21032881 (number)

21032881 is an odd 8-digits composite number following 21032880 and preceding 21032882. In scientific notation, it is written as 2.1032881 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 20766564 positive integers (up to 21032881) that are relatively prime to 21032881.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-two thousand eight hundred eighty-one

Notation

Scientific notation 2.1032881 × 10^7
Engineering notation 2.1032881 × 10^6

Prime Factorization of 21032881

Prime Factorization 79 × 266239

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21032881
Product of the distinct prime numbers

The prime factorization of 21032881 is 79 × 266239. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21032881)

Multiplication

n×y
n×2 42065762
n×3 63098643
n×4 84131524
n×5 105164405

Division

n÷y
n÷2 10516440.5
n÷3 7010960.3333333
n÷3 5258220.25
n÷5 4206576.2

Exponentiation

ny
n2 442382083160161
n3 9.3045697116398E+21
n4 1.9570190750112E+29
n5 4.1161749319441E+36

Nth Root

y√n
2√n 4586.1619029424
3√n 276.03633649579
4√n 67.721207187574
5√n 29.146053176971

Divisors of 21032881

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 -21032880
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 21032881 can be divided by 4 positive divisors. The sum of these divisors (counting 21032881) is 1, the average is 0.25.

Base conversion 21032881

Base System Value
2 Binary 1010000001110111110110001
3 Ternary 1110120120200121
4 Quaternary 1100032332301
5 Quinary 20341023011
6 Senary 2030450241
8 Octal 120167661
10 Decimal 21032881
12 Duodecimal 7063981
16 Hexadecimal 140efb1
20 Vigesimal 6b9241
36 Base36 cit2p

Cryptographic Hash Functions

md5 43ad2d440f4a12a55a22756e112db8d1
sha1 8a231bf61812d932ea64045acd90e12936678a57
sha256 5d6f4e79aec25203addd7cd5c3a5687c170afe99566bd709ee2c885f6d03901c
sha512 4004d89e04bbf2f0dcc81c1db5da9605b638cbd588e90d876ebda3edf6d22bee467612f083a856c2084b03393ff8e7ebce985910f348b6d46db9b9f5b5ee1ad8
ripemd-160 aba48ef6db6a498e80d38d4415dd3d2cdd20d92b

21032881 as geometric shapes

Circle

Radius = n
Diameter 42065762
Circumference 132153488.86686
Area 1.3897843025357E+15

Sphere

Radius = n
Volume 3.8974890467869E+22
Surface area 5.5591372101428E+15
Circumference 132153488.86686

Square

Length = n
Perimeter 84131524
Area 442382083160161
Diagonal 29744985.565979

Cube

Length = n
Surface area 2654292498960966
Volume 9.3045697116398E+21
Space diagonal 36430018.52155

Equilateral Triangle

Length = n
Perimeter 63098643
Area 1.9155706109789E+14
Altitude 18215009.260775

Triangular Pyramid

Length = n
Surface area 1.9155706109789E+14
Volume 1.0965540565206E+21
Height 9914995.1886598