21031872 (number)

21031872 is an even 8-digits composite number following 21031871 and preceding 21031873. In scientific notation, it is written as 2.1031872 × 10^7. The sum of its digits is 24. It has a total of 8 prime factors and 28 positive divisors. There are 7010560 positive integers (up to 21031872) that are relatively prime to 21031872.

Interesting facts

Basic properties

Name

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

Notation

Scientific notation 2.1031872 × 10^7
Engineering notation 2.1031872 × 10^6

Prime Factorization of 21031872

Prime Factorization 2 × 2 × 2 × 2 × 2 × 2 × 3 × 109541

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 8
Total number of prime factors
rad Radical 657246
Product of the distinct prime numbers

The prime factorization of 21031872 is 2 × 2 × 2 × 2 × 2 × 2 × 3 × 109541. Since it has a total of 8 prime factors.

Most popular turbo-numbers

2, 4, 21, 71, 597, 516, 3418, 4544, 18619, 8836, 809592, 490835, 1599460, 8422003, 99028013, 96296774, 94700275, 778012625, 2937321531, 2920039415

Basic calculations (n = 21031872)

Multiplication

n×y
n×2 42063744
n×3 63095616
n×4 84127488
n×5 105159360

Division

n÷y
n÷2 10515936
n÷3 7010624
n÷3 5257968
n÷5 4206374.4

Exponentiation

ny
n2 442339639824384
n3 9.3032306853125E+21
n4 1.9566435695997E+29
n5 4.1151877105443E+36

Nth Root

y√n
2√n 4586.0518967844
3√n 276.03192237364
4√n 67.720394983966
5√n 29.145773529765

Divisors of 21031872

1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 192, 109541, 219082, 328623, 438164, 657246, 876328, 1314492, 1752656, 2628984, 3505312, 5257968, 7010624, 10515936, 21031872

28 divisors

τ Total Divisors 28
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -21031871
Sum of the proper positive divisors of n
A Arithmetic Mean 0.035714285714286
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 28
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 21031872 can be divided by 28 positive divisors. The sum of these divisors (counting 21031872) is 1, the average is 0.035714285714286.

Base conversion 21031872

Base System Value
2 Binary 1010000001110101111000000
3 Ternary 1110120112022020
4 Quaternary 1100032233000
5 Quinary 20341004442
6 Senary 2030441440
8 Octal 120165700
10 Decimal 21031872
12 Duodecimal 7063280
16 Hexadecimal 140ebc0
20 Vigesimal 6b8jdc
36 Base36 cisao

Cryptographic Hash Functions

md5 8cc93e81d7369510b380057baf5f65ea
sha1 84d5f288d6338d4c8ff5e09d04a39d1bc7c8b21b
sha256 d0ad2c60b3c4a478f713c185f93aa32897fc03a6c3627248033909e0d912a1e3
sha512 6a5e492fe28a1d9c4cb9c3a4116f83563499f57c4a031c112a747f499936d22a602e0ab80cd94aa20aa83fa647383596db98cb397dbd01999118be84d379192b
ripemd-160 e9aa176859efe1d5832cfc1e0bdfdd94154162ed

21031872 as geometric shapes

Circle

Radius = n
Diameter 42063744
Circumference 132147149.13288
Area 1.3896509628638E+15

Sphere

Radius = n
Volume 3.8969281567505E+22
Surface area 5.5586038514554E+15
Circumference 132147149.13288

Square

Length = n
Perimeter 84127488
Area 442339639824384
Diagonal 29743558.624495

Cube

Length = n
Surface area 2654037838946304
Volume 9.3032306853125E+21
Space diagonal 36428270.882285

Equilateral Triangle

Length = n
Perimeter 63095616
Area 1.9153868259439E+14
Altitude 18214135.441143

Triangular Pyramid

Length = n
Surface area 1.9153868259439E+14
Volume 1.0963962507545E+21
Height 9914519.5414983