Max	9223372036854775807
25835	Positive integer
0b10001100	Binary number
01771452	Octal number
0x129abf	Hex number
5.012 * 10^7	Scientific notation
2^4 * 5	Factorized form
*	Random number

21138087 (number)

21138087 is an odd 8-digits composite number following 21138086 and preceding 21138088. In scientific notation, it is written as 2.1138087 × 10^7. The sum of its digits is 30. It has a total of 2 prime factors and 4 positive divisors. There are 14092056 positive integers (up to 21138087) that are relatively prime to 21138087.

Interesting facts

21138087 has 4 divisors, whose sum is 28184120
The reverse of 21138087 is 78083112
Previous prime number is 3

Basic properties

Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3

Name

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

Notation

Scientific notation	2.1138087 × 10^7
Engineering notation	2.1138087 × 10^6

Prime Factorization of 21138087

Prime Factorization 3 × 7046029

Composite number

ω	Distinct Factors	2	Total number of distinct prime factors
Ω	Total Factors	2	Total number of prime factors
rad	Radical	21138087	Product of the distinct prime numbers

The prime factorization of 21138087 is 3 × 7046029. Since it has a total of 2 prime factors.

Most popular turbo-numbers

9, 5, 64, 94, 969, 355, 2875, 9566, 36966, 46339, 156654, 221220, 5166380, 5498216, 34166505, 73787712, 664589083, 859455140, 4309779143, 3002060583

Basic calculations (n = 21138087)

Multiplication

n×y

n×2	42276174
n×3	63414261
n×4	84552348
n×5	105690435

Division

n÷y

n÷2	10569043.5
n÷3	7046029
n÷3	5284521.75
n÷5	4227617.4

Exponentiation

n^y

n²	446818722019569
n³	9.4448930192785E+21
n⁴	1.996469703472E+29
n⁵	4.2201550284856E+36

Nth Root

^y√n

²√n	4597.6175352023
³√n	276.49581377249
⁴√n	67.805733792964
⁵√n	29.175152594345

Divisors of 21138087

1, 3, 7046029, 21138087

4 divisors

τ	Total Divisors	4	Total number of the positive divisors of n
σ	Sum of Divisors	1	Sum of all the positive divisors of n
s	Aliquot Sum	-21138086	Sum of the proper positive divisors of n
A	Arithmetic Mean	0.25	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	4	Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21138087 can be divided by 4 positive divisors. The sum of these divisors (counting 21138087) is 1, the average is 0.25.

Base conversion 21138087

Base	System	Value
2	Binary	1010000101000101010100111
3	Ternary	1110202221000010
4	Quaternary	1100220222213
5	Quinary	20402404322
6	Senary	2033021303
8	Octal	120505247
10	Decimal	21138087
12	Duodecimal	70b4833
16	Hexadecimal	1428aa7
20	Vigesimal	6c2547
36	Base36	cl293

Cryptographic Hash Functions

md5	f5282cd906d1eb32a52db920ba3c1db8
sha1	ed951f3ea4a9679a476842f46553c90a55eaa3e9
sha256	89479486eb6046dd7d905a350e5d55e2946256f6241f6d8f7aa8c69f8ccfe665
sha512	aad23cbd7bd0b52a8dea3205e178125927182e432dc28257a2c4c89d2833f5d58868663bb7af2bfa3b871805551520954e29717ae7f38f4dcb0cec3290742bf6
ripemd-160	3e3065856fc694bae00950c89fe6e56a9d4d84be

21138087 as geometric shapes

Circle

Radius = n

Diameter	42276174
Circumference	132814517.66028
Area	1.4037224145831E+15

Sphere

Radius = n

Volume	3.9562675364409E+22
Surface area	5.6148896583322E+15
Circumference	132814517.66028

Square

Length = n

Perimeter	84552348
Area	446818722019569
Diagonal	29893769.318022

Cube

Length = n

Surface area	2680912332117414
Volume	9.4448930192785E+21
Space diagonal	36612240.658811

Equilateral Triangle

Length = n

Perimeter	63414261
Area	1.9347818207772E+14
Altitude	18306120.329406

Triangular Pyramid

Length = n

Surface area	1.9347818207772E+14
Volume	1.1130913169189E+21
Height	9964589.7726741