21861025 (number)

21861025 is an odd 8-digits composite number following 21861024 and preceding 21861026. In scientific notation, it is written as 2.1861025 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 17370000 positive integers (up to 21861025) that are relatively prime to 21861025.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1861025 × 10^7
Engineering notation 2.1861025 × 10^6

Prime Factorization of 21861025

Prime Factorization 3775 × 5791

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21861025
Product of the distinct prime numbers

The prime factorization of 21861025 is 3775 × 5791. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21861025)

Multiplication

n×y
n×2 43722050
n×3 65583075
n×4 87444100
n×5 109305125

Division

n÷y
n÷2 10930512.5
n÷3 7287008.3333333
n÷3 5465256.25
n÷5 4372205

Exponentiation

ny
n2 477904414050625
n3 1.0447480343171E+22
n4 2.2839262896907E+29
n5 4.9928969717086E+36

Nth Root

y√n
2√n 4675.5775044373
3√n 279.61266596463
4√n 68.378194656172
5√n 29.37203954039

Divisors of 21861025

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21861024
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21861025 can be divided by 4 positive divisors. The sum of these divisors (counting 21861025) is 1, the average is 0.25.

Base conversion 21861025

Base System Value
2 Binary 1010011011001001010100001
3 Ternary 1112010122200121
4 Quaternary 1103121022201
5 Quinary 21044023100
6 Senary 2100320241
8 Octal 123311241
10 Decimal 21861025
12 Duodecimal 73a3081
16 Hexadecimal 14d92a1
20 Vigesimal 6gccb5
36 Base36 d0k2p

Cryptographic Hash Functions

md5 2251e09c6edcb0b10798003f170ff9af
sha1 fdd3b7455e283beee05beed52688a6f3b0c02b7d
sha256 9b512163624fb2cc1fb3f3bb9b59793641c00e88d408b9d7648c998428262c7e
sha512 1712d1e018c74fc63302f621922e18cc9f2a295131c94a46a7ec555824ee7abe2ff70e7af365041d1298b82fa283d142ddbd4f94180b7b034c4dd26188abc105
ripemd-160 00d9d0b8d232b9361e02f1eda7017dfba0000d66

21861025 as geometric shapes

Circle

Radius = n
Diameter 43722050
Circumference 137356871.07989
Area 1.5013809962996E+15

Sphere

Radius = n
Volume 4.3762303326173E+22
Surface area 6.0055239851983E+15
Circumference 137356871.07989

Square

Length = n
Perimeter 87444100
Area 477904414050625
Diagonal 30916158.042377

Cube

Length = n
Surface area 2867426484303750
Volume 1.0447480343171E+22
Space diagonal 37864406.005533

Equilateral Triangle

Length = n
Perimeter 65583075
Area 2.0693868157428E+14
Altitude 18932203.002767

Triangular Pyramid

Length = n
Surface area 2.0693868157428E+14
Volume 1.2312473661616E+21
Height 10305386.014126