21131087 (number)

21131087 is an odd 8-digits prime number following 21131086 and preceding 21131088. In scientific notation, it is written as 2.1131087 × 10^7. The sum of its digits is 23. It has a total of 1 prime factors and 2 positive divisors. There are 21131086 positive integers (up to 21131087) that are relatively prime to 21131087.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-one thousand eighty-seven

Notation

Scientific notation 2.1131087 × 10^7
Engineering notation 2.1131087 × 10^6

Prime Factorization of 21131087

Prime Factorization 21131087

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21131087
Product of the distinct prime numbers

The prime factorization of 21131087 is 21131087. Since it has a total of 1 prime factors.

Most popular turbo-numbers

9, 10, 69, 20, 140, 205, 4270, 5355, 41181, 57427, 385472, 242368, 2721914, 1288764, 12570033, 54215758, 591574368, 821613091, 1057069886, 1917892093

Basic calculations (n = 21131087)

Multiplication

n×y
n×2 42262174
n×3 63393261
n×4 84524348
n×5 105655435

Division

n÷y
n÷2 10565543.5
n÷3 7043695.6666667
n÷3 5282771.75
n÷5 4226217.4

Exponentiation

ny
n2 446522837801569
n3 9.4355129330718E+21
n4 1.9938264467837E+29
n5 4.2131720109886E+36

Nth Root

y√n
2√n 4596.8562083232
3√n 276.46528933914
4√n 67.800119530302
5√n 29.173220034167

Divisors of 21131087

1, 21131087

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21131088
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10565544
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4596.8563170932
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999053527
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21131087 can be divided by 2 positive divisors. The sum of these divisors (counting 21131087) is 21131088, the average is 10565544.

Base conversion 21131087

Base System Value
2 Binary 1010000100110111101001111
3 Ternary 1110202120101212
4 Quaternary 1100212331033
5 Quinary 20402143322
6 Senary 2032525035
8 Octal 120467517
10 Decimal 21131087
12 Duodecimal 70b077b
16 Hexadecimal 1426f4f
20 Vigesimal 6c17e7
36 Base36 ckwun

Cryptographic Hash Functions

md5 10b373717076f475617d79fabfba05c7
sha1 df52d72ba0f3acfc77c822604e171f011c1d2756
sha256 cacfea38ba8a57191762947883b2c064e9eac4114f03c30870fd492c5240f296
sha512 0e72ac9d2db5a49b875f2955dd969109504f0ef22dcd7601aa2d1fd1b7296ddb2c3af7a2837ca1ac29ba4c8d0858fce4d261c48a1afbdf8ad2940db6f1d2ce4a
ripemd-160 ffc46def3e28af2accf52536599f6781330f23f5

21131087 as geometric shapes

Circle

Radius = n
Diameter 42262174
Circumference 132770535.36313
Area 1.4027928668975E+15

Sphere

Radius = n
Volume 3.9523384151187E+22
Surface area 5.6111714675899E+15
Circumference 132770535.36313

Square

Length = n
Perimeter 84524348
Area 446522837801569
Diagonal 29883869.823086

Cube

Length = n
Surface area 2679137026809414
Volume 9.4355129330718E+21
Space diagonal 36600116.303158

Equilateral Triangle

Length = n
Perimeter 63393261
Area 1.9335006045304E+14
Altitude 18300058.151579

Triangular Pyramid

Length = n
Surface area 1.9335006045304E+14
Volume 1.1119858631581E+21
Height 9961289.9410286