21002807 (number)

21002807 is an odd 8-digits composite number following 21002806 and preceding 21002808. In scientific notation, it is written as 2.1002807 × 10^7. The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors. There are 17969112 positive integers (up to 21002807) that are relatively prime to 21002807.

Interesting facts

Basic properties

Name

Name twenty-one million two thousand eight hundred seven

Notation

Scientific notation 2.1002807 × 10^7
Engineering notation 2.1002807 × 10^6

Prime Factorization of 21002807

Prime Factorization 7 × 607 × 4943

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 3
Total number of prime factors
rad Radical 21002807
Product of the distinct prime numbers

The prime factorization of 21002807 is 7 × 607 × 4943. Since it has a total of 3 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21002807)

Multiplication

n×y
n×2 42005614
n×3 63008421
n×4 84011228
n×5 105014035

Division

n÷y
n÷2 10501403.5
n÷3 7000935.6666667
n÷3 5250701.75
n÷5 4200561.4

Exponentiation

ny
n2 441117901879249
n3 9.2647141574148E+21
n4 1.9458500335835E+29
n5 4.0868312706298E+36

Nth Root

y√n
2√n 4582.881953531
3√n 275.90470963039
4√n 67.69698629578
5√n 29.137713471503

Divisors of 21002807

8 divisors

τ Total Divisors 8
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21002806
Sum of the proper positive divisors of n
A Arithmetic Mean 0.125
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 8
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21002807 can be divided by 8 positive divisors. The sum of these divisors (counting 21002807) is 1, the average is 0.125.

Base conversion 21002807

Base System Value
2 Binary 1010000000111101000110111
3 Ternary 1110112001102202
4 Quaternary 1100013220313
5 Quinary 20334042212
6 Senary 2030055115
8 Octal 120075067
10 Decimal 21002807
12 Duodecimal 704a49b
16 Hexadecimal 1407a37
20 Vigesimal 6b5707
36 Base36 ci5vb

Cryptographic Hash Functions

md5 e912a509d533501b7a84673408a18596
sha1 f29d77ab15c37551582258ef7c749f86c8ddadfd
sha256 b77708ddc5b7aa3a018b5fd7e6c34ab93795bfed23a5101e1a94b94047a6e714
sha512 c57f045facda02d1e11679a6d7e5403ec09d3b7ed7ceef0538b01a2d6a4218002a21a4b5eda2863d3f5236c0bffc3e8d952484195b98d91a24c02768ae6a2066
ripemd-160 ae764988501ee899dae8afbf92f156aee5c98955

21002807 as geometric shapes

Circle

Radius = n
Diameter 42005614
Circumference 131964528.35193
Area 1.3858127599108E+15

Sphere

Radius = n
Volume 3.8807943912725E+22
Surface area 5.5432510396432E+15
Circumference 131964528.35193

Square

Length = n
Perimeter 84011228
Area 441117901879249
Diagonal 29702454.507305

Cube

Length = n
Surface area 2646707411275494
Volume 9.2647141574148E+21
Space diagonal 36377928.825563

Equilateral Triangle

Length = n
Perimeter 63008421
Area 1.9100965454576E+14
Altitude 18188964.412782

Triangular Pyramid

Length = n
Surface area 1.9100965454576E+14
Volume 1.0918570344105E+21
Height 9900818.1691015