25128891 (number)

25128891 is an odd 8-digits composite number following 25128890 and preceding 25128892. In scientific notation, it is written as 2.5128891 × 10^7. The sum of its digits is 36. It has a total of 3 prime factors and 6 positive divisors. There are 16752588 positive integers (up to 25128891) that are relatively prime to 25128891.

Interesting facts

Basic properties

Name

Name twenty-five million one hundred twenty-eight thousand eight hundred ninety-one

Notation

Scientific notation 2.5128891 × 10^7
Engineering notation 2.5128891 × 10^6

Prime Factorization of 25128891

Prime Factorization 3 × 3 × 2792099

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 8376297
Product of the distinct prime numbers

The prime factorization of 25128891 is 3 × 3 × 2792099. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 25128891)

Multiplication

n×y
n×2 50257782
n×3 75386673
n×4 100515564
n×5 125644455

Division

n÷y
n÷2 12564445.5
n÷3 8376297
n÷3 6282222.75
n÷5 5025778.2

Exponentiation

ny
n2 631461162889881
n3 1.5867918732993E+22
n4 3.9874320023824E+29
n5 1.0019974415778E+37

Nth Root

y√n
2√n 5012.8725297977
3√n 292.90341879988
4√n 70.801642140544
5√n 30.201927764493

Divisors of 25128891

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -25128890
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 25128891 can be divided by 6 positive divisors. The sum of these divisors (counting 25128891) is 1, the average is 0.16666666666667.

Base conversion 25128891

Base System Value
2 Binary 1011111110110111110111011
3 Ternary 1202021200100200
4 Quaternary 1133312332323
5 Quinary 22413111031
6 Senary 2254333243
8 Octal 137667673
10 Decimal 25128891
12 Duodecimal 84ba223
16 Hexadecimal 17f6fbb
20 Vigesimal 7h124b
36 Base36 eylkr

Cryptographic Hash Functions

md5 74e591f1b292784ba82257a42d36d0e3
sha1 206ff6fcede692d0c6dfb288dff9ddb153871d40
sha256 71f9a6b012acc8eafadffc3d77cb702494e5ef0d60728c5ca3a7b85145279d43
sha512 ebc2cf500a0ada59e606099cb4ed4794e4d80a795520e2659bf7c6befe838bb814d091bff3a72c2f3bee52b89f207d28125914f2487585c6157e7f2e1679bed8
ripemd-160 1f3d2835511347f40355ede9d3aed5888ee38ae2

25128891 as geometric shapes

Circle

Radius = n
Diameter 50257782
Circumference 157889478.71692
Area 1.9837937503621E+15

Sphere

Radius = n
Volume 6.6467382559108E+22
Surface area 7.9351750014485E+15
Circumference 157889478.71692

Square

Length = n
Perimeter 100515564
Area 631461162889881
Diagonal 35537618.459595

Cube

Length = n
Surface area 3788766977339286
Volume 1.5867918732993E+22
Space diagonal 43524515.94986

Equilateral Triangle

Length = n
Perimeter 75386673
Area 2.7343070428295E+14
Altitude 21762257.97493

Triangular Pyramid

Length = n
Surface area 2.7343070428295E+14
Volume 1.8700521565694E+21
Height 11845872.819865