157021765 (number)

157021765 is an odd 9-digits composite number following 157021764 and preceding 157021766. In scientific notation, it is written as 1.57021765 × 10^8. The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors. There are 125459280 positive integers (up to 157021765) that are relatively prime to 157021765.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million twenty-one thousand seven hundred sixty-five

Notation

Scientific notation 1.57021765 × 10^8
Engineering notation 1.57021765 × 10^6

Prime Factorization of 157021765

Prime Factorization 5 × 811 × 38723

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 157021765
Product of the distinct prime numbers

The prime factorization of 157021765 is 5 × 811 × 38723. Since it has a total of 3 prime factors.

Most popular turbo-numbers

5, 10, 29, 32, 61, 173, 8105, 6994, 60756, 24523, 738684, 948982, 8290999, 5862324, 6085644, 28712236, 840499484, 989935616, 2422896563, 3053606810

Basic calculations (n = 157021765)

Multiplication

n×y
n×2 314043530
n×3 471065295
n×4 628087060
n×5 785108825

Division

n÷y
n÷2 78510882.5
n÷3 52340588.333333
n÷3 39255441.25
n÷5 31404353

Exponentiation

ny
n2 24655834683715225
n3 3.8715026795852E+24
n4 6.0791018395069E+32
n5 9.5455130045413E+40

Nth Root

y√n
2√n 12530.832574095
3√n 539.49399902794
4√n 111.94120141438
5√n 43.570442530806

Divisors of 157021765

1, 5, 811, 4055, 38723, 193615, 31404353, 157021765

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 -157021764
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 157021765 can be divided by 8 positive divisors. The sum of these divisors (counting 157021765) is 1, the average is 0.125.

Base conversion 157021765

Base System Value
2 Binary 1001010110111111011001000101
3 Ternary 101221110112100221
4 Quaternary 21112333121011
5 Quinary 310144144030
6 Senary 23325304341
8 Octal 1126773105
10 Decimal 157021765
12 Duodecimal 447050b1
16 Hexadecimal 95bf645
20 Vigesimal 2917e85
36 Base36 2lhirp

Cryptographic Hash Functions

md5 57d435a2154cba94259e30700d17ec2e
sha1 66655351497bbc543927ca97d2228a46b1b8d3eb
sha256 5cc82e67daa71ce88a18e13a230ba788e89966548ec8708e20e7ea83dbf136ad
sha512 b80e4ff15d1807192278346233b2c7916bc0ddcd870f5508e6ee440a7e3b9e6ec455193196a55cf1c5579b4b5f95817bd38133de708e0abc21878ec320842bf5
ripemd-160 671f6cb25ebf04d93d0a29be9f95741015673600

157021765 as geometric shapes

Circle

Radius = n
Diameter 314043530
Circumference 986596846.75541
Area 7.7458589110484E+16

Sphere

Radius = n
Volume 1.6216912502051E+25
Surface area 3.0983435644194E+17
Circumference 986596846.75541

Square

Length = n
Perimeter 628087060
Area 24655834683715225
Diagonal 222062309.65076

Cube

Length = n
Surface area 147935008102291350
Volume 3.8715026795852E+24
Space diagonal 271969674.87414

Equilateral Triangle

Length = n
Perimeter 471065295
Area 1.0676289593803E+16
Altitude 135984837.43707

Triangular Pyramid

Length = n
Surface area 1.0676289593803E+16
Volume 4.5626096635276E+23
Height 74020769.883587