21072581 (number)

21072581 is an odd 8-digits prime number following 21072580 and preceding 21072582. In scientific notation, it is written as 2.1072581 × 10^7. The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors. There are 21072580 positive integers (up to 21072581) that are relatively prime to 21072581.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1072581 × 10^7
Engineering notation 2.1072581 × 10^6

Prime Factorization of 21072581

Prime Factorization 21072581

Composite number
ω Distinct Factors 1
Total number of distinct prime factors
Ω Total Factors 1
Total number of prime factors
rad Radical 21072581
Product of the distinct prime numbers

The prime factorization of 21072581 is 21072581. Since it has a total of 1 prime factors.

Most popular turbo-numbers

10, 8, 35, 87, 881, 775, 223, 1444, 83110, 64178, 988545, 102878, 3730063, 6931259, 74915518, 92803106, 959922863, 993217141, 6004614350, 2385523347

Basic calculations (n = 21072581)

Multiplication

n×y
n×2 42145162
n×3 63217743
n×4 84290324
n×5 105362905

Division

n÷y
n÷2 10536290.5
n÷3 7024193.6666667
n÷3 5268145.25
n÷5 4214516.2

Exponentiation

ny
n2 444053670001561
n3 9.3573569294552E+21
n4 1.9718366184186E+29
n5 4.1551686860391E+36

Nth Root

y√n
2√n 4590.4881004094
3√n 276.20990211259
4√n 67.753140889625
5√n 29.157047635413

Divisors of 21072581

1, 21072581

2 divisors

τ Total Divisors 2
Total number of the positive divisors of n
σ Sum of Divisors 21072582
Sum of all the positive divisors of n
s Aliquot Sum 1
Sum of the proper positive divisors of n
A Arithmetic Mean 10536291
Returns the sum of divisors (σ(n)) divided by the total number of divisors (τ(n))
G Geometric Mean 4590.4882093302
Returns the nth root of the product of n divisors
H Harmonic Mean 1.9999999050899
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21072581 can be divided by 2 positive divisors. The sum of these divisors (counting 21072581) is 21072582, the average is 10536291.

Base conversion 21072581

Base System Value
2 Binary 1010000011000101011000101
3 Ternary 1110122121010222
4 Quaternary 1100120223011
5 Quinary 20343310311
6 Senary 2031354125
8 Octal 120305305
10 Decimal 21072581
12 Duodecimal 7082945
16 Hexadecimal 1418ac5
20 Vigesimal 6be191
36 Base36 cjnph

Cryptographic Hash Functions

md5 3d2b96c4e4241ebd802f60eb60eae75c
sha1 0054da094294aa3963ff52710b96271080e019c2
sha256 872dd6b62aabfc528fdf47dbe0ba0f0110386e0bdf2ae1987467c7f54ba632d5
sha512 807b6fee4c2fdabe5adb51bbcebb13a72ed489db42a21f89b26db05e5ba9afe5b10169a4f54e47318259e54565ee9a417d0193766ae3ce99a5297d8fcf62f15d
ripemd-160 1d63a6671edb72ebbcee2f82f7601153263dc559

21072581 as geometric shapes

Circle

Radius = n
Diameter 42145162
Circumference 132402931.32355
Area 1.3950357474765E+15

Sphere

Radius = n
Volume 3.9196005048792E+22
Surface area 5.580142989906E+15
Circumference 132402931.32355

Square

Length = n
Perimeter 84290324
Area 444053670001561
Diagonal 29801129.844406

Cube

Length = n
Surface area 2664322020009366
Volume 9.3573569294552E+21
Space diagonal 36498780.938611

Equilateral Triangle

Length = n
Perimeter 63217743
Area 1.9228087943253E+14
Altitude 18249390.469305

Triangular Pyramid

Length = n
Surface area 1.9228087943253E+14
Volume 1.1027750898001E+21
Height 9933709.9481352