21061388 (number)

21061388 is an even 8-digits composite number following 21061387 and preceding 21061389. In scientific notation, it is written as 2.1061388 × 10^7. The sum of its digits is 29. It has a total of 3 prime factors and 6 positive divisors. There are 10530692 positive integers (up to 21061388) that are relatively prime to 21061388.

Interesting facts

Basic properties

Name

Name twenty-one million sixty-one thousand three hundred eighty-eight

Notation

Scientific notation 2.1061388 × 10^7
Engineering notation 2.1061388 × 10^6

Prime Factorization of 21061388

Prime Factorization 2 × 2 × 5265347

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 10530694
Product of the distinct prime numbers

The prime factorization of 21061388 is 2 × 2 × 5265347. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21061388)

Multiplication

n×y
n×2 42122776
n×3 63184164
n×4 84245552
n×5 105306940

Division

n÷y
n÷2 10530694
n÷3 7020462.6666667
n÷3 5265347
n÷5 4212277.6

Exponentiation

ny
n2 443582064486544
n3 9.3424539699921E+21
n4 1.9676504793414E+29
n5 4.1441450193796E+36

Nth Root

y√n
2√n 4589.2687870727
3√n 276.16098918348
4√n 67.744142086772
5√n 29.153949541302

Divisors of 21061388

6 divisors

τ Total Divisors 6
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21061387
Sum of the proper positive divisors of n
A Arithmetic Mean 0.16666666666667
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 6
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21061388 can be divided by 6 positive divisors. The sum of these divisors (counting 21061388) is 1, the average is 0.16666666666667.

Base conversion 21061388

Base System Value
2 Binary 1010000010101111100001100
3 Ternary 1110122000210102
4 Quaternary 1100111330030
5 Quinary 20342431023
6 Senary 2031230232
8 Octal 120257414
10 Decimal 21061388
12 Duodecimal 7078378
16 Hexadecimal 1415f0c
20 Vigesimal 6bcd98
36 Base36 cjf2k

Cryptographic Hash Functions

md5 2ba539502beb6e38f6e6804b597c794b
sha1 75b02ebfd40825cce2518cf3d2b7a131cd12b0c7
sha256 c62c8b4aa6213660cf7b27fa3557af0a260b714b4f72ee50fa0f534c87e2e34a
sha512 6b5d5d3342996eed86148a52c9e89e4cfc1542f9293de61ff4ab74c038ad0098fc3e531913cf030fc5238650feda6cdcb12fea75ac1934afe387bd6f188d9c18
ripemd-160 4859eca3f2caa97e48d78fad1f411fe7ead14f50

21061388 as geometric shapes

Circle

Radius = n
Diameter 42122776
Circumference 132332603.63041
Area 1.3935541550551E+15

Sphere

Radius = n
Volume 3.9133579678171E+22
Surface area 5.5742166202205E+15
Circumference 132332603.63041

Square

Length = n
Perimeter 84245552
Area 443582064486544
Diagonal 29785300.552002

Cube

Length = n
Surface area 2661492386919264
Volume 9.3424539699921E+21
Space diagonal 36479394.093921

Equilateral Triangle

Length = n
Perimeter 63184164
Area 1.9207666825425E+14
Altitude 18239697.046961

Triangular Pyramid

Length = n
Surface area 1.9207666825425E+14
Volume 1.1010187591841E+21
Height 9928433.517334