31661641 (number)

31661641 is an odd 8-digits composite number following 31661640 and preceding 31661642. In scientific notation, it is written as 3.1661641 × 10^7. The sum of its digits is 28. It has a total of 2 prime factors and 4 positive divisors. There are 28783300 positive integers (up to 31661641) that are relatively prime to 31661641.

Interesting facts

Basic properties

Name

Name thirty-one million six hundred sixty-one thousand six hundred forty-one

Notation

Scientific notation 3.1661641 × 10^7
Engineering notation 3.1661641 × 10^6

Prime Factorization of 31661641

Prime Factorization 11 × 2878331

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31661641
Product of the distinct prime numbers

The prime factorization of 31661641 is 11 × 2878331. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31661641)

Multiplication

n×y
n×2 63323282
n×3 94984923
n×4 126646564
n×5 158308205

Division

n÷y
n÷2 15830820.5
n÷3 10553880.333333
n÷3 7915410.25
n÷5 6332328.2

Exponentiation

ny
n2 1002459510812881
n3 3.1739513148393E+22
n4 1.0049250708192E+30
n5 3.1817576824177E+37

Nth Root

y√n
2√n 5626.8677787913
3√n 316.35726097593
4√n 75.012450825122
5√n 31.630545663014

Divisors of 31661641

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 -31661640
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 31661641 can be divided by 4 positive divisors. The sum of these divisors (counting 31661641) is 1, the average is 0.25.

Base conversion 31661641

Base System Value
2 Binary 1111000110001111001001001
3 Ternary 2012120120121101
4 Quaternary 1320301321021
5 Quinary 31101133031
6 Senary 3050341401
8 Octal 170617111
10 Decimal 31661641
12 Duodecimal a72a861
16 Hexadecimal 1e31e49
20 Vigesimal 9hhe21
36 Base36 iuma1

Cryptographic Hash Functions

md5 bf86c2218b6397e0a619b1bbbe7f6ce4
sha1 1e3924ff0af8e2ff7d3aa1ed4136976804ef46ee
sha256 b67117b37a9ce2c1258d404f6480fb33d132c739895577f877f8ca1fa7213d21
sha512 6310390c3b438fe4a2334bb3d65792828ae8009852868e1d72d209d015c7fd43214b38f5794767555256a617138e97115bbef648a40d4ff8869d706853d0dafe
ripemd-160 0b7ccddd58343ade2f46e16856c7630a088d45b8

31661641 as geometric shapes

Circle

Radius = n
Diameter 63323282
Circumference 198935957.53239
Area 3.149319434691E+15

Sphere

Radius = n
Volume 1.3295016178068E+23
Surface area 1.2597277738764E+16
Circumference 198935957.53239

Square

Length = n
Perimeter 126646564
Area 1002459510812881
Diagonal 44776322.109188

Cube

Length = n
Surface area 6014757064877286
Volume 3.1739513148393E+22
Space diagonal 54839570.863006

Equilateral Triangle

Length = n
Perimeter 94984923
Area 4.3407770131464E+14
Altitude 27419785.431503

Triangular Pyramid

Length = n
Surface area 4.3407770131464E+14
Volume 3.7405374964647E+21
Height 14925440.703063