31492721 (number)

31492721 is an odd 8-digits composite number following 31492720 and preceding 31492722. In scientific notation, it is written as 3.1492721 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 27360000 positive integers (up to 31492721) that are relatively prime to 31492721.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred ninety-two thousand seven hundred twenty-one

Notation

Scientific notation 3.1492721 × 10^7
Engineering notation 3.1492721 × 10^6

Prime Factorization of 31492721

Prime Factorization 13 × 17 × 142501

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 31492721
Product of the distinct prime numbers

The prime factorization of 31492721 is 13 × 17 × 142501. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 31492721)

Multiplication

n×y
n×2 62985442
n×3 94478163
n×4 125970884
n×5 157463605

Division

n÷y
n÷2 15746360.5
n÷3 10497573.666667
n÷3 7873180.25
n÷5 6298544.2

Exponentiation

ny
n2 991791475983841
n3 3.1234212243337E+22
n4 9.8365033183421E+29
n5 3.0977825462012E+37

Nth Root

y√n
2√n 5611.8375778349
3√n 315.79365166938
4√n 74.912199125609
5√n 31.596722584877

Divisors of 31492721

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -31492720
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 31492721 can be divided by 8 positive divisors. The sum of these divisors (counting 31492721) is 1, the average is 0.125.

Base conversion 31492721

Base System Value
2 Binary 1111000001000101001110001
3 Ternary 2012020222220002
4 Quaternary 1320020221301
5 Quinary 31030231341
6 Senary 3042555345
8 Octal 170105161
10 Decimal 31492721
12 Duodecimal a668b55
16 Hexadecimal 1e08a71
20 Vigesimal 9ggbg1
36 Base36 iqzxt

Cryptographic Hash Functions

md5 6545c100c2044c22e488b4c9210fefcf
sha1 2b7282ea0da3c68163473dce8206fc424e9793d1
sha256 c55f78f7b04ca9f733f1b93137181b2f1a6202104d79086728f4a1b80ffbb55a
sha512 fe861e48fc4a7c496738c36ef763245bf87eaf17488c0eaa90d2123417c930f352af845deccfbe177431ec9ac3ce39b6d636b7a91d9cc37f52c46695df802ea7
ripemd-160 8f5f4e435ab401d549a1ee91acbfae5616769cce

31492721 as geometric shapes

Circle

Radius = n
Diameter 62985442
Circumference 197874601.87031
Area 3.1158048148438E+15

Sphere

Radius = n
Volume 1.3083356229911E+23
Surface area 1.2463219259375E+16
Circumference 197874601.87031

Square

Length = n
Perimeter 125970884
Area 991791475983841
Diagonal 44537433.154232

Cube

Length = n
Surface area 5950748855903046
Volume 3.1234212243337E+22
Space diagonal 54546992.840591

Equilateral Triangle

Length = n
Perimeter 94478163
Area 4.2945830672944E+14
Altitude 27273496.420296

Triangular Pyramid

Length = n
Surface area 4.2945830672944E+14
Volume 3.6809872137139E+21
Height 14845811.051411