157721568 (number)

157721568 is an even 9-digits composite number following 157721567 and preceding 157721569. In scientific notation, it is written as 1.57721568 × 10^8. The sum of its digits is 42. It has a total of 8 prime factors and 48 positive divisors. There are 52488576 positive integers (up to 157721568) that are relatively prime to 157721568.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.57721568 × 10^8
Engineering notation 1.57721568 × 10^6

Prime Factorization of 157721568

Prime Factorization 2 × 2 × 2 × 2 × 2 × 3 × 1699 × 967

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 9857598
Product of the distinct prime numbers

The prime factorization of 157721568 is 2 × 2 × 2 × 2 × 2 × 3 × 1699 × 967. Since it has a total of 8 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157721568)

Multiplication

n×y
n×2 315443136
n×3 473164704
n×4 630886272
n×5 788607840

Division

n÷y
n÷2 78860784
n÷3 52573856
n÷3 39430392
n÷5 31544313.6

Exponentiation

ny
n2 24876093012378624
n3 3.9234963956262E+24
n4 6.1882000356051E+32
n5 9.760126127133E+40

Nth Root

y√n
2√n 12558.724776027
3√n 540.29427033673
4√n 112.06571632764
5√n 43.609209788026

Divisors of 157721568

48 divisors

τ Total Divisors 48
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -157721567
Sum of the proper positive divisors of n
A Arithmetic Mean 0.020833333333333
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 48
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 157721568 can be divided by 48 positive divisors. The sum of these divisors (counting 157721568) is 1, the average is 0.020833333333333.

Base conversion 157721568

Base System Value
2 Binary 1001011001101010001111100000
3 Ternary 101222210002022120
4 Quaternary 21121222033200
5 Quinary 310334042233
6 Senary 23352304240
8 Octal 1131521740
10 Decimal 157721568
12 Duodecimal 449a2080
16 Hexadecimal 966a3e0
20 Vigesimal 295f3i8
36 Base36 2lwiqo

Cryptographic Hash Functions

md5 673a27abc7b808cc181401f1638e84c6
sha1 1ec5e41f476ded64e2d95fd2e47dfc3ff3d525fe
sha256 1fc3887b83100d277b0475f98b9c291c01af9c8d096d5b31f3459b3706fe4e21
sha512 d8b1f7cb738396171795c2a584cf926c9805f0b95f3a03acc314b47edcbec0feedd36be6f3038ceaef34d8752db42bc44dfccb1088daeb2e285d1a1904ac2355
ripemd-160 183a0f96ad8011d8fd6b13f913a63361bb8ec444

157721568 as geometric shapes

Circle

Radius = n
Diameter 315443136
Circumference 990993838.68293
Area 7.8150551057705E+16

Sphere

Radius = n
Volume 1.6434703270514E+25
Surface area 3.1260220423082E+17
Circumference 990993838.68293

Square

Length = n
Perimeter 630886272
Area 24876093012378624
Diagonal 223051980.54435

Cube

Length = n
Surface area 149256558074271744
Volume 3.9234963956262E+24
Space diagonal 273181769.22543

Equilateral Triangle

Length = n
Perimeter 473164704
Area 1.0771664247812E+16
Altitude 136590884.61271

Triangular Pyramid

Length = n
Surface area 1.0771664247812E+16
Volume 4.6238848455138E+23
Height 74350660.18145