25218985 (number)

25218985 is an odd 8-digits composite number following 25218984 and preceding 25218986. In scientific notation, it is written as 2.5218985 × 10^7. The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors. There are 17375040 positive integers (up to 25218985) that are relatively prime to 25218985.

Interesting facts

Basic properties

Name

Name twenty-five million two hundred eighteen thousand nine hundred eighty-five

Notation

Scientific notation 2.5218985 × 10^7
Engineering notation 2.5218985 × 10^6

Prime Factorization of 25218985

Prime Factorization 5 × 19 × 11 × 24133

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 25218985
Product of the distinct prime numbers

The prime factorization of 25218985 is 5 × 19 × 11 × 24133. Since it has a total of 4 prime factors.

Most popular turbo-numbers

Basic calculations (n = 25218985)

Multiplication

n×y
n×2 50437970
n×3 75656955
n×4 100875940
n×5 126094925

Division

n÷y
n÷2 12609492.5
n÷3 8406328.3333333
n÷3 6304746.25
n÷5 5043797

Exponentiation

ny
n2 635997204430225
n3 1.6039203958568E+22
n4 4.0449244404306E+29
n5 1.0200888878935E+37

Nth Root

y√n
2√n 5021.850754453
3√n 293.25304778789
4√n 70.865017846981
5√n 30.2235532204

Divisors of 25218985

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -25218984
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 25218985 can be divided by 16 positive divisors. The sum of these divisors (counting 25218985) is 1, the average is 0.0625.

Base conversion 25218985

Base System Value
2 Binary 1100000001100111110101001
3 Ternary 1202110020221111
4 Quaternary 1200030332221
5 Quinary 22424001420
6 Senary 2300310321
8 Octal 140147651
10 Decimal 25218985
12 Duodecimal 85423a1
16 Hexadecimal 180cfa9
20 Vigesimal 7hc795
36 Base36 f0j3d

Cryptographic Hash Functions

md5 e047a99cc513a1bbc5c658f55a8abb81
sha1 f792886a336db144f1bcca3df920e3df476b24dd
sha256 19d7b50499fa983ded2bf07dbbd686c7b68077f892ee3c8eed6eb7db2e792c99
sha512 c9528a61d6ac0ada4b9f426288c894e7cb4f1f7678cd270d6e5ed489a38b13177e1e58bca3d2d6976d957ce510ec6155d7a57e91b5ec9ef77591fa58a90d536a
ripemd-160 71de665190224c51c3fd97e111ed30690de3717a

25218985 as geometric shapes

Circle

Radius = n
Diameter 50437970
Circumference 158455556.01398
Area 1.9980441451416E+15

Sphere

Radius = n
Volume 6.718486043422E+22
Surface area 7.9921765805666E+15
Circumference 158455556.01398

Square

Length = n
Perimeter 100875940
Area 635997204430225
Diagonal 35665030.616284

Cube

Length = n
Surface area 3815983226581350
Volume 1.6039203958568E+22
Space diagonal 43680563.335317

Equilateral Triangle

Length = n
Perimeter 75656955
Area 2.7539486788623E+14
Altitude 21840281.667659

Triangular Pyramid

Length = n
Surface area 2.7539486788623E+14
Volume 1.8902383139896E+21
Height 11888343.538761