba09d4252d7
sha1 22044906b3cf8f0897cd0fe0ab000a6ecceca463
sha256 fb2e0a1ee5d09925bcdfda009b48d4f1cf8cef7478293382df62aa362511d8dd
sha512 248683aa70ece4b7049d2a2d2de619456475f02d9c82fa3658c8483c4c496da0b79a860c11aaf2f5284565a6df014c3216ff51ee1d1e9e49540b875e0d3a5f67
ripemd-160 88c59e907a48fc412ec15d8cca612f34a8d41c6a

31123921 as geometric shapes

Circle

Radius = n
Diameter 62247842
Circumference 195557363.12902
Area 3.0432559604979E+15

Sphere

Radius = n
Volume 1.2629074412976E+23
Surface area 1.2173023841992E+16
Circumference 195557363.12902

Square

Length = n
Perimeter 124495684
Area 968698458414241
Diagonal 44015871.192429

Cube

Length = n
Surface area 5812190750485446
Volume 3.0149694292507E+22
Space diagonal 53908212.50276

Equilateral Triangle

Length = n
Perimeter 93371763
Area 4.1945873679678E+14
Altitude 26954106.25138

Triangular Pyramid

Length = n
Surface area 4.1945873679678E+14
Volume 3.5531755474888E+21
Height 14671957.064143