128169938 (number)

128169938 is an even 9-digits composite number following 128169937 and preceding 128169939. In scientific notation, it is written as 1.28169938 × 10^8. The sum of its digits is 47. It has a total of 5 prime factors and 24 positive divisors. There are 56579952 positive integers (up to 128169938) that are relatively prime to 128169938.

Interesting facts

Basic properties

Name

Name one hundred twenty-eight million one hundred sixty-nine thousand nine hundred thirty-eight

Notation

Scientific notation 1.28169938 × 10^8
Engineering notation 1.28169938 × 10^6

Prime Factorization of 128169938

Prime Factorization 2 × 13 × 23 × 13 × 16487

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 5
Total number of prime factors
rad Radical 9859226
Product of the distinct prime numbers

The prime factorization of 128169938 is 2 × 13 × 23 × 13 × 16487. Since it has a total of 5 prime factors.

Most popular turbo-numbers

Basic calculations (n = 128169938)

Multiplication

n×y
n×2 256339876
n×3 384509814
n×4 512679752
n×5 640849690

Division

n÷y
n÷2 64084969
n÷3 42723312.666667
n÷3 32042484.5
n÷5 25633987.6

Exponentiation

ny
n2 16427533006923844
n3 2.1055158869904E+24
n4 2.6986384069357E+32
n5 3.4588431730137E+40

Nth Root

y√n
2√n 11321.216277415
3√n 504.19135097896
4√n 106.40120430434
5√n 41.836682078897

Divisors of 128169938

24 divisors

τ Total Divisors 24
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -128169937
Sum of the proper positive divisors of n
A Arithmetic Mean 0.041666666666667
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 24
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 128169938 can be divided by 24 positive divisors. The sum of these divisors (counting 128169938) is 1, the average is 0.041666666666667.

Base conversion 128169938

Base System Value
2 Binary 111101000111011011111010010
3 Ternary 22221011201002202
4 Quaternary 13220323133102
5 Quinary 230302414223
6 Senary 20415043202
8 Octal 750733722
10 Decimal 128169938
12 Duodecimal 36b10502
16 Hexadecimal 7a3b7d2
20 Vigesimal 20114gi
36 Base36 24b4k2

Cryptographic Hash Functions

md5 f4c54bdeb44f153f89b542a520ca6728
sha1 1ef57ff6e8e95e93a9c3f80ee510e74977f8dc25
sha256 f37cfaa0346ce24f6dfda520dcc7fd9712ffb3bc2392f8d6a6f63afd382583fe
sha512 08d4e509fa2e0ff1fa8770be3e2750eff2ea8b9561fea83c6b15e40f733e10fb3b48c5863cef92d6cdda33f08853d7b5cb2ab1e837594540f06ce04399d69a91
ripemd-160 2bb64afdb230d4ac96ac20385fed4a9755c0676a

128169938 as geometric shapes

Circle

Radius = n
Diameter 256339876
Circumference 805315471.26372
Area 5.1608617011156E+16

Sphere

Radius = n
Volume 8.8195643234474E+24
Surface area 2.0643446804462E+17
Circumference 805315471.26372

Square

Length = n
Perimeter 512679752
Area 16427533006923844
Diagonal 181259664.60812

Cube

Length = n
Surface area 98565198041543064
Volume 2.1055158869904E+24
Space diagonal 221996844.61895

Equilateral Triangle

Length = n
Perimeter 384509814
Area 7.1133304527517E+15
Altitude 110998422.30948

Triangular Pyramid

Length = n
Surface area 7.1133304527517E+15
Volume 2.4813742693115E+23
Height 60419888.202706