31387072 (number)

31387072 is an even 8-digits composite number following 31387071 and preceding 31387073. In scientific notation, it is written as 3.1387072 × 10^7. The sum of its digits is 31. It has a total of 8 prime factors and 28 positive divisors. There are 15641600 positive integers (up to 31387072) that are relatively prime to 31387072.

Interesting facts

Basic properties

Name

Name thirty-one million three hundred eighty-seven thousand seventy-two

Notation

Scientific notation 3.1387072 × 10^7
Engineering notation 3.1387072 × 10^6

Prime Factorization of 31387072

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 401 × 1223

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 980846
Product of the distinct prime numbers

The prime factorization of 31387072 is 2 × 2 × 2 × 2 × 2 × 2 × 401 × 1223. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 5, 26, 94, 112, 3, 2500, 80, 6524, 81988, 408704, 896250, 6316812, 8858011, 85371013, 42724136, 697835523, 442454956, 5035579179, 8176019111

Basic calculations (n = 31387072)

Multiplication

n×y
n×2 62774144
n×3 94161216
n×4 125548288
n×5 156935360

Division

n÷y
n÷2 15693536
n÷3 10462357.333333
n÷3 7846768
n÷5 6277414.4

Exponentiation

ny
n2 985148288733184
n3 3.0920920269145E+22
n4 9.7051715079392E+29
n5 3.0461691689204E+37

Nth Root

y√n
2√n 5602.4166214233
3√n 315.4401238255
4√n 74.849292724937
5√n 31.575494501025

Divisors of 31387072

1, 2, 4, 8, 16, 32, 64, 401, 802, 1223, 1604, 2446, 3208, 4892, 6416, 9784, 12832, 19568, 25664, 39136, 78272, 490423, 980846, 1961692, 3923384, 7846768, 15693536, 31387072

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31387071
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31387072 can be divided by 28 positive divisors. The sum of these divisors (counting 31387072) is 1, the average is 0.035714285714286.

Base conversion 31387072

Base System Value
2 Binary 1110111101110110111000000
3 Ternary 2012001121222011
4 Quaternary 1313232313000
5 Quinary 31013341242
6 Senary 3040422304
8 Octal 167566700
10 Decimal 31387072
12 Duodecimal a617994
16 Hexadecimal 1deedc0
20 Vigesimal 9g37dc
36 Base36 ioqf4

Cryptographic Hash Functions

md5 2e276259685c84d42336a265c4ca417b
sha1 06c76b465761a4d8850edb96da1eaf6803bb1163
sha256 b4663c9f34f10f75bc9373f4ec26db9a93448c8e0430e98b9868e57cb7738486
sha512 a7a587500b233ad4731b042a8dd638cd9476f46f5ae5599b5cbbb1dff10c982052364b34335754ad6355e1ea60bb86a3e813717cbe2882b615f535585ebf74b4
ripemd-160 d8799807be9fcc447c31bc26f33e279016f9049f

31387072 as geometric shapes

Circle

Radius = n
Diameter 62774144
Circumference 197210789.62579
Area 3.0949346265807E+15

Sphere

Radius = n
Volume 1.2952124794638E+23
Surface area 1.2379738506323E+16
Circumference 197210789.62579

Square

Length = n
Perimeter 125548288
Area 985148288733184
Diagonal 44388022.905581

Cube

Length = n
Surface area 5910889732399104
Volume 3.0920920269145E+22
Space diagonal 54364003.404822

Equilateral Triangle

Length = n
Perimeter 94161216
Area 4.2658172226885E+14
Altitude 27182001.702411

Triangular Pyramid

Length = n
Surface area 4.2658172226885E+14
Volume 3.6440654004735E+21
Height 14796007.635194