156720121 (number)

156720121 is an odd 9-digits composite number following 156720120 and preceding 156720122. In scientific notation, it is written as 1.56720121 × 10^8. The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors. There are 154263408 positive integers (up to 156720121) that are relatively prime to 156720121.

Interesting facts

Basic properties

Name

Name one hundred fifty-six million seven hundred twenty thousand one hundred twenty-one

Notation

Scientific notation 1.56720121 × 10^8
Engineering notation 1.56720121 × 10^6

Prime Factorization of 156720121

Prime Factorization 79 × 347 × 5717

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 156720121
Product of the distinct prime numbers

The prime factorization of 156720121 is 79 × 347 × 5717. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 156720121)

Multiplication

n×y
n×2 313440242
n×3 470160363
n×4 626880484
n×5 783600605

Division

n÷y
n÷2 78360060.5
n÷3 52240040.333333
n÷3 39180030.25
n÷5 31344024.2

Exponentiation

ny
n2 24561196326254641
n3 3.8492336601554E+24
n4 6.0325236497682E+32
n5 9.4541783632704E+40

Nth Root

y√n
2√n 12518.790716359
3√n 539.14831564297
4√n 111.88740195553
5√n 43.553689600668

Divisors of 156720121

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 -156720120
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 156720121 can be divided by 8 positive divisors. The sum of these divisors (counting 156720121) is 1, the average is 0.125.

Base conversion 156720121

Base System Value
2 Binary 1001010101110101101111111001
3 Ternary 101220220012120221
4 Quaternary 21111311233321
5 Quinary 310110020441
6 Senary 23315020041
8 Octal 1125655771
10 Decimal 156720121
12 Duodecimal 4459a621
16 Hexadecimal 9575bf9
20 Vigesimal 28ja061
36 Base36 2lb20p

Cryptographic Hash Functions

md5 52812160fa4df4d7e209bcf89a70efa0
sha1 2115b8059399d459c95fb2ee4f03da10ca6c9910
sha256 f3259514af4fb45e8867233c20d3b079e0263ac4e72a92f62e8bf29f2c32ab70
sha512 e40b841bdd7346e6e8200f70807b07e94751419618623cf91ecf2ab8326d46d9901d89e6bff483262714f04923f0a2a76839976d4281d9971ff87842b8fcf611
ripemd-160 54dae6477bdbde3ef95b45c557cb469a8eab02eb

156720121 as geometric shapes

Circle

Radius = n
Diameter 313440242
Circumference 984701561.60661
Area 7.7161273941938E+16

Sphere

Radius = n
Volume 1.6123632251593E+25
Surface area 3.0864509576775E+17
Circumference 984701561.60661

Square

Length = n
Perimeter 626880484
Area 24561196326254641
Diagonal 221635720.61495

Cube

Length = n
Surface area 147367177957527846
Volume 3.8492336601554E+24
Space diagonal 271447212.14034

Equilateral Triangle

Length = n
Perimeter 470160363
Area 1.0635309982937E+16
Altitude 135723606.07017

Triangular Pyramid

Length = n
Surface area 1.0635309982937E+16
Volume 4.5363653724456E+23
Height 73878573.538318