31128085 (number)

31128085 is an odd 8-digits composite number following 31128084 and preceding 31128086. In scientific notation, it is written as 3.1128085 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 23819664 positive integers (up to 31128085) that are relatively prime to 31128085.

Interesting facts

Basic properties

Name

Name thirty-one million one hundred twenty-eight thousand eighty-five

Notation

Scientific notation 3.1128085 × 10^7
Engineering notation 3.1128085 × 10^6

Prime Factorization of 31128085

Prime Factorization 115 × 270679

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31128085
Product of the distinct prime numbers

The prime factorization of 31128085 is 115 × 270679. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31128085)

Multiplication

n×y
n×2 62256170
n×3 93384255
n×4 124512340
n×5 155640425

Division

n÷y
n÷2 15564042.5
n÷3 10376028.333333
n÷3 7782021.25
n÷5 6225617

Exponentiation

ny
n2 968957675767225
n3 3.0161796892685E+22
n4 9.3887897742822E+29
n5 2.9225504614099E+37

Nth Root

y√n
2√n 5579.2548785658
3√n 314.5701199173
4√n 74.694409955269
5√n 31.523213308513

Divisors of 31128085

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 -31128084
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 31128085 can be divided by 4 positive divisors. The sum of these divisors (counting 31128085) is 1, the average is 0.25.

Base conversion 31128085

Base System Value
2 Binary 1110110101111101000010101
3 Ternary 2011120110201001
4 Quaternary 1312233220111
5 Quinary 30432044320
6 Senary 3031103301
8 Octal 166575025
10 Decimal 31128085
12 Duodecimal a511b31
16 Hexadecimal 1dafa15
20 Vigesimal 9eb045
36 Base36 ij6l1

Cryptographic Hash Functions

md5 cedd8c2a39582600fa6531468d35e741
sha1 4c583eac7eb9bfd560432bac788c6b195959ba47
sha256 99de893c812e44bdf7ff1c7a381c3b3f83e7e884dfa5527903b735ce6b70dc1e
sha512 ac6ebf8222ee89e9339cecb898b2ca62a6a0dd4ba7db85d6e214c8b523af1d71a2d9c6252919d5ab5e73c8244a83c080e5eedba484a76d4a1f3cc2bb9cd66e2e
ripemd-160 5fc6d65359a2ca0a8d6ce7310a1af75a320d24b1

31128085 as geometric shapes

Circle

Radius = n
Diameter 62256170
Circumference 195583526.31264
Area 3.0440703158298E+15

Sphere

Radius = n
Volume 1.2634143938283E+23
Surface area 1.2176281263319E+16
Circumference 195583526.31264

Square

Length = n
Perimeter 124512340
Area 968957675767225
Diagonal 44021759.977703

Cube

Length = n
Surface area 5813746054603350
Volume 3.0161796892685E+22
Space diagonal 53915424.762323

Equilateral Triangle

Length = n
Perimeter 93384255
Area 4.1957098120317E+14
Altitude 26957712.381161

Triangular Pyramid

Length = n
Surface area 4.1957098120317E+14
Volume 3.5546018525981E+21
Height 14673919.992568