21102645 (number)

21102645 is an odd 8-digits composite number following 21102644 and preceding 21102646. In scientific notation, it is written as 2.1102645 × 10^7. The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors. There are 11069760 positive integers (up to 21102645) that are relatively prime to 21102645.

Interesting facts

Basic properties

Name

Name twenty-one million one hundred two thousand six hundred forty-five

Notation

Scientific notation 2.1102645 × 10^7
Engineering notation 2.1102645 × 10^6

Prime Factorization of 21102645

Prime Factorization 3 × 5 × 61 × 23063

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21102645
Product of the distinct prime numbers

The prime factorization of 21102645 is 3 × 5 × 61 × 23063. Since it has a total of 4 prime factors.

Most popular turbo-numbers

10, 5, 50, 35, 436, 393, 918, 7366, 12138, 23176, 446182, 148816, 700298, 1575100, 63939486, 99975297, 573575162, 695987115, 3084388178, 6243853387

Basic calculations (n = 21102645)

Multiplication

n×y
n×2 42205290
n×3 63307935
n×4 84410580
n×5 105513225

Division

n÷y
n÷2 10551322.5
n÷3 7034215
n÷3 5275661.25
n÷5 4220529

Exponentiation

ny
n2 445321625996025
n3 9.3974641842169E+21
n4 1.9831135057974E+29
n5 4.1848940307549E+36

Nth Root

y√n
2√n 4593.7615305978
3√n 276.34119481887
4√n 67.777293621078
5√n 29.165362494109

Divisors of 21102645

1, 3, 5, 15, 61, 183, 305, 915, 23063, 69189, 115315, 345945, 1406843, 4220529, 7034215, 21102645

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 -21102644
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 21102645 can be divided by 16 positive divisors. The sum of these divisors (counting 21102645) is 1, the average is 0.0625.

Base conversion 21102645

Base System Value
2 Binary 1010000100000000000110101
3 Ternary 1110201010101110
4 Quaternary 1100200000311
5 Quinary 20400241040
6 Senary 2032145233
8 Octal 120400065
10 Decimal 21102645
12 Duodecimal 7098219
16 Hexadecimal 1420035
20 Vigesimal 6bhgc5
36 Base36 ckawl

Cryptographic Hash Functions

md5 7afc9f010bb54512c07a9d95303119c4
sha1 766c493557c34071a74be9b883b3d7884c2f2aaf
sha256 be0714c66d09a2addc978ea4babc9dff1f18ccc07a7ed1c7770a399f7570e4d8
sha512 c1e2f07bb1607bb37b7d61104eea0016fe5c9b20561adc2c0a6bab76c9a04c7dc5979975c5b53d19e0eb02ae232b5af89391e18f3e610a00b830e7cd4a705196
ripemd-160 508906bd260dd62a8835336b024fdf276b54b14d

21102645 as geometric shapes

Circle

Radius = n
Diameter 42205290
Circumference 132591829.00663
Area 1.3990191487138E+15

Sphere

Radius = n
Volume 3.9364005924679E+22
Surface area 5.5960765948551E+15
Circumference 132591829.00663

Square

Length = n
Perimeter 84410580
Area 445321625996025
Diagonal 29843646.760945

Cube

Length = n
Surface area 2671929755976150
Volume 9.3974641842169E+21
Space diagonal 36550853.314089

Equilateral Triangle

Length = n
Perimeter 63307935
Area 1.9282992048358E+14
Altitude 18275426.657045

Triangular Pyramid

Length = n
Surface area 1.9282992048358E+14
Volume 1.1075017751029E+21
Height 9947882.2536483