21138068 (number)

21138068 is an even 8-digits composite number following 21138067 and preceding 21138069. In scientific notation, it is written as 2.1138068 × 10^7. The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors. There are 9059160 positive integers (up to 21138068) that are relatively prime to 21138068.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred thirty-eight thousand sixty-eight

Notation

Scientific notation 2.1138068 × 10^7
Engineering notation 2.1138068 × 10^6

Prime Factorization of 21138068

Prime Factorization 2 × 2 × 7 × 754931

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10569034
Product of the distinct prime numbers

The prime factorization of 21138068 is 2 × 2 × 7 × 754931. Since it has a total of 4 prime factors.

Most popular turbo-numbers

5, 10, 78, 85, 44, 41, 108, 2051, 17072, 47273, 895386, 59749, 9052086, 32640, 86279500, 17540452, 77367144, 95387374, 9261787872, 6978089209

Basic calculations (n = 21138068)

Multiplication

n×y
n×2 42276136
n×3 63414204
n×4 84552272
n×5 105690340

Division

n÷y
n÷2 10569034
n÷3 7046022.6666667
n÷3 5284517
n÷5 4227613.6

Exponentiation

ny
n2 446817918772624
n3 9.4448675506342E+21
n4 1.996462525363E+29
n5 4.2201360620575E+36

Nth Root

y√n
2√n 4597.6154689143
3√n 276.49573092958
4√n 67.805718556139
5√n 29.175147349517

Divisors of 21138068

1, 2, 4, 7, 14, 28, 754931, 1509862, 3019724, 5284517, 10569034, 21138068

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21138067
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21138068 can be divided by 12 positive divisors. The sum of these divisors (counting 21138068) is 1, the average is 0.083333333333333.

Base conversion 21138068

Base System Value
2 Binary 1010000101000101010010100
3 Ternary 1110202220222102
4 Quaternary 1100220222110
5 Quinary 20402404233
6 Senary 2033021232
8 Octal 120505224
10 Decimal 21138068
12 Duodecimal 70b4818
16 Hexadecimal 1428a94
20 Vigesimal 6c2538
36 Base36 cl28k

Cryptographic Hash Functions

md5 a19579570fa1812ddf4d15171adf7dc9
sha1 d79885fc378f07478f9dc4e18610bc23caa19dd1
sha256 2c6be2a0d69f0ab4320042251057fec4e5286a25acce3481633fddd0da7d0d44
sha512 eaa67a63b75774e28a1e5bdd3fdedae9262be37f6ad6982dfd453f60896f7b51882700fb1bb402c0abcd08c648f9e334cefaccbad6ee258976703d3ff6092ea7
ripemd-160 3615846a138b8deb95facf43c353394d654bdc3a

21138068 as geometric shapes

Circle

Radius = n
Diameter 42276136
Circumference 132814398.27976
Area 1.4037198911084E+15

Sphere

Radius = n
Volume 3.9562568681601E+22
Surface area 5.6148795644334E+15
Circumference 132814398.27976

Square

Length = n
Perimeter 84552272
Area 446817918772624
Diagonal 29893742.447965

Cube

Length = n
Surface area 2680907512635744
Volume 9.4448675506342E+21
Space diagonal 36612207.749846

Equilateral Triangle

Length = n
Perimeter 63414204
Area 1.9347783426159E+14
Altitude 18306103.874923

Triangular Pyramid

Length = n
Surface area 1.9347783426159E+14
Volume 1.1130883154104E+21
Height 9964580.8159882