157232721 (number)

157232721 is an odd 9-digits composite number following 157232720 and preceding 157232722. In scientific notation, it is written as 1.57232721 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 101988720 positive integers (up to 157232721) that are relatively prime to 157232721.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million two hundred thirty-two thousand seven hundred twenty-one

Notation

Scientific notation 1.57232721 × 10^8
Engineering notation 1.57232721 × 10^6

Prime Factorization of 157232721

Prime Factorization 3 × 37 × 1416511

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 157232721
Product of the distinct prime numbers

The prime factorization of 157232721 is 3 × 37 × 1416511. Since it has a total of 3 prime factors.

Most popular turbo-numbers

6, 6, 90, 64, 597, 644, 3405, 2411, 28698, 55145, 897188, 317225, 2466326, 8367635, 28673625, 38039125, 543826879, 410816810, 5964690525, 8382998120

Basic calculations (n = 157232721)

Multiplication

n×y
n×2 314465442
n×3 471698163
n×4 628930884
n×5 786163605

Division

n÷y
n÷2 78616360.5
n÷3 52410907
n÷3 39308180.25
n÷5 31446544.2

Exponentiation

ny
n2 24722128553063841
n3 3.88712754131E+24
n4 6.1118364019421E+32
n5 9.6098066778421E+40

Nth Root

y√n
2√n 12539.247226209
3√n 539.73549116979
4√n 111.97878024969
5√n 43.582143470269

Divisors of 157232721

1, 3, 37, 111, 1416511, 4249533, 52410907, 157232721

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 -157232720
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 157232721 can be divided by 8 positive divisors. The sum of these divisors (counting 157232721) is 1, the average is 0.125.

Base conversion 157232721

Base System Value
2 Binary 1001010111110010111001010001
3 Ternary 101221212020202010
4 Quaternary 21113302321101
5 Quinary 310222421341
6 Senary 23334013133
8 Octal 1127627121
10 Decimal 157232721
12 Duodecimal 447a71a9
16 Hexadecimal 95f2e51
20 Vigesimal 292e1g1
36 Base36 2lm1jl

Cryptographic Hash Functions

md5 1925a89626b934e2987fe8c19b9ddd5a
sha1 d3d3a229dfa2b979b3932b61485792551662f18f
sha256 0c7412e39e8050fbfe0fca68e1e42f5074cf48cb6191153a2ec0317c0fd6ec73
sha512 7d2790cc69f4be3a80799c1acae99d4b06cd89ffa85817cfb20dfec60fdd20d917a1c3d8ebdf6c556a3689fb08dbb9a1fcbee7e92812dac36555c5c498eac9fc
ripemd-160 834374d5b8a1a4e765bd910657faaa96cbcdba72

157232721 as geometric shapes

Circle

Radius = n
Diameter 314465442
Circumference 987922322.39507
Area 7.7666857443408E+16

Sphere

Radius = n
Volume 1.6282361769795E+25
Surface area 3.1066742977363E+17
Circumference 987922322.39507

Square

Length = n
Perimeter 628930884
Area 24722128553063841
Diagonal 222360646.48702

Cube

Length = n
Surface area 148332771318383046
Volume 3.88712754131E+24
Space diagonal 272335061.3843

Equilateral Triangle

Length = n
Perimeter 471698163
Area 1.0704995681289E+16
Altitude 136167530.69215

Triangular Pyramid

Length = n
Surface area 1.0704995681289E+16
Volume 4.5810237396622E+23
Height 74120215.495675