21504257 (number)

21504257 is an odd 8-digits composite number following 21504256 and preceding 21504258. In scientific notation, it is written as 2.1504257 × 10^7. The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors. There are 19897920 positive integers (up to 21504257) that are relatively prime to 21504257.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred four thousand two hundred fifty-seven

Notation

Scientific notation 2.1504257 × 10^7
Engineering notation 2.1504257 × 10^6

Prime Factorization of 21504257

Prime Factorization 19 × 43 × 26321

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21504257
Product of the distinct prime numbers

The prime factorization of 21504257 is 19 × 43 × 26321. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21504257)

Multiplication

n×y
n×2 43008514
n×3 64512771
n×4 86017028
n×5 107521285

Division

n÷y
n÷2 10752128.5
n÷3 7168085.6666667
n÷3 5376064.25
n÷5 4300851.4

Exponentiation

ny
n2 462433069122049
n3 9.9442795636993E+21
n4 2.1384434341764E+29
n5 4.5985637188491E+36

Nth Root

y√n
2√n 4637.2682691429
3√n 278.08323939757
4√n 68.097490916648
5√n 29.275538232144

Divisors of 21504257

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21504256
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21504257 can be divided by 8 positive divisors. The sum of these divisors (counting 21504257) is 1, the average is 0.125.

Base conversion 21504257

Base System Value
2 Binary 1010010000010000100000001
3 Ternary 1111110112021222
4 Quaternary 1102002010001
5 Quinary 21001114012
6 Senary 2044524425
8 Octal 122020401
10 Decimal 21504257
12 Duodecimal 7250715
16 Hexadecimal 1482101
20 Vigesimal 6e80ch
36 Base36 cswsh

Cryptographic Hash Functions

md5 730c01915110cb552deea3a143652282
sha1 25a55a29eb12e0d93de12ee16cda0f24c05bda82
sha256 312ef5307896ea8ebad5b34adffaab020a08c3333c7e105cd6c2f76f23a58825
sha512 6d90e70b41acd6c9b389f3a80927f4b3f327d7102515834f4ba791e3228d9118580b33208e3ecc4a4e714460d77b8b6fc15f1f23e685e1c47bab54d56f466626
ripemd-160 bf3985fb22ab08e64f985f88d91f1dd4b439adb0

21504257 as geometric shapes

Circle

Radius = n
Diameter 43008514
Circumference 135115231.62421
Area 1.4527763327308E+15

Sphere

Radius = n
Volume 4.1654500830081E+22
Surface area 5.8111053309232E+15
Circumference 135115231.62421

Square

Length = n
Perimeter 86017028
Area 462433069122049
Diagonal 30411611.898157

Cube

Length = n
Surface area 2774598414732294
Volume 9.9442795636993E+21
Space diagonal 37246465.703019

Equilateral Triangle

Length = n
Perimeter 64512771
Area 2.0023939270485E+14
Altitude 18623232.851509

Triangular Pyramid

Length = n
Surface area 2.0023939270485E+14
Volume 1.1719445855844E+21
Height 10137203.966052