21252913 (number)

21252913 is an odd 8-digits composite number following 21252912 and preceding 21252914. In scientific notation, it is written as 2.1252913 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 19189680 positive integers (up to 21252913) that are relatively prime to 21252913.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred fifty-two thousand nine hundred thirteen

Notation

Scientific notation 2.1252913 × 10^7
Engineering notation 2.1252913 × 10^6

Prime Factorization of 21252913

Prime Factorization 1639 × 12967

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21252913
Product of the distinct prime numbers

The prime factorization of 21252913 is 1639 × 12967. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21252913)

Multiplication

n×y
n×2 42505826
n×3 63758739
n×4 85011652
n×5 106264565

Division

n÷y
n÷2 10626456.5
n÷3 7084304.3333333
n÷3 5313228.25
n÷5 4250582.6

Exponentiation

ny
n2 451686310985569
n3 9.5996498706672E+21
n4 2.0402052353175E+29
n5 4.3360304368348E+36

Nth Root

y√n
2√n 4610.0881770309
3√n 276.99556874925
4√n 67.897630128237
5√n 29.206780909961

Divisors of 21252913

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 -21252912
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 21252913 can be divided by 4 positive divisors. The sum of these divisors (counting 21252913) is 1, the average is 0.25.

Base conversion 21252913

Base System Value
2 Binary 1010001000100101100110001
3 Ternary 1110222202111221
4 Quaternary 1101010230301
5 Quinary 20420043123
6 Senary 2035305041
8 Octal 121045461
10 Decimal 21252913
12 Duodecimal 714b181
16 Hexadecimal 1444b31
20 Vigesimal 6cgc5d
36 Base36 cniup

Cryptographic Hash Functions

md5 47b9ca42b128002912f1556ee5a7cf95
sha1 8c2760298d1eeaa47dc626b62498a3276874f057
sha256 c65485ed2d4b5a520a11bd0aba88be968bf7f87a143968ca3ac8c4cd2f89e4fd
sha512 f4f85837bf576439c0500bd81ee73ac47867267340137c18ce3a25da1b4699414199cd1a141533d2265587c525936dada3adfa4c0652b12e4a2a8fb605401e43
ripemd-160 67c5b1b94bfe5338e7ef95790518a99c192ace49

21252913 as geometric shapes

Circle

Radius = n
Diameter 42505826
Circumference 133535990.69637
Area 1.4190143963193E+15

Sphere

Radius = n
Volume 4.021091934763E+22
Surface area 5.6760575852774E+15
Circumference 133535990.69637

Square

Length = n
Perimeter 85011652
Area 451686310985569
Diagonal 30056157.804535

Cube

Length = n
Surface area 2710117865913414
Volume 9.5996498706672E+21
Space diagonal 36811125.124841

Equilateral Triangle

Length = n
Perimeter 63758739
Area 1.9558590992759E+14
Altitude 18405562.562421

Triangular Pyramid

Length = n
Surface area 1.9558590992759E+14
Volume 1.1313295867609E+21
Height 10018719.268178