157445621 (number)

157445621 is an odd 9-digits composite number following 157445620 and preceding 157445622. In scientific notation, it is written as 1.57445621 × 10^8. The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors. There are 152366700 positive integers (up to 157445621) that are relatively prime to 157445621.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 1.57445621 × 10^8
Engineering notation 1.57445621 × 10^6

Prime Factorization of 157445621

Prime Factorization 31 × 5078891

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 157445621
Product of the distinct prime numbers

The prime factorization of 157445621 is 31 × 5078891. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 8, 27, 99, 689, 755, 5701, 1037, 25138, 39094, 124947, 773379, 700205, 7635068, 6568608, 83541264, 259534318, 523147238, 1795874310, 757584764

Basic calculations (n = 157445621)

Multiplication

n×y
n×2 314891242
n×3 472336863
n×4 629782484
n×5 787228105

Division

n÷y
n÷2 78722810.5
n÷3 52481873.666667
n÷3 39361405.25
n÷5 31489124.2

Exponentiation

ny
n2 24789123572075641
n3 3.9029389548512E+24
n4 6.1450064747164E+32
n5 9.6750436046074E+40

Nth Root

y√n
2√n 12547.733699756
3√n 539.97898980898
4√n 112.01666706235
5√n 43.593939509785

Divisors of 157445621

1, 31, 5078891, 157445621

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 -157445620
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 157445621 can be divided by 4 positive divisors. The sum of these divisors (counting 157445621) is 1, the average is 0.25.

Base conversion 157445621

Base System Value
2 Binary 1001011000100110110111110101
3 Ternary 101222021001210022
4 Quaternary 21120212313311
5 Quinary 310301224441
6 Senary 23342334525
8 Octal 1130466765
10 Decimal 157445621
12 Duodecimal 4488a445
16 Hexadecimal 9626df5
20 Vigesimal 2940e11
36 Base36 2lqlth

Cryptographic Hash Functions

md5 b2c38c452bfb315b21ecf5542bf517ae
sha1 03e8f01859d47688230ebb97138173df737f23d9
sha256 928ffe4ea172f964bfd2906b6f5c174d0e7d7d98eb9ac134b32252d3d17c1d94
sha512 a2400dcb51f9cd201e94089be9e631e68719808c766e3c68d87edf2949b029130064c0b49ddccddefd9b5ff43791726807c7676fcf040f5bf111b09d2052e719
ripemd-160 c7fb5cf5daa02e870c43ecd75a7291b53dc5ab70

157445621 as geometric shapes

Circle

Radius = n
Diameter 314891242
Circumference 989260012.54697
Area 7.7877328502962E+16

Sphere

Radius = n
Volume 1.634859246396E+25
Surface area 3.1150931401185E+17
Circumference 989260012.54697

Square

Length = n
Perimeter 629782484
Area 24789123572075641
Diagonal 222661732.55445

Cube

Length = n
Surface area 148734741432453846
Volume 3.9029389548512E+24
Space diagonal 272703815.00123

Equilateral Triangle

Length = n
Perimeter 472336863
Area 1.0734005375485E+16
Altitude 136351907.50062

Triangular Pyramid

Length = n
Surface area 1.0734005375485E+16
Volume 4.5996576692207E+23
Height 74220577.518151