20152991 (number)

20152991 is an odd 8-digits composite number following 20152990 and preceding 20152992. In scientific notation, it is written as 2.0152991 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 19150560 positive integers (up to 20152991) that are relatively prime to 20152991.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-two thousand nine hundred ninety-one

Notation

Scientific notation 2.0152991 × 10^7
Engineering notation 2.0152991 × 10^6

Prime Factorization of 20152991

Prime Factorization 23 × 5581 × 157

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 20152991
Product of the distinct prime numbers

The prime factorization of 20152991 is 23 × 5581 × 157. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20152991)

Multiplication

n×y
n×2 40305982
n×3 60458973
n×4 80611964
n×5 100764955

Division

n÷y
n÷2 10076495.5
n÷3 6717663.6666667
n÷3 5038247.75
n÷5 4030598.2

Exponentiation

ny
n2 406143046246081
n3 8.1849971557099E+21
n4 1.6495217401405E+29
n5 3.3242796783355E+36

Nth Root

y√n
2√n 4489.2082820916
3√n 272.13214005515
4√n 67.001554325938
5√n 28.898007682296

Divisors of 20152991

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 -20152990
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 20152991 can be divided by 8 positive divisors. The sum of these divisors (counting 20152991) is 1, the average is 0.125.

Base conversion 20152991

Base System Value
2 Binary 1001100111000001010011111
3 Ternary 1101220212201002
4 Quaternary 1030320022133
5 Quinary 20124343431
6 Senary 1555540515
8 Octal 114701237
10 Decimal 20152991
12 Duodecimal 68ba73b
16 Hexadecimal 133829f
20 Vigesimal 65j29b
36 Base36 bzy5b

Cryptographic Hash Functions

md5 acd8ef88c0e47d721393f77f095eb9d0
sha1 0d0308b1ed09d65940781baffd827f1f77aa75bb
sha256 73362d10730d23d6331457067908cae1c8696383bedbadc49d438111f7b3d328
sha512 bea4ead4eb45faaedb43a87caa198526886775a11fe6081475658350051688c3db69a7ba2c9f49ed5bf1115d0961e63c5c8cf84d7de4bcfbbcb2cd3330efb1a9
ripemd-160 eabe43fbe53f6b9cb228258d6e03f2e19b91b7e5

20152991 as geometric shapes

Circle

Radius = n
Diameter 40305982
Circumference 126624976.94692
Area 1.2759360103933E+15

Sphere

Radius = n
Volume 3.4285235912042E+22
Surface area 5.1037440415731E+15
Circumference 126624976.94692

Square

Length = n
Perimeter 80611964
Area 406143046246081
Diagonal 28500633.194583

Cube

Length = n
Surface area 2436858277476486
Volume 8.1849971557099E+21
Space diagonal 34906004.336478

Equilateral Triangle

Length = n
Perimeter 60458973
Area 1.7586509780975E+14
Altitude 17453002.168239

Triangular Pyramid

Length = n
Surface area 1.7586509780975E+14
Volume 9.6461116546584E+20
Height 9500211.064861