20921372 (number)

20921372 is an even 8-digits composite number following 20921371 and preceding 20921373. In scientific notation, it is written as 2.0921372 × 10^7. The sum of its digits is 26. It has a total of 4 prime factors and 12 positive divisors. There are 10424400 positive integers (up to 20921372) that are relatively prime to 20921372.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand three hundred seventy-two

Notation

Scientific notation 2.0921372 × 10^7
Engineering notation 2.0921372 × 10^6

Prime Factorization of 20921372

Prime Factorization 2 × 2 × 293 × 17851

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 10460686
Product of the distinct prime numbers

The prime factorization of 20921372 is 2 × 2 × 293 × 17851. Since it has a total of 4 prime factors.

Most popular turbo-numbers

8, 2, 55, 96, 312, 814, 2386, 8535, 96139, 76193, 32965, 332235, 1205670, 658743, 89984380, 48800133, 259736241, 775091310, 2036032457, 2268220898

Basic calculations (n = 20921372)

Multiplication

n×y
n×2 41842744
n×3 62764116
n×4 83685488
n×5 104606860

Division

n÷y
n÷2 10460686
n÷3 6973790.6666667
n÷3 5230343
n÷5 4184274.4

Exponentiation

ny
n2 437703806362384
n3 9.1573641587234E+21
n4 1.9158462210412E+29
n5 4.0082131485197E+36

Nth Root

y√n
2√n 4573.9886313807
3√n 275.5476557405
4√n 67.631269627153
5√n 29.115082987995

Divisors of 20921372

1, 2, 4, 293, 586, 1172, 17851, 35702, 71404, 5230343, 10460686, 20921372

12 divisors

τ Total Divisors 12
Total number of the positive divisors of n
σ Sum of Divisors 1
Sum of all the positive divisors of n
s Aliquot Sum -20921371
Sum of the proper positive divisors of n
A Arithmetic Mean 0.083333333333333
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 12
Returns the total number of divisors (τ(n)) divided by the sum of the reciprocal of each divisors

The number 20921372 can be divided by 12 positive divisors. The sum of these divisors (counting 20921372) is 1, the average is 0.083333333333333.

Base conversion 20921372

Base System Value
2 Binary 1001111110011110000011100
3 Ternary 1110100220201122
4 Quaternary 1033303300130
5 Quinary 20323440442
6 Senary 2024230112
8 Octal 117636034
10 Decimal 20921372
12 Duodecimal 700b338
16 Hexadecimal 13f3c1c
20 Vigesimal 6af38c
36 Base36 cgf18

Cryptographic Hash Functions

md5 e588c9840c4666980bed1cd66c448a49
sha1 211136b72e00d0320024046f3051544d4b0f4d29
sha256 0b465fb1915f824aa6e2dfa5451f546bd4d0892d78242463731482f2a5a12287
sha512 5febd6623ffa10667a3125bdc8888353e955f9c5f67331b09e5ecefd240141e6be8e0c70d1309948149167084e037c627aa9a33c3a9b9d74048079cac949be43
ripemd-160 dca57f1ed58ae58b0a378434c5e3c3a6d89c1c04

20921372 as geometric shapes

Circle

Radius = n
Diameter 41842744
Circumference 131452857.15644
Area 1.3750870625164E+15

Sphere

Radius = n
Volume 3.8358277289723E+22
Surface area 5.5003482500654E+15
Circumference 131452857.15644

Square

Length = n
Perimeter 83685488
Area 437703806362384
Diagonal 29587288.025853

Cube

Length = n
Surface area 2626222838174304
Volume 9.1573641587234E+21
Space diagonal 36236879.268049

Equilateral Triangle

Length = n
Perimeter 62764116
Area 1.8953130782148E+14
Altitude 18118439.634024

Triangular Pyramid

Length = n
Surface area 1.8953130782148E+14
Volume 1.079205715738E+21
Height 9862429.3419509