128123957 (number)

128123957 is an odd 9-digits composite number following 128123956 and preceding 128123958. In scientific notation, it is written as 1.28123957 × 10^8. The sum of its digits is 38. It has a total of 2 prime factors and 4 positive divisors. There are 118268256 positive integers (up to 128123957) that are relatively prime to 128123957.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million one hundred twenty-three thousand nine hundred fifty-seven

Notation

Scientific notation 1.28123957 × 10^8
Engineering notation 1.28123957 × 10^6

Prime Factorization of 128123957

Prime Factorization 13 × 9855689

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 128123957
Product of the distinct prime numbers

The prime factorization of 128123957 is 13 × 9855689. Since it has a total of 2 prime factors.

Most popular turbo-numbers

3, 7, 62, 32, 148, 200, 5076, 8334, 11945, 8022, 107620, 331401, 1290799, 3625550, 90962498, 2703611, 51810665, 423912969, 8538154485, 7847110493

Basic calculations (n = 128123957)

Multiplication

n×y
n×2 256247914
n×3 384371871
n×4 512495828
n×5 640619785

Division

n÷y
n÷2 64061978.5
n÷3 42707985.666667
n÷3 32030989.25
n÷5 25624791.4

Exponentiation

ny
n2 16415748357337849
n3 2.1032506366584E+24
n4 2.6947679413144E+32
n5 3.4526433183795E+40

Nth Root

y√n
2√n 11319.185350545
3√n 504.13105083954
4√n 106.39166015504
5√n 41.833679863841

Divisors of 128123957

1, 13, 9855689, 128123957

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 -128123956
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 128123957 can be divided by 4 positive divisors. The sum of these divisors (counting 128123957) is 1, the average is 0.25.

Base conversion 128123957

Base System Value
2 Binary 111101000110000010000110101
3 Ternary 22221002101000202
4 Quaternary 13220300100311
5 Quinary 230244431312
6 Senary 20414050245
8 Octal 750602065
10 Decimal 128123957
12 Duodecimal 36aa9985
16 Hexadecimal 7a30435
20 Vigesimal 200f9hh
36 Base36 24a52t

Cryptographic Hash Functions

md5 7adf7bc48324793678e89aa07bbf08f5
sha1 70bfb33a2f93cdae790629e8cbfcaf8d829826ac
sha256 a4a30ee2e2ab6bb66456ab246f77bf50ff2260091c2c36e7432eb6c0da2d0eec
sha512 922166342c6b3376cd8682876fa92850dd55e1a1a38439eea1727ff09023b972a88d64b9aa56df9239884726ad13550bcc848d4a51273e3354ad606b13a361e2
ripemd-160 ba18509b58a4e68bcfd6995d52fa7d7b100e4e5f

128123957 as geometric shapes

Circle

Radius = n
Diameter 256247914
Circumference 805026564.12011
Area 5.1571594442591E+16

Sphere

Radius = n
Volume 8.8100756650453E+24
Surface area 2.0628637777037E+17
Circumference 805026564.12011

Square

Length = n
Perimeter 512495828
Area 16415748357337849
Diagonal 181194637.65431

Cube

Length = n
Surface area 98494490144027094
Volume 2.1032506366584E+24
Space diagonal 221917203.19077

Equilateral Triangle

Length = n
Perimeter 384371871
Area 7.1082275497936E+15
Altitude 110958601.59539

Triangular Pyramid

Length = n
Surface area 7.1082275497936E+15
Volume 2.4787046461934E+23
Height 60398212.551436