21253385 (number)

21253385 is an odd 8-digits composite number following 21253384 and preceding 21253386. In scientific notation, it is written as 2.1253385 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 8 positive divisors. There are 16982784 positive integers (up to 21253385) that are relatively prime to 21253385.

Interesting facts

Basic properties

Name

Name twenty-one million two hundred fifty-three thousand three hundred eighty-five

Notation

Scientific notation 2.1253385 × 10^7
Engineering notation 2.1253385 × 10^6

Prime Factorization of 21253385

Prime Factorization 5 × 1093 × 3889

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21253385
Product of the distinct prime numbers

The prime factorization of 21253385 is 5 × 1093 × 3889. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21253385)

Multiplication

n×y
n×2 42506770
n×3 63760155
n×4 85013540
n×5 106266925

Division

n÷y
n÷2 10626692.5
n÷3 7084461.6666667
n÷3 5313346.25
n÷5 4250677

Exponentiation

ny
n2 451706373958225
n3 9.6002894726881E+21
n4 2.0403864827449E+29
n5 4.3365119466573E+36

Nth Root

y√n
2√n 4610.1393688261
3√n 276.99761930643
4√n 67.898007104966
5√n 29.206910637854

Divisors of 21253385

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 -21253384
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 21253385 can be divided by 8 positive divisors. The sum of these divisors (counting 21253385) is 1, the average is 0.125.

Base conversion 21253385

Base System Value
2 Binary 1010001000100110100001001
3 Ternary 1110222210011102
4 Quaternary 1101010310021
5 Quinary 20420102020
6 Senary 2035311145
8 Octal 121046411
10 Decimal 21253385
12 Duodecimal 714b4b5
16 Hexadecimal 1444d09
20 Vigesimal 6cgd95
36 Base36 cnj7t

Cryptographic Hash Functions

md5 722c2de89d47c420f70bf80a458e11b3
sha1 efdf9a0a5de4a31dec992257462457cad6836f43
sha256 93391a2a952b8d4c1bd10888539eaa2a64e1f634920fc5268a766131ae1581cf
sha512 dd0fb0902db78b6d8474878c8683b80037909af7df16641415e9eef2dcef8dce3eafda9f383209833ca48f499210141a41eff703bf355ca5ecff00c7188171d4
ripemd-160 20330a0eec6b0b01ccba8aaca1a9ff61bb62865e

21253385 as geometric shapes

Circle

Radius = n
Diameter 42506770
Circumference 133538956.35983
Area 1.4190774260068E+15

Sphere

Radius = n
Volume 4.021359850631E+22
Surface area 5.6763097040274E+15
Circumference 133538956.35983

Square

Length = n
Perimeter 85013540
Area 451706373958225
Diagonal 30056825.313337

Cube

Length = n
Surface area 2710238243749350
Volume 9.6002894726881E+21
Space diagonal 36811942.652822

Equilateral Triangle

Length = n
Perimeter 63760155
Area 1.9559459744959E+14
Altitude 18405971.326411

Triangular Pyramid

Length = n
Surface area 1.9559459744959E+14
Volume 1.1314049645819E+21
Height 10018941.771112