25121421 (number)

25121421 is an odd 8-digits composite number following 25121420 and preceding 25121422. In scientific notation, it is written as 2.5121421 × 10^7. The sum of its digits is 18. It has a total of 3 prime factors and 8 positive divisors. There are 15458688 positive integers (up to 25121421) that are relatively prime to 25121421.

Interesting facts

Basic properties

Name

Name twenty-five million one hundred twenty-one thousand four hundred twenty-one

Notation

Scientific notation 2.5121421 × 10^7
Engineering notation 2.5121421 × 10^6

Prime Factorization of 25121421

Prime Factorization 81 × 13 × 23857

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 25121421
Product of the distinct prime numbers

The prime factorization of 25121421 is 81 × 13 × 23857. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 25121421)

Multiplication

n×y
n×2 50242842
n×3 75364263
n×4 100485684
n×5 125607105

Division

n÷y
n÷2 12560710.5
n÷3 8373807
n÷3 6280355.25
n÷5 5024284.2

Exponentiation

ny
n2 631085793059241
n3 1.585377189456E+22
n4 3.9826927820121E+29
n5 1.0005090209059E+37

Nth Root

y√n
2√n 5012.1273926348
3√n 292.87439237792
4√n 70.796379798933
5√n 30.200131941259

Divisors of 25121421

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -25121420
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 25121421 can be divided by 8 positive divisors. The sum of these divisors (counting 25121421) is 1, the average is 0.125.

Base conversion 25121421

Base System Value
2 Binary 1011111110101001010001101
3 Ternary 1202021022010000
4 Quaternary 1133311022031
5 Quinary 22412341141
6 Senary 2254234513
8 Octal 137651215
10 Decimal 25121421
12 Duodecimal 84b5a39
16 Hexadecimal 17f528d
20 Vigesimal 7h03b1
36 Base36 eyft9

Cryptographic Hash Functions

md5 0a5576ad60e6e514cee8a613b32bbcb9
sha1 0c2e81441385f07785d8bc1849709f570e7d8a75
sha256 91d744103459bad5cbda25895b73c5f5289a4589fbaf12c3fc3a384cfbf2e656
sha512 2a0dd45d02e8e4c70a5da29200b94e5cf65e0af1b8a0674a8d4ddf89b3635a6f585c747e883918bbf3015d2ed4cd6599d291f7abe17476e842044e7601d159d1
ripemd-160 559e9c4fec67dd75479e1175934980ef8f6b359d

25121421 as geometric shapes

Circle

Radius = n
Diameter 50242842
Circumference 157842543.32267
Area 1.9826144912598E+15

Sphere

Radius = n
Volume 6.6408124420851E+22
Surface area 7.9304579650392E+15
Circumference 157842543.32267

Square

Length = n
Perimeter 100485684
Area 631085793059241
Diagonal 35527054.284284

Cube

Length = n
Surface area 3786514758355446
Volume 1.585377189456E+22
Space diagonal 43511577.530328

Equilateral Triangle

Length = n
Perimeter 75364263
Area 2.7326816437838E+14
Altitude 21755788.765164

Triangular Pyramid

Length = n
Surface area 2.7326816437838E+14
Volume 1.8683849356714E+21
Height 11842351.428095