20155251 (number)

20155251 is an odd 8-digits composite number following 20155250 and preceding 20155252. In scientific notation, it is written as 2.0155251 × 10^7. The sum of its digits is 21. It has a total of 2 prime factors and 4 positive divisors. There are 12646400 positive integers (up to 20155251) that are relatively prime to 20155251.

Interesting facts

Basic properties

Name

Name twenty million one hundred fifty-five thousand two hundred fifty-one

Notation

Scientific notation 2.0155251 × 10^7
Engineering notation 2.0155251 × 10^6

Prime Factorization of 20155251

Prime Factorization 51 × 395201

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 20155251
Product of the distinct prime numbers

The prime factorization of 20155251 is 51 × 395201. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 20155251)

Multiplication

n×y
n×2 40310502
n×3 60465753
n×4 80621004
n×5 100776255

Division

n÷y
n÷2 10077625.5
n÷3 6718417
n÷3 5038812.75
n÷5 4031050.2

Exponentiation

ny
n2 406234142873001
n3 8.1877511143752E+21
n4 1.6502617883576E+29
n5 3.3261440560057E+36

Nth Root

y√n
2√n 4489.4599897983
3√n 272.14231217052
4√n 67.003432671754
5√n 28.898655790242

Divisors of 20155251

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 -20155250
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 20155251 can be divided by 4 positive divisors. The sum of these divisors (counting 20155251) is 1, the average is 0.25.

Base conversion 20155251

Base System Value
2 Binary 1001100111000101101110011
3 Ternary 1101220222210210
4 Quaternary 1030320231303
5 Quinary 20124432001
6 Senary 1555555203
8 Octal 114705563
10 Decimal 20155251
12 Duodecimal 68bbb03
16 Hexadecimal 1338b73
20 Vigesimal 65j82b
36 Base36 bzzw3

Cryptographic Hash Functions

md5 4ccb36c564c8ee4873dae323d3477695
sha1 84a63fcf333570d66beb4eb19a51e69786ccc77d
sha256 2179ae93f00dbdb44b2a8b5f0ece370cf48fd6cf84927dc99f42aeb59478fadf
sha512 76b7990ed09bc0815f4c9cace384123ea6b7102d33777a5de984f9870e3632e7ad9f3c46343cbc9dc69d87a7090717f4cc8a9fc8a15eb160a61848f4053e10b1
ripemd-160 36459b0d0edd49b77721fe8261b834beae603cae

20155251 as geometric shapes

Circle

Radius = n
Diameter 40310502
Circumference 126639176.94572
Area 1.2762221988872E+15

Sphere

Radius = n
Volume 3.4296771667124E+22
Surface area 5.1048887955487E+15
Circumference 126639176.94572

Square

Length = n
Perimeter 80621004
Area 406234142873001
Diagonal 28503829.317234

Cube

Length = n
Surface area 2437404857238006
Volume 8.1877511143752E+21
Space diagonal 34909918.771303

Equilateral Triangle

Length = n
Perimeter 60465753
Area 1.7590454380631E+14
Altitude 17454959.385652

Triangular Pyramid

Length = n
Surface area 1.7590454380631E+14
Volume 9.6493572260707E+20
Height 9501276.439078