157201991 (number)

157201991 is an odd 9-digits composite number following 157201990 and preceding 157201992. In scientific notation, it is written as 1.57201991 × 10^8. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 148928184 positive integers (up to 157201991) that are relatively prime to 157201991.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million two hundred one thousand nine hundred ninety-one

Notation

Scientific notation 1.57201991 × 10^8
Engineering notation 1.57201991 × 10^6

Prime Factorization of 157201991

Prime Factorization 19 × 8273789

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 157201991
Product of the distinct prime numbers

The prime factorization of 157201991 is 19 × 8273789. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 157201991)

Multiplication

n×y
n×2 314403982
n×3 471605973
n×4 628807964
n×5 786009955

Division

n÷y
n÷2 78600995.5
n÷3 52400663.666667
n÷3 39300497.75
n÷5 31440398.2

Exponentiation

ny
n2 24712465974364081
n3 3.8848488536898E+24
n4 6.107059745341E+32
n5 9.6004195112356E+40

Nth Root

y√n
2√n 12538.021813667
3√n 539.70032641062
4√n 111.97330848764
5√n 43.580439774023

Divisors of 157201991

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 -157201990
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 157201991 can be divided by 4 positive divisors. The sum of these divisors (counting 157201991) is 1, the average is 0.25.

Base conversion 157201991

Base System Value
2 Binary 1001010111101011011001000111
3 Ternary 101221210200120222
4 Quaternary 21113223121013
5 Quinary 310220430431
6 Senary 23333214555
8 Octal 1127533107
10 Decimal 157201991
12 Duodecimal 4479145b
16 Hexadecimal 95eb647
20 Vigesimal 292a4jb
36 Base36 2lldtz

Cryptographic Hash Functions

md5 9ffebb3bac707e020ef78b4a9dee1f47
sha1 9d1ddca5634de9d67a52286902b03a5bea36da39
sha256 639b7acf9cbc40fc793f50bba26a92874f4c65bce223c22c860fbde78cb9c40a
sha512 67f292aa02d19c4882898e716a3d8b72218b46b079153105eab1f5baad676354256ae1dd58e37cb2cc2e4760c6d448916333507b9eb9d4972b5901575629c8ce
ripemd-160 d33ee33aa5a81fa927ecda863051e84518a3bbef

157201991 as geometric shapes

Circle

Radius = n
Diameter 314403982
Circumference 987729240.11058
Area 7.763650155715E+16

Sphere

Radius = n
Volume 1.6272816825411E+25
Surface area 3.105460062286E+17
Circumference 987729240.11058

Square

Length = n
Perimeter 628807964
Area 24712465974364081
Diagonal 222317187.70425

Cube

Length = n
Surface area 148274795846184486
Volume 3.8848488536898E+24
Space diagonal 272281835.46299

Equilateral Triangle

Length = n
Perimeter 471605973
Area 1.0700811661979E+16
Altitude 136140917.73149

Triangular Pyramid

Length = n
Surface area 1.0700811661979E+16
Volume 4.5783382805481E+23
Height 74105729.234751