25101981 (number)

25101981 is an odd 8-digits composite number following 25101980 and preceding 25101982. In scientific notation, it is written as 2.5101981 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 16343208 positive integers (up to 25101981) that are relatively prime to 25101981.

Interesting facts

Basic properties

Name

Name twenty-five million one hundred one thousand nine hundred eighty-one

Notation

Scientific notation 2.5101981 × 10^7
Engineering notation 2.5101981 × 10^6

Prime Factorization of 25101981

Prime Factorization 9 × 9 × 43 × 7207

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 2789109
Product of the distinct prime numbers

The prime factorization of 25101981 is 9 × 9 × 43 × 7207. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 25101981)

Multiplication

n×y
n×2 50203962
n×3 75305943
n×4 100407924
n×5 125509905

Division

n÷y
n÷2 12550990.5
n÷3 8367327
n÷3 6275495.25
n÷5 5020396.2

Exponentiation

ny
n2 630109450124361
n3 1.5816995444942E+22
n4 3.9703791913602E+29
n5 9.966438302432E+36

Nth Root

y√n
2√n 5010.187721034
3√n 292.79882675558
4√n 70.782679527085
5√n 30.19545647027

Divisors of 25101981

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -25101980
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 25101981 can be divided by 12 positive divisors. The sum of these divisors (counting 25101981) is 1, the average is 0.083333333333333.

Base conversion 25101981

Base System Value
2 Binary 1011111110000011010011101
3 Ternary 1202020022110000
4 Quaternary 1133300122131
5 Quinary 22411230411
6 Senary 2254004513
8 Octal 137603235
10 Decimal 25101981
12 Duodecimal 84a6739
16 Hexadecimal 17f069d
20 Vigesimal 7ghej1
36 Base36 ey0t9

Cryptographic Hash Functions

md5 d341f91b579d59b3889146aa0cf5a21c
sha1 31676b41e66469303fd20ffb1a47b3564ac6795e
sha256 6122deb1bc4cc668ffe2b955dc9ba62c9614d8e2c158f08f6817ebc6f8e32dca
sha512 4fa60912bad3e20e76c2ca45465589b7d90654de7751f6e925b0da3a5b7f5f1b31572a38656bdba2ef87d83ffbec6b02cbe66ddc8c95772142bee209b296b617
ripemd-160 72cadff64285f436159a10c8b145e9f99d0b8ab5

25101981 as geometric shapes

Circle

Radius = n
Diameter 50203962
Circumference 157720398.2003
Area 1.9795472194682E+15

Sphere

Radius = n
Volume 6.6254075588925E+22
Surface area 7.9181888778728E+15
Circumference 157720398.2003

Square

Length = n
Perimeter 100407924
Area 630109450124361
Diagonal 35499561.972632

Cube

Length = n
Surface area 3780656700746166
Volume 1.5816995444942E+22
Space diagonal 43477906.462629

Equilateral Triangle

Length = n
Perimeter 75305943
Area 2.7284539548617E+14
Altitude 21738953.231314

Triangular Pyramid

Length = n
Surface area 2.7284539548617E+14
Volume 1.8640507895192E+21
Height 11833187.324211