31491029 (number)

31491029 is an odd 8-digits composite number following 31491028 and preceding 31491030. In scientific notation, it is written as 3.1491029 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 31352076 positive integers (up to 31491029) that are relatively prime to 31491029.

Interesting facts

Basic properties

Name

Name thirty-one million four hundred ninety-one thousand twenty-nine

Notation

Scientific notation 3.1491029 × 10^7
Engineering notation 3.1491029 × 10^6

Prime Factorization of 31491029

Prime Factorization 227 × 138727

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 31491029
Product of the distinct prime numbers

The prime factorization of 31491029 is 227 × 138727. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 7, 95, 56, 166, 179, 4380, 1826, 8949, 98673, 767172, 836027, 5671838, 9371225, 42278932, 54882646, 569599102, 801458075, 2756849244, 8805627700

Basic calculations (n = 31491029)

Multiplication

n×y
n×2 62982058
n×3 94473087
n×4 125964116
n×5 157455145

Division

n÷y
n÷2 15745514.5
n÷3 10497009.666667
n÷3 7872757.25
n÷5 6298205.8

Exponentiation

ny
n2 991684907478841
n3 3.1229178180278E+22
n4 9.8343895572132E+29
n5 3.096950467435E+37

Nth Root

y√n
2√n 5611.6868230506
3√n 315.78799605108
4√n 74.911192909008
5√n 31.596383060048

Divisors of 31491029

1, 227, 138727, 31491029

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 -31491028
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 31491029 can be divided by 4 positive divisors. The sum of these divisors (counting 31491029) is 1, the average is 0.25.

Base conversion 31491029

Base System Value
2 Binary 1111000001000001111010101
3 Ternary 2012020220120102
4 Quaternary 1320020033111
5 Quinary 31030203104
6 Senary 3042543445
8 Octal 170101725
10 Decimal 31491029
12 Duodecimal a667b85
16 Hexadecimal 1e083d5
20 Vigesimal 9gg7b9
36 Base36 iqymt

Cryptographic Hash Functions

md5 213e33b399cb76e90966c19a97bddaad
sha1 fd7294e83410d6051fa4466923d0bc3d024828e2
sha256 4836383475826fc6a2dcc3d462775cca096d296212e2ef9bc4d1df2e578dfb0a
sha512 3ba29b3e2a30299ed74908827fa112a4e2f12291c3733ac722afc3064e8e54ec25d4e4377f34018e7b762ffbadccb7606ecdfb6e2ae8b5ca34c118ab7e3d2e7e
ripemd-160 a04490b2253658b04dc16556571b29b4a344d0a6

31491029 as geometric shapes

Circle

Radius = n
Diameter 62982058
Circumference 197863970.72077
Area 3.1154700200114E+15

Sphere

Radius = n
Volume 1.3081247566508E+23
Surface area 1.2461880080046E+16
Circumference 197863970.72077

Square

Length = n
Perimeter 125964116
Area 991684907478841
Diagonal 44535040.304884

Cube

Length = n
Surface area 5950109444873046
Volume 3.1229178180278E+22
Space diagonal 54544062.210625

Equilateral Triangle

Length = n
Perimeter 94473087
Area 4.2941216121315E+14
Altitude 27272031.105312

Triangular Pyramid

Length = n
Surface area 4.2941216121315E+14
Volume 3.680393943693E+21
Height 14845013.434961