157445821 (number)

157445821 is an odd 9-digits composite number following 157445820 and preceding 157445822. In scientific notation, it is written as 1.57445821 × 10^8. The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors. There are 145334592 positive integers (up to 157445821) that are relatively prime to 157445821.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million four hundred forty-five thousand eight hundred twenty-one

Notation

Scientific notation 1.57445821 × 10^8
Engineering notation 1.57445821 × 10^6

Prime Factorization of 157445821

Prime Factorization 13 × 12111217

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 157445821
Product of the distinct prime numbers

The prime factorization of 157445821 is 13 × 12111217. Since it has a total of 2 prime factors.

Most popular turbo-numbers

7, 7, 9, 16, 239, 494, 1860, 6, 377, 76383, 992727, 656812, 1788803, 753153, 71447314, 76224143, 483400394, 201764460, 6843285259, 5384883931

Basic calculations (n = 157445821)

Multiplication

n×y
n×2 314891642
n×3 472337463
n×4 629783284
n×5 787229105

Division

n÷y
n÷2 78722910.5
n÷3 52481940.333333
n÷3 39361455.25
n÷5 31489164.2

Exponentiation

ny
n2 24789186550364041
n3 3.9029538283442E+24
n4 6.1450376982875E+32
n5 9.6751050548282E+40

Nth Root

y√n
2√n 12547.74166932
3√n 539.97921845036
4√n 112.01670263546
5√n 43.59395058508

Divisors of 157445821

1, 13, 12111217, 157445821

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 -157445820
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 157445821 can be divided by 4 positive divisors. The sum of these divisors (counting 157445821) is 1, the average is 0.25.

Base conversion 157445821

Base System Value
2 Binary 1001011000100110111010111101
3 Ternary 101222021002001201
4 Quaternary 21120212322331
5 Quinary 310301231241
6 Senary 23342335501
8 Octal 1130467275
10 Decimal 157445821
12 Duodecimal 4488a591
16 Hexadecimal 9626ebd
20 Vigesimal 2940eb1
36 Base36 2lqlz1

Cryptographic Hash Functions

md5 ef67d80596ab37341cc0e5592f28fb47
sha1 a44189e67075e1265123843ef9ee1bdb8dc15805
sha256 c195935a5513a4a3523dc3aa923d984e6a8e10312785af4cd0bc64a17504862e
sha512 3646515bb67e9927de434c08c4992381b3bea16bd0a27fc1b3e84dcc875107b7b670dfb5ef7df825eac941a6fc2b168171240e110bdb0eefcd9b3552272b596d
ripemd-160 d4740cc7b98f94f1e3b3b598a14960fd57cbb506

157445821 as geometric shapes

Circle

Radius = n
Diameter 314891642
Circumference 989261269.18403
Area 7.7877526355091E+16

Sphere

Radius = n
Volume 1.6348654765902E+25
Surface area 3.1151010542036E+17
Circumference 989261269.18403

Square

Length = n
Perimeter 629783284
Area 24789186550364041
Diagonal 222662015.39717

Cube

Length = n
Surface area 148735119302184246
Volume 3.9029538283442E+24
Space diagonal 272704161.41139

Equilateral Triangle

Length = n
Perimeter 472337463
Area 1.0734032645883E+16
Altitude 136352080.7057

Triangular Pyramid

Length = n
Surface area 1.0734032645883E+16
Volume 4.5996751978003E+23
Height 74220671.799056