21689907 (number)

21689907 is an odd 8-digits composite number following 21689906 and preceding 21689908. In scientific notation, it is written as 2.1689907 × 10^7. The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors. There are 14459936 positive integers (up to 21689907) that are relatively prime to 21689907.

Interesting facts

Basic properties

Name

Name twenty-one million six hundred eighty-nine thousand nine hundred seven

Notation

Scientific notation 2.1689907 × 10^7
Engineering notation 2.1689907 × 10^6

Prime Factorization of 21689907

Prime Factorization 3 × 7229969

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21689907
Product of the distinct prime numbers

The prime factorization of 21689907 is 3 × 7229969. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21689907)

Multiplication

n×y
n×2 43379814
n×3 65069721
n×4 86759628
n×5 108449535

Division

n÷y
n÷2 10844953.5
n÷3 7229969
n÷3 5422476.75
n÷5 4337981.4

Exponentiation

ny
n2 470452065668649
n3 1.0204061552311E+22
n4 2.213251460919E+29
n5 4.8005218354947E+36

Nth Root

y√n
2√n 4657.2424244396
3√n 278.8811945189
4√n 68.243991855984
5√n 29.325912739615

Divisors of 21689907

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 -21689906
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 21689907 can be divided by 4 positive divisors. The sum of these divisors (counting 21689907) is 1, the average is 0.25.

Base conversion 21689907

Base System Value
2 Binary 1010010101111011000110011
3 Ternary 1111210221221220
4 Quaternary 1102233120303
5 Quinary 21023034112
6 Senary 2052520123
8 Octal 122573063
10 Decimal 21689907
12 Duodecimal 7320043
16 Hexadecimal 14af633
20 Vigesimal 6fb4f7
36 Base36 cww1f

Cryptographic Hash Functions

md5 e889b09099278330bba580c8f6f8b4a7
sha1 b833428b24d151a120a964767536aa19be10a348
sha256 7b2829df3f5a09b297efdc96a18aa88f6e79892f2081b5b22a1d2776d96731e5
sha512 2537a63bac24964854c8e815ab04c6b933deded99e071ea863950872c3b7ebaf03069e8cfea9a0aef9f52dff13412e7fa325176afdad0fe4482ac72201d7bd99
ripemd-160 4c0f4b0121b45c16af9e26742a22e65783daa065

21689907 as geometric shapes

Circle

Radius = n
Diameter 43379814
Circumference 136281704.97649
Area 1.4779687533708E+15

Sphere

Radius = n
Volume 4.2742673079357E+22
Surface area 5.9118750134831E+15
Circumference 136281704.97649

Square

Length = n
Perimeter 86759628
Area 470452065668649
Diagonal 30674160.646011

Cube

Length = n
Surface area 2822712394011894
Volume 1.0204061552311E+22
Space diagonal 37568020.935444

Equilateral Triangle

Length = n
Perimeter 65069721
Area 2.0371172006596E+14
Altitude 18784010.467722

Triangular Pyramid

Length = n
Surface area 2.0371172006596E+14
Volume 1.2025601865473E+21
Height 10224720.215337