21087953 (number)

21087953 is an odd 8-digits prime number following 21087952 and preceding 21087954. In scientific notation, it is written as 2.1087953 × 10^7. The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors. There are 21087952 positive integers (up to 21087953) that are relatively prime to 21087953.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-seven thousand nine hundred fifty-three

Notation

Scientific notation 2.1087953 × 10^7
Engineering notation 2.1087953 × 10^6

Prime Factorization of 21087953

Prime Factorization 21087953

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21087953
Product of the distinct prime numbers

The prime factorization of 21087953 is 21087953. Since it has a total of 1 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21087953)

Multiplication

n×y
n×2 42175906
n×3 63263859
n×4 84351812
n×5 105439765

Division

n÷y
n÷2 10543976.5
n÷3 7029317.6666667
n÷3 5271988.25
n÷5 4217590.6

Exponentiation

ny
n2 444701761730209
n3 9.3778498503838E+21
n4 1.9775965688595E+29
n5 4.1703463497071E+36

Nth Root

y√n
2√n 4592.1621269289
3√n 276.27704887236
4√n 67.765493630083
5√n 29.161300284027

Divisors of 21087953

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21087954
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10543977
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4592.1622358101
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999051591
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21087953 can be divided by 2 positive divisors. The sum of these divisors (counting 21087953) is 21087954, the average is 10543977.

Base conversion 21087953

Base System Value
2 Binary 1010000011100011011010001
3 Ternary 1110200101020022
4 Quaternary 1100130123101
5 Quinary 20344303303
6 Senary 2031553225
8 Octal 120343321
10 Decimal 21087953
12 Duodecimal 708b815
16 Hexadecimal 141c6d1
20 Vigesimal 6bfjhd
36 Base36 cjzkh

Cryptographic Hash Functions

md5 106f54d022d5f4bbc0603221603c3bc3
sha1 04bb01a57c729c4c1fca92a70f21dada4faac55e
sha256 aaf2199470a91ea9c37f3750feaaa35fe8c5aa5727df59dce422ec57886c8dc8
sha512 85ac0b178a3567e2f7a052e1102c63beaa78675926f20a8ada160126d31787aca25264fcf314120668917d5a54b9657522d47e2990340695fdc398e18cc00243
ripemd-160 7d58ee1caeea543c6f69d99ff90a1abcae00f0b4

21087953 as geometric shapes

Circle

Radius = n
Diameter 42175906
Circumference 132499516.44809
Area 1.3970717876901E+15

Sphere

Radius = n
Volume 3.9281845595245E+22
Surface area 5.5882871507603E+15
Circumference 132499516.44809

Square

Length = n
Perimeter 84351812
Area 444701761730209
Diagonal 29822869.135286

Cube

Length = n
Surface area 2668210570381254
Volume 9.3778498503838E+21
Space diagonal 36525406.023625

Equilateral Triangle

Length = n
Perimeter 63263859
Area 1.9256151138303E+14
Altitude 18262703.011812

Triangular Pyramid

Length = n
Surface area 1.9256151138303E+14
Volume 1.1051902036926E+21
Height 9940956.3784288