21072587 (number)

21072587 is an odd 8-digits composite number following 21072586 and preceding 21072588. In scientific notation, it is written as 2.1072587 × 10^7. The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors. There are 20775720 positive integers (up to 21072587) that are relatively prime to 21072587.

Interesting facts

Basic properties

Name

Name twenty-one million seventy-two thousand five hundred eighty-seven

Notation

Scientific notation 2.1072587 × 10^7
Engineering notation 2.1072587 × 10^6

Prime Factorization of 21072587

Prime Factorization 71 × 296797

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21072587
Product of the distinct prime numbers

The prime factorization of 21072587 is 71 × 296797. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21072587)

Multiplication

n×y
n×2 42145174
n×3 63217761
n×4 84290348
n×5 105362935

Division

n÷y
n÷2 10536293.5
n÷3 7024195.6666667
n÷3 5268146.75
n÷5 4214517.4

Exponentiation

ny
n2 444053922872569
n3 9.3573649224235E+21
n4 1.9718388641852E+29
n5 4.1551746015523E+36

Nth Root

y√n
2√n 4590.4887539346
3√n 276.20992832768
4√n 67.753145712466
5√n 29.157049295791

Divisors of 21072587

4 divisors

τ Total Divisors 4
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21072586
Sum of the proper positive divisors of n
A Arithmetic Mean 0.25
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 4
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21072587 can be divided by 4 positive divisors. The sum of these divisors (counting 21072587) is 1, the average is 0.25.

Base conversion 21072587

Base System Value
2 Binary 1010000011000101011001011
3 Ternary 1110122121011012
4 Quaternary 1100120223023
5 Quinary 20343310322
6 Senary 2031354135
8 Octal 120305313
10 Decimal 21072587
12 Duodecimal 708294b
16 Hexadecimal 1418acb
20 Vigesimal 6be197
36 Base36 cjnpn

Cryptographic Hash Functions

md5 74616877547ca219dd61fa0d6e7427dd
sha1 b0e4afc1b838bf357538dd6aef7c8f50bc79c6ab
sha256 cae85f50921aa7c954168f0de4230992fd2bb5238bf6b8c35797ba07ae0ecfe6
sha512 c1f2552d8313a7b896b40566975b41f0561fef0c49722a0a190d8c08862efcd7fbd2b1d97da6d48a29cebd899080e838172555bb3fde464135106dbd71344931
ripemd-160 10a08a5e37ff8befe7ec3041022fb8a77eba869a

21072587 as geometric shapes

Circle

Radius = n
Diameter 42145174
Circumference 132402969.02266
Area 1.3950365418942E+15

Sphere

Radius = n
Volume 3.9196038529659E+22
Surface area 5.5801461675768E+15
Circumference 132402969.02266

Square

Length = n
Perimeter 84290348
Area 444053922872569
Diagonal 29801138.329687

Cube

Length = n
Surface area 2664323537235414
Volume 9.3573649224235E+21
Space diagonal 36498791.330915

Equilateral Triangle

Length = n
Perimeter 63217761
Area 1.9228098892889E+14
Altitude 18249395.665458

Triangular Pyramid

Length = n
Surface area 1.9228098892889E+14
Volume 1.1027760317805E+21
Height 9933712.7765623