157021761 (number)

157021761 is an odd 9-digits composite number following 157021760 and preceding 157021762. In scientific notation, it is written as 1.57021761 × 10^8. The sum of its digits is 30. It has a total of 3 prime factors and 8 positive divisors. There are 96628752 positive integers (up to 157021761) that are relatively prime to 157021761.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.57021761 × 10^8
Engineering notation 1.57021761 × 10^6

Prime Factorization of 157021761

Prime Factorization 3 × 13 × 4026199

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 157021761
Product of the distinct prime numbers

The prime factorization of 157021761 is 3 × 13 × 4026199. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157021761)

Multiplication

n×y
n×2 314043522
n×3 471065283
n×4 628087044
n×5 785108805

Division

n÷y
n÷2 78510880.5
n÷3 52340587
n÷3 39255440.25
n÷5 31404352.2

Exponentiation

ny
n2 24655833427541121
n3 3.8715023837152E+24
n4 6.0791012200665E+32
n5 9.545511788721E+40

Nth Root

y√n
2√n 12530.832414489
3√n 539.49399444688
4√n 111.94120070148
5√n 43.570442308821

Divisors of 157021761

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 -157021760
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 157021761 can be divided by 8 positive divisors. The sum of these divisors (counting 157021761) is 1, the average is 0.125.

Base conversion 157021761

Base System Value
2 Binary 1001010110111111011001000001
3 Ternary 101221110112100210
4 Quaternary 21112333121001
5 Quinary 310144144021
6 Senary 23325304333
8 Octal 1126773101
10 Decimal 157021761
12 Duodecimal 447050a9
16 Hexadecimal 95bf641
20 Vigesimal 2917e81
36 Base36 2lhirl

Cryptographic Hash Functions

md5 535ac39b319860af59d8bd2ad5ad75e2
sha1 6197047f2f1e2751413b98d2b5a76bf0a405eaee
sha256 a42d93c51b531859e3f042f27b6570e4f77aa1c69f8b4ee4497e32131246b2df
sha512 29d373b67c5cbb46573f28f2b35893e79a9655f8a12844eaf1c8613116bb8c7fb59dc98d6a90d19860fa740b7ed82db7ff28bce57d5092df47762a27bad3d913
ripemd-160 28877047a1ea091e518ae59ca53ba9d41ac04347

157021761 as geometric shapes

Circle

Radius = n
Diameter 314043522
Circumference 986596821.62266
Area 7.7458585164097E+16

Sphere

Radius = n
Volume 1.6216911262713E+25
Surface area 3.0983434065639E+17
Circumference 986596821.62266

Square

Length = n
Perimeter 628087044
Area 24655833427541121
Diagonal 222062303.99391

Cube

Length = n
Surface area 147935000565246726
Volume 3.8715023837152E+24
Space diagonal 271969667.94594

Equilateral Triangle

Length = n
Perimeter 471065283
Area 1.0676289049864E+16
Altitude 135984833.97297

Triangular Pyramid

Length = n
Surface area 1.0676289049864E+16
Volume 4.5626093148415E+23
Height 74020767.997969