21085087 (number)

21085087 is an odd 8-digits prime number following 21085086 and preceding 21085088. In scientific notation, it is written as 2.1085087 × 10^7. The sum of its digits is 31. It has a total of 1 prime factors and 2 positive divisors. There are 21085086 positive integers (up to 21085087) that are relatively prime to 21085087.

Interesting facts

Basic properties

Name

Name twenty-one million eighty-five thousand eighty-seven

Notation

Scientific notation 2.1085087 × 10^7
Engineering notation 2.1085087 × 10^6

Prime Factorization of 21085087

Prime Factorization 21085087

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21085087
Product of the distinct prime numbers

The prime factorization of 21085087 is 21085087. Since it has a total of 1 prime factors.

Most popular turbo-numbers

7, 8, 49, 19, 135, 15, 6225, 6735, 44095, 69394, 166055, 711771, 759010, 5313171, 30686606, 23526929, 503910187, 625413333, 8138175274, 6164018287

Basic calculations (n = 21085087)

Multiplication

n×y
n×2 42170174
n×3 63255261
n×4 84340348
n×5 105425435

Division

n÷y
n÷2 10542543.5
n÷3 7028362.3333333
n÷3 5271271.75
n÷5 4217017.4

Exponentiation

ny
n2 444580893797569
n3 9.3740268242595E+21
n4 1.9765217112985E+29
n5 4.1675132240117E+36

Nth Root

y√n
2√n 4591.8500628832
3√n 276.26453231222
4√n 67.763191061838
5√n 29.160507596084

Divisors of 21085087

1, 21085087

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21085088
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10542544
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4591.8501717717
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999051462
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21085087 can be divided by 2 positive divisors. The sum of these divisors (counting 21085087) is 21085088, the average is 10542544.

Base conversion 21085087

Base System Value
2 Binary 1010000011011101110011111
3 Ternary 1110200020022011
4 Quaternary 1100123232133
5 Quinary 20344210322
6 Senary 2031532051
8 Octal 120335637
10 Decimal 21085087
12 Duodecimal 708a027
16 Hexadecimal 141bb9f
20 Vigesimal 6bfce7
36 Base36 cjxcv

Cryptographic Hash Functions

md5 dd77294c0056b217561251647d3cf775
sha1 602ae6372b9278105ccdd83e94de9b521fbfa830
sha256 6502f5b9bd8368ed9a827eb69f0dfa44707602b0e983e51aba98f30600c43974
sha512 720c8e3a4bbb04204d122acd21f15d2c75d44a1de5a4b2df9fb5aaff94d33a4b573bc9328bf51b15a3148efb8ac09f13f5ddea6c903694615d081c3fbba1c7b0
ripemd-160 7085626b1c355898075c4e0eed1022d640ca34e6

21085087 as geometric shapes

Circle

Radius = n
Diameter 42170174
Circumference 132481508.839
Area 1.3966920698808E+15

Sphere

Radius = n
Volume 3.9265831740863E+22
Surface area 5.5867682795233E+15
Circumference 132481508.839

Square

Length = n
Perimeter 84340348
Area 444580893797569
Diagonal 29818815.999217

Cube

Length = n
Surface area 2667485362785414
Volume 9.3740268242595E+21
Space diagonal 36520441.96601

Equilateral Triangle

Length = n
Perimeter 63255261
Area 1.9250917403294E+14
Altitude 18260220.983005

Triangular Pyramid

Length = n
Surface area 1.9250917403294E+14
Volume 1.1047396557431E+21
Height 9939605.3330722