21581036 (number)

21581036 is an even 8-digits composite number following 21581035 and preceding 21581037. In scientific notation, it is written as 2.1581036 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 10222560 positive integers (up to 21581036) that are relatively prime to 21581036.

Interesting facts

Basic properties

Name

Name twenty-one million five hundred eighty-one thousand thirty-six

Notation

Scientific notation 2.1581036 × 10^7
Engineering notation 2.1581036 × 10^6

Prime Factorization of 21581036

Prime Factorization 2 × 2 × 19 × 283961

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10790518
Product of the distinct prime numbers

The prime factorization of 21581036 is 2 × 2 × 19 × 283961. Since it has a total of 4 prime factors.

Most popular turbo-numbers

6, 10, 89, 10, 169, 68, 2266, 6776, 29622, 42881, 546644, 453149, 5450826, 3954014, 2746017, 34615902, 571698228, 202096990, 769736949, 5803553638

Basic calculations (n = 21581036)

Multiplication

n×y
n×2 43162072
n×3 64743108
n×4 86324144
n×5 107905180

Division

n÷y
n÷2 10790518
n÷3 7193678.6666667
n÷3 5395259
n÷5 4316207.2

Exponentiation

ny
n2 465741114833296
n3 1.0051175765897E+22
n4 2.1691478604616E+29
n5 4.6812458065945E+36

Nth Root

y√n
2√n 4645.5393658864
3√n 278.41380329126
4√n 68.158193681218
5√n 29.296413571009

Divisors of 21581036

1, 2, 4, 19, 38, 76, 283961, 567922, 1135844, 5395259, 10790518, 21581036

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 -21581035
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 21581036 can be divided by 12 positive divisors. The sum of these divisors (counting 21581036) is 1, the average is 0.083333333333333.

Base conversion 21581036

Base System Value
2 Binary 1010010010100110011101100
3 Ternary 1111121102121122
4 Quaternary 1102110303230
5 Quinary 21011043121
6 Senary 2050320112
8 Octal 122246354
10 Decimal 21581036
12 Duodecimal 7289038
16 Hexadecimal 1494cec
20 Vigesimal 6ehcbg
36 Base36 cuk18

Cryptographic Hash Functions

md5 32649ac3eac450d6a1373bc374a525e8
sha1 e4a07f402bef94b68a69494b8912e5bb655db97f
sha256 c3660d801b11f7a4d354163af151e5e15e38b816e5302b074c903b81d1ffec80
sha512 adc5537b9c5a683f09caa4b5675174afd9ddb142191f3a519e9300138e5491dfb183c57f088a608280a4319d954b1424ea439a24af7e2783a7cc651252909875
ripemd-160 7538cab04d001c1f25c8c00301cbc7dcb2a5a1d3

21581036 as geometric shapes

Circle

Radius = n
Diameter 43162072
Circumference 135597648.30891
Area 1.463168864835E+15

Sphere

Radius = n
Volume 4.2102266594778E+22
Surface area 5.85267545934E+15
Circumference 135597648.30891

Square

Length = n
Perimeter 86324144
Area 465741114833296
Diagonal 30520193.801262

Cube

Length = n
Surface area 2794446688999776
Volume 1.0051175765897E+22
Space diagonal 37379450.831973

Equilateral Triangle

Length = n
Perimeter 64743108
Area 2.0167181851626E+14
Altitude 18689725.415987

Triangular Pyramid

Length = n
Surface area 2.0167181851626E+14
Volume 1.1845424238273E+21
Height 10173397.933754