21395087 (number)

21395087 is an odd 8-digits composite number following 21395086 and preceding 21395088. In scientific notation, it is written as 2.1395087 × 10^7. The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors. There are 18245304 positive integers (up to 21395087) that are relatively prime to 21395087.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred ninety-five thousand eighty-seven

Notation

Scientific notation 2.1395087 × 10^7
Engineering notation 2.1395087 × 10^6

Prime Factorization of 21395087

Prime Factorization 7 × 199 × 15359

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21395087
Product of the distinct prime numbers

The prime factorization of 21395087 is 7 × 199 × 15359. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21395087)

Multiplication

n×y
n×2 42790174
n×3 64185261
n×4 85580348
n×5 106975435

Division

n÷y
n÷2 10697543.5
n÷3 7131695.6666667
n÷3 5348771.75
n÷5 4279017.4

Exponentiation

ny
n2 457749747737569
n3 9.7935956770733E+21
n4 2.0953483155381E+29
n5 4.4830159506241E+36

Nth Root

y√n
2√n 4625.4823532254
3√n 277.61186194389
4√n 68.010898782662
5√n 29.245753242285

Divisors of 21395087

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 -21395086
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 21395087 can be divided by 8 positive divisors. The sum of these divisors (counting 21395087) is 1, the average is 0.125.

Base conversion 21395087

Base System Value
2 Binary 1010001100111011010001111
3 Ternary 1111020222112122
4 Quaternary 1101213122033
5 Quinary 20434120322
6 Senary 2042323155
8 Octal 121473217
10 Decimal 21395087
12 Duodecimal 71b94bb
16 Hexadecimal 146768f
20 Vigesimal 6de7e7
36 Base36 cqkjz

Cryptographic Hash Functions

md5 49d123ba81a07beffc198ddac6cb58b8
sha1 6f15420b4c90cc604542511313904007d1bcde08
sha256 da16ef87ea9398743fd5826e308be5841a16d82095f9ad8031b5ba881763ca3f
sha512 6203530b2e7fa8d411d59f4e7bad3cc5471d7fe5517ef05f55a850c3e7c7f11eef1b7dabc706b1908ebaf426aca6087298db70ccf42adb8b05fa518b59e2bbc7
ripemd-160 7851d6fcdac24778be59e5f08ea86eae0dd9d2d0

21395087 as geometric shapes

Circle

Radius = n
Diameter 42790174
Circumference 134429296.28423
Area 1.4380632446749E+15

Sphere

Radius = n
Volume 4.1023317641763E+22
Surface area 5.7522529786997E+15
Circumference 134429296.28423

Square

Length = n
Perimeter 85580348
Area 457749747737569
Diagonal 30257222.203552

Cube

Length = n
Surface area 2746498486425414
Volume 9.7935956770733E+21
Space diagonal 37057377.716356

Equilateral Triangle

Length = n
Perimeter 64185261
Area 1.9821145505833E+14
Altitude 18528688.858178

Triangular Pyramid

Length = n
Surface area 1.9821145505833E+14
Volume 1.154186319243E+21
Height 10085740.734517