21931609 (number)

21931609 is an odd 8-digits composite number following 21931608 and preceding 21931610. In scientific notation, it is written as 2.1931609 × 10^7. The sum of its digits is 31. It has a total of 4 prime factors and 16 positive divisors. There are 18358272 positive integers (up to 21931609) that are relatively prime to 21931609.

Interesting facts

Basic properties

Name

Name twenty-one million nine hundred thirty-one thousand six hundred nine

Notation

Scientific notation 2.1931609 × 10^7
Engineering notation 2.1931609 × 10^6

Prime Factorization of 21931609

Prime Factorization 7 × 73 × 167 × 257

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21931609
Product of the distinct prime numbers

The prime factorization of 21931609 is 7 × 73 × 167 × 257. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 4, 59, 17, 792, 20, 3824, 3974, 34665, 50696, 536104, 126952, 3597899, 821462, 48978198, 40371761, 178322063, 694944736, 8291914550, 1762310494

Basic calculations (n = 21931609)

Multiplication

n×y
n×2 43863218
n×3 65794827
n×4 87726436
n×5 109658045

Division

n÷y
n÷2 10965804.5
n÷3 7310536.3333333
n÷3 5482902.25
n÷5 4386321.8

Exponentiation

ny
n2 480995473328881
n3 1.0549004651819E+22
n4 2.3135664536287E+29
n5 5.0740234856502E+36

Nth Root

y√n
2√n 4683.1195799381
3√n 279.91327671374
4√n 68.433322145999
5√n 29.390982144165

Divisors of 21931609

1, 7, 73, 167, 257, 511, 1169, 1799, 12191, 18761, 42919, 85337, 131327, 300433, 3133087, 21931609

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 -21931608
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 21931609 can be divided by 16 positive divisors. The sum of these divisors (counting 21931609) is 1, the average is 0.0625.

Base conversion 21931609

Base System Value
2 Binary 1010011101010011001011001
3 Ternary 1112021020111211
4 Quaternary 1103222121121
5 Quinary 21103302414
6 Senary 2102023121
8 Octal 123523131
10 Decimal 21931609
12 Duodecimal 7417aa1
16 Hexadecimal 14ea659
20 Vigesimal 6h1909
36 Base36 d22jd

Cryptographic Hash Functions

md5 c2a31427ad24c6db87e19cb33b1f7e08
sha1 2ad959214ba930df1ab2c477e004c6fb1cb865ba
sha256 31f48441518ae166aefc1e509a95bedde93d70cbc5379f800faf853db4e0781b
sha512 965e594d9e3b20de073899ad5a6588ebd96ef4a19b2c13387e17cb1bce93f6b44c5d2ecd700b31b1c57af1eae8d9ff1baba1a39831c143091bdad9c01ffb2bac
ripemd-160 cd4780632be96ef1ebcf87150735dce4598ddcb4

21931609 as geometric shapes

Circle

Radius = n
Diameter 43863218
Circumference 137800363.43161
Area 1.51109184542E+15

Sphere

Radius = n
Volume 4.4187567355785E+22
Surface area 6.0443673816798E+15
Circumference 137800363.43161

Square

Length = n
Perimeter 87726436
Area 480995473328881
Diagonal 31015978.892464

Cube

Length = n
Surface area 2885972839973286
Volume 1.0549004651819E+22
Space diagonal 37986661.079735

Equilateral Triangle

Length = n
Perimeter 65794827
Area 2.0827714950407E+14
Altitude 18993330.539867

Triangular Pyramid

Length = n
Surface area 2.0827714950407E+14
Volume 1.2432121206783E+21
Height 10338659.630821