157438942 (number)

157438942 is an even 9-digits composite number following 157438941 and preceding 157438943. In scientific notation, it is written as 1.57438942 × 10^8. The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors. There are 77196600 positive integers (up to 157438942) that are relatively prime to 157438942.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million four hundred thirty-eight thousand nine hundred forty-two

Notation

Scientific notation 1.57438942 × 10^8
Engineering notation 1.57438942 × 10^6

Prime Factorization of 157438942

Prime Factorization 2 × 151 × 79 × 6599

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 157438942
Product of the distinct prime numbers

The prime factorization of 157438942 is 2 × 151 × 79 × 6599. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157438942)

Multiplication

n×y
n×2 314877884
n×3 472316826
n×4 629755768
n×5 787194710

Division

n÷y
n÷2 78719471
n÷3 52479647.333333
n÷3 39359735.5
n÷5 31487788.4

Exponentiation

ny
n2 24787020458079364
n3 3.9024422762524E+24
n4 6.1439638318924E+32
n5 9.6729916537941E+40

Nth Root

y√n
2√n 12547.467553256
3√n 539.97135421889
4√n 112.01547907881
5√n 43.593569643845

Divisors of 157438942

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157438941
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157438942 can be divided by 16 positive divisors. The sum of these divisors (counting 157438942) is 1, the average is 0.0625.

Base conversion 157438942

Base System Value
2 Binary 1001011000100101001111011110
3 Ternary 101222020201121221
4 Quaternary 21120211033132
5 Quinary 310301021232
6 Senary 23342243554
8 Octal 1130451736
10 Decimal 157438942
12 Duodecimal 448865ba
16 Hexadecimal 96253de
20 Vigesimal 293jh72
36 Base36 2lqgny

Cryptographic Hash Functions

md5 43f44151b5dfb6ed466ef0a9b1176b28
sha1 727d435f551392b5b64efdb341d77bb8293c9d41
sha256 88e98c9ee4326aca3c1102fb5dcfb64a7efdabe3c5adbf77f9fb7e7f6a2f6a4a
sha512 8a4112bb00722618a83ecd989b3e3f46388ea5f333f35cf3abf205beef4693cbbd56588e040af5e785282147de8a5b89dadd42b4cc639a4eec49c954143a8404
ripemd-160 9db1ce364a63d6a18f95e1d439e8997cb633a145

157438942 as geometric shapes

Circle

Radius = n
Diameter 314877884
Circumference 989218047.1523
Area 7.7870721375482E+16

Sphere

Radius = n
Volume 1.634651198151E+25
Surface area 3.1148288550193E+17
Circumference 989218047.1523

Square

Length = n
Perimeter 629755768
Area 24787020458079364
Diagonal 222652287.02207

Cube

Length = n
Surface area 148722122748476184
Volume 3.9024422762524E+24
Space diagonal 272692246.63389

Equilateral Triangle

Length = n
Perimeter 472316826
Area 1.0733094700411E+16
Altitude 136346123.31694

Triangular Pyramid

Length = n
Surface area 1.0733094700411E+16
Volume 4.5990723278785E+23
Height 74217429.007357