31972018 (number)

31972018 is an even 8-digits composite number following 31972017 and preceding 31972019. In scientific notation, it is written as 3.1972018 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 14722560 positive integers (up to 31972018) that are relatively prime to 31972018.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 3.1972018 × 10^7
Engineering notation 3.1972018 × 10^6

Prime Factorization of 31972018

Prime Factorization 2 × 13 × 541 × 2273

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 31972018
Product of the distinct prime numbers

The prime factorization of 31972018 is 2 × 13 × 541 × 2273. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 7, 25, 72, 656, 900, 2370, 9358, 91467, 66449, 663144, 160725, 3011107, 9178320, 78394856, 69317230, 831226886, 244712210, 6777277110, 4386848656

Basic calculations (n = 31972018)

Multiplication

n×y
n×2 63944036
n×3 95916054
n×4 127888072
n×5 159860090

Division

n÷y
n÷2 15986009
n÷3 10657339.333333
n÷3 7993004.5
n÷5 6394403.6

Exponentiation

ny
n2 1022209934992324
n3 3.2682114441353E+22
n4 1.044913151197E+30
n5 3.3407982078508E+37

Nth Root

y√n
2√n 5654.3804258292
3√n 317.38764454022
4√n 75.195614405557
5√n 31.692318349042

Divisors of 31972018

1, 2, 13, 26, 541, 1082, 2273, 4546, 7033, 14066, 29549, 59098, 1229693, 2459386, 15986009, 31972018

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31972017
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31972018 can be divided by 16 positive divisors. The sum of these divisors (counting 31972018) is 1, the average is 0.0625.

Base conversion 31972018

Base System Value
2 Binary 1111001111101101010110010
3 Ternary 2020011100100211
4 Quaternary 1321331222302
5 Quinary 31141101033
6 Senary 3101134334
8 Octal 171755262
10 Decimal 31972018
12 Duodecimal a85a3aa
16 Hexadecimal 1e7dab2
20 Vigesimal 9jga0i
36 Base36 j19rm

Cryptographic Hash Functions

md5 485299de3faeac8d5bb9d1700707105e
sha1 c6b7b08a2e2372b529b01ca7b4f7482fdc648846
sha256 d45fc0552bfc8f74d864c9298cba3c23f4627705586198290277239295caff72
sha512 e0143786a49d841a0b58afe2ad3cd0316b4b100f65dfd74212a612fb2c5dd70efd5af3e670e792bd04315a851d0346df81758403ddb62a0830ef3d192c877077
ripemd-160 6821daf775c433460c1129b54b5dfd8143eed577

31972018 as geometric shapes

Circle

Radius = n
Diameter 63944036
Circumference 200886113.73848
Area 3.2113672221984E+15

Sphere

Radius = n
Volume 1.3689852084365E+23
Surface area 1.2845468888794E+16
Circumference 200886113.73848

Square

Length = n
Perimeter 127888072
Area 1022209934992324
Diagonal 45215261.472037

Cube

Length = n
Surface area 6133259609953944
Volume 3.2682114441353E+22
Space diagonal 55377159.596507

Equilateral Triangle

Length = n
Perimeter 95916054
Area 4.426298858521E+14
Altitude 27688579.798253

Triangular Pyramid

Length = n
Surface area 4.426298858521E+14
Volume 3.851624124166E+21
Height 15071753.824012