21431657 (number)

21431657 is an odd 8-digits composite number following 21431656 and preceding 21431658. In scientific notation, it is written as 2.1431657 × 10^7. The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors. There are 19783056 positive integers (up to 21431657) that are relatively prime to 21431657.

Interesting facts

Basic properties

Name

Name twenty-one million four hundred thirty-one thousand six hundred fifty-seven

Notation

Scientific notation 2.1431657 × 10^7
Engineering notation 2.1431657 × 10^6

Prime Factorization of 21431657

Prime Factorization 13 × 1648589

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21431657
Product of the distinct prime numbers

The prime factorization of 21431657 is 13 × 1648589. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21431657)

Multiplication

n×y
n×2 42863314
n×3 64294971
n×4 85726628
n×5 107158285

Division

n÷y
n÷2 10715828.5
n÷3 7143885.6666667
n÷3 5357914.25
n÷5 4286331.4

Exponentiation

ny
n2 459315921765649
n3 9.8439012899202E+21
n4 2.1097111598743E+29
n5 4.5214605947498E+36

Nth Root

y√n
2√n 4629.4337666717
3√n 277.76994320422
4√n 68.039942435835
5√n 29.255744196818

Divisors of 21431657

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 -21431656
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 21431657 can be divided by 4 positive divisors. The sum of these divisors (counting 21431657) is 1, the average is 0.25.

Base conversion 21431657

Base System Value
2 Binary 1010001110000010101101001
3 Ternary 1111022211201002
4 Quaternary 1101300111221
5 Quinary 20441303112
6 Senary 2043204345
8 Octal 121602551
10 Decimal 21431657
12 Duodecimal 72166b5
16 Hexadecimal 1470569
20 Vigesimal 6dij2h
36 Base36 crcrt

Cryptographic Hash Functions

md5 1904aac40a19242c1f2f659d6ff3a694
sha1 f66d76f2703b94e91ee6b4eaba1c863391453d18
sha256 5c40da74864177ca5afa179a547cfd88d8316f5938896219f4be67b8ce2ea215
sha512 17a24e85de9c2f4d6f573249b585ac9917e84079ae3d6f76825e4e263d26f631b219679706175db6082f3749be9875711ac4e67e13d09cebd3b6fc2319413dfd
ripemd-160 28eddf123de938173a410c393956c2ae0cb1c078

21431657 as geometric shapes

Circle

Radius = n
Diameter 42863314
Circumference 134659072.37091
Area 1.4429835254958E+15

Sphere

Radius = n
Volume 4.1234037300102E+22
Surface area 5.7719341019831E+15
Circumference 134659072.37091

Square

Length = n
Perimeter 85726628
Area 459315921765649
Diagonal 30308939.993528

Cube

Length = n
Surface area 2755895530593894
Volume 9.8439012899202E+21
Space diagonal 37120718.814389

Equilateral Triangle

Length = n
Perimeter 64294971
Area 1.9888962830586E+14
Altitude 18560359.407195

Triangular Pyramid

Length = n
Surface area 1.9888962830586E+14
Volume 1.1601148925723E+21
Height 10102979.997843