157428979 (number)

157428979 is an odd 9-digits composite number following 157428978 and preceding 157428980. In scientific notation, it is written as 1.57428979 × 10^8. The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors. There are 157315840 positive integers (up to 157428979) that are relatively prime to 157428979.

Interesting facts

Basic properties

Name

Name one hundred fifty-seven million four hundred twenty-eight thousand nine hundred seventy-nine

Notation

Scientific notation 1.57428979 × 10^8
Engineering notation 1.57428979 × 10^6

Prime Factorization of 157428979

Prime Factorization 1409 × 111731

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 157428979
Product of the distinct prime numbers

The prime factorization of 157428979 is 1409 × 111731. Since it has a total of 2 prime factors.

Most popular turbo-numbers

8, 10, 67, 14, 926, 770, 142, 6943, 86034, 11156, 800578, 263156, 9061645, 8725372, 74470856, 66848713, 290290043, 198037077, 4885853247, 5508226897

Basic calculations (n = 157428979)

Multiplication

n×y
n×2 314857958
n×3 472286937
n×4 629715916
n×5 787144895

Division

n÷y
n÷2 78714489.5
n÷3 52476326.333333
n÷3 39357244.75
n÷5 31485795.8

Exponentiation

ny
n2 24783883428982441
n3 3.9017014638797E+24
n4 6.1424087782139E+32
n5 9.6699314255485E+40

Nth Root

y√n
2√n 12547.070534591
3√n 539.95996388132
4√n 112.01370690496
5√n 43.593017895055

Divisors of 157428979

1, 1409, 111731, 157428979

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 -157428978
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 157428979 can be divided by 4 positive divisors. The sum of these divisors (counting 157428979) is 1, the average is 0.25.

Base conversion 157428979

Base System Value
2 Binary 1001011000100010110011110011
3 Ternary 101222020012221221
4 Quaternary 21120202303303
5 Quinary 310300211404
6 Senary 23342125511
8 Octal 1130426363
10 Decimal 157428979
12 Duodecimal 44880897
16 Hexadecimal 9622cf3
20 Vigesimal 293ic8j
36 Base36 2lq8z7

Cryptographic Hash Functions

md5 d99b0029d69be1243d08c006f22c063a
sha1 5295dc75fe7a582bcc35239262df7086222d1b37
sha256 757edd8ac7a6ec88ea0705c41c6b314bcd59ad122bc612c46d035d4edb5b92e1
sha512 f609255858960b1d778e366fc2f8b93b4ac950c182c6a7308c08a48a411b9638699bf897733fc5c42de008659627e6dec91c85e21def9f9c25662a6d16486755
ripemd-160 ecf116544c6b3a5b0ba88e93f2e7b61dac877e71

157428979 as geometric shapes

Circle

Radius = n
Diameter 314857958
Circumference 989155447.77708
Area 7.7860866107917E+16

Sphere

Radius = n
Volume 1.63434088739E+25
Surface area 3.1144346443167E+17
Circumference 989155447.77708

Square

Length = n
Perimeter 629715916
Area 24783883428982441
Diagonal 222638197.21235

Cube

Length = n
Surface area 148703300573894646
Volume 3.9017014638797E+24
Space diagonal 272674990.21169

Equilateral Triangle

Length = n
Perimeter 472286937
Area 1.0731736326965E+16
Altitude 136337495.10585

Triangular Pyramid

Length = n
Surface area 1.0731736326965E+16
Volume 4.5981992721247E+23
Height 74212732.404116