20921427 (number)

20921427 is an odd 8-digits composite number following 20921426 and preceding 20921428. In scientific notation, it is written as 2.0921427 × 10^7. The sum of its digits is 27. It has a total of 4 prime factors and 12 positive divisors. There are 13917168 positive integers (up to 20921427) that are relatively prime to 20921427.

Interesting facts

Basic properties

Name

Name twenty million nine hundred twenty-one thousand four hundred twenty-seven

Notation

Scientific notation 2.0921427 × 10^7
Engineering notation 2.0921427 × 10^6

Prime Factorization of 20921427

Prime Factorization 3 × 3 × 4567 × 509

Composite number
ω Distinct Factors 3
Total number of distinct prime factors
Ω Total Factors 4
Total number of prime factors
rad Radical 6973809
Product of the distinct prime numbers

The prime factorization of 20921427 is 3 × 3 × 4567 × 509. Since it has a total of 4 prime factors.

Most popular turbo-numbers

7, 4, 34, 23, 71, 968, 5526, 4089, 56598, 59267, 179342, 416988, 6700817, 5048677, 16987856, 99875129, 367443575, 926845875, 6183353744, 7951518721

Basic calculations (n = 20921427)

Multiplication

n×y
n×2 41842854
n×3 62764281
n×4 83685708
n×5 104607135

Division

n÷y
n÷2 10460713.5
n÷3 6973809
n÷3 5230356.75
n÷5 4184285.4

Exponentiation

ny
n2 437706107716329
n3 9.1574363800413E+21
n4 1.9158663673218E+29
n5 4.0082658345678E+36

Nth Root

y√n
2√n 4573.9946436348
3√n 275.54789720184
4√n 67.631314075913
5√n 29.115098296053

Divisors of 20921427

1, 3, 9, 509, 1527, 4567, 4581, 13701, 41103, 2324603, 6973809, 20921427

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 -20921426
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 20921427 can be divided by 12 positive divisors. The sum of these divisors (counting 20921427) is 1, the average is 0.083333333333333.

Base conversion 20921427

Base System Value
2 Binary 1001111110011110001010011
3 Ternary 1110100220210200
4 Quaternary 1033303301103
5 Quinary 20323441202
6 Senary 2024230243
8 Octal 117636123
10 Decimal 20921427
12 Duodecimal 700b383
16 Hexadecimal 13f3c53
20 Vigesimal 6af3b7
36 Base36 cgf2r

Cryptographic Hash Functions

md5 3dfc44008bc30e4c6e34a40c54c181c9
sha1 3602ab2c2556c64187e4bcb7bac3754b360f723d
sha256 fa745abf1cbace44a6671e49c2ab352efe928a9705f1d66195a5d707f8972529
sha512 fd1eced6b9475ffc918e8d017bd8b041c51f986a63d1ee557df6d6704e9ccc077b99acb68a04eea74aec54bbb63081fba37252ed73fca0ee0cfbf8aa1c223f61
ripemd-160 4746f8465e322759cb8077200245ae5c4e706404

20921427 as geometric shapes

Circle

Radius = n
Diameter 41842854
Circumference 131453202.73163
Area 1.375094292433E+15

Sphere

Radius = n
Volume 3.8358579809672E+22
Surface area 5.500377169732E+15
Circumference 131453202.73163

Square

Length = n
Perimeter 83685708
Area 437706107716329
Diagonal 29587365.807599

Cube

Length = n
Surface area 2626236646297974
Volume 9.1574363800413E+21
Space diagonal 36236974.530843

Equilateral Triangle

Length = n
Perimeter 62764281
Area 1.8953230433697E+14
Altitude 18118487.265422

Triangular Pyramid

Length = n
Surface area 1.8953230433697E+14
Volume 1.0792142271019E+21
Height 9862455.2691996