21861031 (number)

21861031 is an odd 8-digits composite number following 21861030 and preceding 21861032. In scientific notation, it is written as 2.1861031 × 10^7. The sum of its digits is 22. It has a total of 2 prime factors and 4 positive divisors. There are 20575072 positive integers (up to 21861031) that are relatively prime to 21861031.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1861031 × 10^7
Engineering notation 2.1861031 × 10^6

Prime Factorization of 21861031

Prime Factorization 17 × 1285943

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21861031
Product of the distinct prime numbers

The prime factorization of 21861031 is 17 × 1285943. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21861031)

Multiplication

n×y
n×2 43722062
n×3 65583093
n×4 87444124
n×5 109305155

Division

n÷y
n÷2 10930515.5
n÷3 7287010.3333333
n÷3 5465257.75
n÷5 4372206.2

Exponentiation

ny
n2 477904676382961
n3 1.0447488945453E+22
n4 2.283928797087E+29
n5 4.9929038234912E+36

Nth Root

y√n
2√n 4675.5781460692
3√n 279.61269154556
4√n 68.378199347959
5√n 29.372041152686

Divisors of 21861031

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 -21861030
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 21861031 can be divided by 4 positive divisors. The sum of these divisors (counting 21861031) is 1, the average is 0.25.

Base conversion 21861031

Base System Value
2 Binary 1010011011001001010100111
3 Ternary 1112010122200211
4 Quaternary 1103121022213
5 Quinary 21044023111
6 Senary 2100320251
8 Octal 123311247
10 Decimal 21861031
12 Duodecimal 73a3087
16 Hexadecimal 14d92a7
20 Vigesimal 6gccbb
36 Base36 d0k2v

Cryptographic Hash Functions

md5 099bce0384fe738f92222feb98c86fdb
sha1 6d4359aec388dd22e7a6609c2135df8ebfc333e1
sha256 536cd2753ed4815557681f2a96915ecec9a3861eab2d1251087cbc91760ed50a
sha512 32136f821a00b255d5888cf5d2596be12034e4d4588ccd6c4259ca412462b8f18190d22fcef349da08d1f9500237f078a1260f130b318b294ebb424f8f3d6e98
ripemd-160 5305c66b9a4d54679e5e992afa5fa8173ce0a486

21861031 as geometric shapes

Circle

Radius = n
Diameter 43722062
Circumference 137356908.779
Area 1.5013818204409E+15

Sphere

Radius = n
Volume 4.3762339359327E+22
Surface area 6.0055272817637E+15
Circumference 137356908.779

Square

Length = n
Perimeter 87444124
Area 477904676382961
Diagonal 30916166.527659

Cube

Length = n
Surface area 2867428058297766
Volume 1.0447488945453E+22
Space diagonal 37864416.397838

Equilateral Triangle

Length = n
Perimeter 65583093
Area 2.0693879516751E+14
Altitude 18932208.198919

Triangular Pyramid

Length = n
Surface area 2.0693879516751E+14
Volume 1.2312483799502E+21
Height 10305388.842553