157445891 (number)

157445891 is an odd 9-digits composite number following 157445890 and preceding 157445892. In scientific notation, it is written as 1.57445891 × 10^8. The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors. There are 147847168 positive integers (up to 157445891) that are relatively prime to 157445891.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million four hundred forty-five thousand eight hundred ninety-one

Notation

Scientific notation 1.57445891 × 10^8
Engineering notation 1.57445891 × 10^6

Prime Factorization of 157445891

Prime Factorization 17 × 449 × 20627

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 157445891
Product of the distinct prime numbers

The prime factorization of 157445891 is 17 × 449 × 20627. Since it has a total of 3 prime factors.

Most popular turbo-numbers

8, 9, 97, 97, 256, 21, 748, 7708, 88686, 9309, 517835, 992703, 5644661, 2696079, 83195814, 42152388, 694550862, 104886256, 6836450924, 9248861910

Basic calculations (n = 157445891)

Multiplication

n×y
n×2 314891782
n×3 472337673
n×4 629783564
n×5 787229455

Division

n÷y
n÷2 78722945.5
n÷3 52481963.666667
n÷3 39361472.75
n÷5 31489178.2

Exponentiation

ny
n2 24789208592783881
n3 3.9029590340757E+24
n4 6.1450486265655E+32
n5 9.6751265624793E+40

Nth Root

y√n
2√n 12547.744458667
3√n 539.9792984748
4√n 112.01671508604
5√n 43.59395446143

Divisors of 157445891

1, 17, 449, 7633, 20627, 350659, 9261523, 157445891

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 -157445890
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 157445891 can be divided by 8 positive divisors. The sum of these divisors (counting 157445891) is 1, the average is 0.125.

Base conversion 157445891

Base System Value
2 Binary 1001011000100110111100000011
3 Ternary 101222021002011022
4 Quaternary 21120212330003
5 Quinary 310301232031
6 Senary 23342340055
8 Octal 1130467403
10 Decimal 157445891
12 Duodecimal 4488a62b
16 Hexadecimal 9626f03
20 Vigesimal 2940eeb
36 Base36 2lqm0z

Cryptographic Hash Functions

md5 090d1e7fb2f3876147c445dd713b8b45
sha1 cfb97dcfd46ac14c1d9ee5930f1b2bec9602ae94
sha256 6a036293e63a070d2bbeec4deaa06b9b72f40540d2bd46bf41ddd3d3ad4bf42c
sha512 02e0214c643440b9047f3f654cefa89c4bd87626b80d5c7cd414b1d06ffe58f33c53f3edde460dd8c415666a4d80a2591b040cdf52b4a5e0a61f1c1c34cc389b
ripemd-160 3665338258a6c0f42796722171313691e8a85b35

157445891 as geometric shapes

Circle

Radius = n
Diameter 314891782
Circumference 989261709.007
Area 7.7877595603395E+16

Sphere

Radius = n
Volume 1.6348676571619E+25
Surface area 3.1151038241358E+17
Circumference 989261709.007

Square

Length = n
Perimeter 629783564
Area 24789208592783881
Diagonal 222662114.39212

Cube

Length = n
Surface area 148735251556703286
Volume 3.9029590340757E+24
Space diagonal 272704282.65495

Equilateral Triangle

Length = n
Perimeter 472337673
Area 1.0734042190531E+16
Altitude 136352141.32748

Triangular Pyramid

Length = n
Surface area 1.0734042190531E+16
Volume 4.5996813328137E+23
Height 74220704.797372