157021287 (number)

157021287 is an odd 9-digits composite number following 157021286 and preceding 157021288. In scientific notation, it is written as 1.57021287 × 10^8. The sum of its digits is 33. It has a total of 2 prime factors and 4 positive divisors. There are 104680856 positive integers (up to 157021287) that are relatively prime to 157021287.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.57021287 × 10^8
Engineering notation 1.57021287 × 10^6

Prime Factorization of 157021287

Prime Factorization 3 × 52340429

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 157021287
Product of the distinct prime numbers

The prime factorization of 157021287 is 3 × 52340429. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157021287)

Multiplication

n×y
n×2 314042574
n×3 471063861
n×4 628085148
n×5 785106435

Division

n÷y
n÷2 78510643.5
n÷3 52340429
n÷3 39255321.75
n÷5 31404257.4

Exponentiation

ny
n2 24655684571136369
n3 3.8714673232259E+24
n4 6.0790278167137E+32
n5 9.5453677148919E+40

Nth Root

y√n
2√n 12530.813501126
3√n 539.49345159132
4√n 111.94111622244
5√n 43.570416003659

Divisors of 157021287

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157021286
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157021287 can be divided by 4 positive divisors. The sum of these divisors (counting 157021287) is 1, the average is 0.25.

Base conversion 157021287

Base System Value
2 Binary 1001010110111111010001100111
3 Ternary 101221110111201020
4 Quaternary 21112333101213
5 Quinary 310144140122
6 Senary 23325302223
8 Octal 1126772147
10 Decimal 157021287
12 Duodecimal 44704973
16 Hexadecimal 95bf467
20 Vigesimal 2917d47
36 Base36 2lhief

Cryptographic Hash Functions

md5 9efd188ddc5745d6cdf1c5a9961c161e
sha1 d255b3c63ce1253671dbf55b178d7ad721802c35
sha256 f389af3254aacc62e540b5a8d8f8b2d78800ac796fbe3ce3311ac033b6daae41
sha512 a6fd1d95fb3c58b6f07b543568ca8d732e6a5bc3f39472b1c6e6bf4160aa81a7c642cd945960ece9536b68d954c9f789215faeebc3402c5bb8b4da827348af87
ripemd-160 ad3dc418a082f5646cd9279249b8de1519730ae1

157021287 as geometric shapes

Circle

Radius = n
Diameter 314042574
Circumference 986593843.39283
Area 7.7458117517909E+16

Sphere

Radius = n
Volume 1.6216764401679E+25
Surface area 3.0983247007164E+17
Circumference 986593843.39283

Square

Length = n
Perimeter 628085148
Area 24655684571136369
Diagonal 222061633.65668

Cube

Length = n
Surface area 147934107426818214
Volume 3.8714673232259E+24
Space diagonal 271968846.95385

Equilateral Triangle

Length = n
Perimeter 471063861
Area 1.067622459315E+16
Altitude 135984423.47693

Triangular Pyramid

Length = n
Surface area 1.067622459315E+16
Volume 4.5625679956586E+23
Height 74020544.552226