21031946 (number)

21031946 is an even 8-digits composite number following 21031945 and preceding 21031947. In scientific notation, it is written as 2.1031946 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors. There are 9377280 positive integers (up to 21031946) that are relatively prime to 21031946.

Interesting facts

Basic properties

Name

Name twenty-one million thirty-one thousand nine hundred forty-six

Notation

Scientific notation 2.1031946 × 10^7
Engineering notation 2.1031946 × 10^6

Prime Factorization of 21031946

Prime Factorization 2 × 793 × 89 × 149

Composite number
ω Distinct Factors 4
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 21031946
Product of the distinct prime numbers

The prime factorization of 21031946 is 2 × 793 × 89 × 149. Since it has a total of 4 prime factors.

Most popular turbo-numbers

4, 3, 73, 66, 262, 925, 8024, 9567, 73741, 85871, 353328, 234720, 9935815, 6468201, 27854585, 19951289, 363407471, 699551817, 3866466870, 9922035505

Basic calculations (n = 21031946)

Multiplication

n×y
n×2 42063892
n×3 63095838
n×4 84127784
n×5 105159730

Division

n÷y
n÷2 10515973
n÷3 7010648.6666667
n÷3 5257986.5
n÷5 4206389.2

Exponentiation

ny
n2 442342752546916
n3 9.3033288850581E+21
n4 1.9566711073078E+29
n5 4.1152601068658E+36

Nth Root

y√n
2√n 4586.0599647192
3√n 276.0322461099
4√n 67.720454551924
5√n 29.14579403944

Divisors of 21031946

1, 2, 89, 149, 178, 298, 793, 1586, 13261, 26522, 70577, 118157, 141154, 236314, 10515973, 21031946

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 -21031945
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 21031946 can be divided by 16 positive divisors. The sum of these divisors (counting 21031946) is 1, the average is 0.0625.

Base conversion 21031946

Base System Value
2 Binary 1010000001110110000001010
3 Ternary 1110120112101222
4 Quaternary 1100032300022
5 Quinary 20341010241
6 Senary 2030442042
8 Octal 120166012
10 Decimal 21031946
12 Duodecimal 7063322
16 Hexadecimal 140ec0a
20 Vigesimal 6b8jh6
36 Base36 ciscq

Cryptographic Hash Functions

md5 0a31aa05b3bb9044827f08478b607c7f
sha1 90b371a1205d3ed6039e6522003836522d71e3ec
sha256 cb76aadc491f84f4532d1f29b55d560ef9c1f15c15cab467e3d3f8c0ffef2ea5
sha512 27f29781ee88a47390e9dd1f5bf9a1fca8acbf512fa1ca414ba407066bdf2d251851307bce33a855d62425429c5cd64aac76cd1916e7c4bad71b9dcc6d376059
ripemd-160 cb9d89576a2f220a3108501e27888895e5b80a85

21031946 as geometric shapes

Circle

Radius = n
Diameter 42063892
Circumference 132147614.08859
Area 1.3896607417701E+15

Sphere

Radius = n
Volume 3.8969692905638E+22
Surface area 5.5586429670803E+15
Circumference 132147614.08859

Square

Length = n
Perimeter 84127784
Area 442342752546916
Diagonal 29743663.276299

Cube

Length = n
Surface area 2654056515281496
Volume 9.3033288850581E+21
Space diagonal 36428399.054045

Equilateral Triangle

Length = n
Perimeter 63095838
Area 1.9154003044278E+14
Altitude 18214199.527023

Triangular Pyramid

Length = n
Surface area 1.9154003044278E+14
Volume 1.0964078237055E+21
Height 9914554.4254329