21568138 (number)

21568138 is an even 8-digits composite number following 21568137 and preceding 21568139. In scientific notation, it is written as 2.1568138 × 10^7. The sum of its digits is 34. It has a total of 4 prime factors and 16 positive divisors. There are 9957376 positive integers (up to 21568138) that are relatively prime to 21568138.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1568138 × 10^7
Engineering notation 2.1568138 × 10^6

Prime Factorization of 21568138

Prime Factorization 2 × 17 × 53 × 11969

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21568138
Product of the distinct prime numbers

The prime factorization of 21568138 is 2 × 17 × 53 × 11969. Since it has a total of 4 prime factors.

Most popular turbo-numbers

2, 2, 71, 7, 223, 760, 1008, 4966, 99531, 53501, 918857, 604973, 5475898, 523170, 18013803, 50579296, 478339217, 37087650, 2309105125, 3573254371

Basic calculations (n = 21568138)

Multiplication

n×y
n×2 43136276
n×3 64704414
n×4 86272552
n×5 107840690

Division

n÷y
n÷2 10784069
n÷3 7189379.3333333
n÷3 5392034.5
n÷5 4313627.6

Exponentiation

ny
n2 465184576787044
n3 1.0033165147615E+22
n4 2.1639669048054E+29
n5 4.6672736830276E+36

Nth Root

y√n
2√n 4644.150945006
3√n 278.35832716458
4√n 68.148007637832
5√n 29.292910907766

Divisors of 21568138

1, 2, 17, 34, 53, 106, 901, 1802, 11969, 23938, 203473, 406946, 634357, 1268714, 10784069, 21568138

16 divisors

τ Total Divisors 16
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21568137
Sum of the proper positive divisors of n
A Arithmetic Mean 0.0625
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 16
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21568138 can be divided by 16 positive divisors. The sum of these divisors (counting 21568138) is 1, the average is 0.0625.

Base conversion 21568138

Base System Value
2 Binary 1010010010001101010001010
3 Ternary 1111120202220221
4 Quaternary 1102101222022
5 Quinary 21010140023
6 Senary 2050140254
8 Octal 122215212
10 Decimal 21568138
12 Duodecimal 728168a
16 Hexadecimal 1491a8a
20 Vigesimal 6eg06i
36 Base36 cua2y

Cryptographic Hash Functions

md5 c228b0f4cbd48da719f754a88f5630ef
sha1 e80d815d9c40f8afb3d04cdfe56fdb104c0d3344
sha256 9ac02a620587bd001cd57577f93f643d70dd23185b0ab8ae0c1667f468fa8073
sha512 ee092378a195270e704cb47adaa55a1e13bc042596aa55f3cc10847114aa12dde1f60453777898193fd60e9f637d5bd6a3f9f1fc9c7daba5ce25fc82fd5e370a
ripemd-160 1d9a64ad302b612b71cffff939edcd7d4e992a9e

21568138 as geometric shapes

Circle

Radius = n
Diameter 43136276
Circumference 135516607.78482
Area 1.4614204489975E+15

Sphere

Radius = n
Volume 4.2026823893332E+22
Surface area 5.8456817959898E+15
Circumference 135516607.78482

Square

Length = n
Perimeter 86272552
Area 465184576787044
Diagonal 30501953.274735

Cube

Length = n
Surface area 2791107460722264
Volume 1.0033165147615E+22
Space diagonal 37357110.840657

Equilateral Triangle

Length = n
Perimeter 64704414
Area 2.0143083047315E+14
Altitude 18678555.420328

Triangular Pyramid

Length = n
Surface area 2.0143083047315E+14
Volume 1.1824198521071E+21
Height 10167317.758245