21351427 (number)

21351427 is an odd 8-digits composite number following 21351426 and preceding 21351428. In scientific notation, it is written as 2.1351427 × 10^7. The sum of its digits is 25. It has a total of 2 prime factors and 4 positive divisors. There are 21340240 positive integers (up to 21351427) that are relatively prime to 21351427.

Interesting facts

Basic properties

Name

Name twenty-one million three hundred fifty-one thousand four hundred twenty-seven

Notation

Scientific notation 2.1351427 × 10^7
Engineering notation 2.1351427 × 10^6

Prime Factorization of 21351427

Prime Factorization 2441 × 8747

Composite number
ω Distinct Factors 2
Total number of distinct prime factors
Ω Total Factors 2
Total number of prime factors
rad Radical 21351427
Product of the distinct prime numbers

The prime factorization of 21351427 is 2441 × 8747. Since it has a total of 2 prime factors.

Most popular turbo-numbers

Basic calculations (n = 21351427)

Multiplication

n×y
n×2 42702854
n×3 64054281
n×4 85405708
n×5 106757135

Division

n÷y
n÷2 10675713.5
n÷3 7117142.3333333
n÷3 5337856.75
n÷5 4270285.4

Exponentiation

ny
n2 455883434936329
n3 9.7337618815523E+21
n4 2.0782970624935E+29
n5 4.4374608014144E+36

Nth Root

y√n
2√n 4620.7604352531
3√n 277.422896632
4√n 67.976175497398
5√n 29.233807386446

Divisors of 21351427

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 -21351426
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 21351427 can be divided by 4 positive divisors. The sum of these divisors (counting 21351427) is 1, the average is 0.25.

Base conversion 21351427

Base System Value
2 Binary 1010001011100110000000011
3 Ternary 1111011202122121
4 Quaternary 1101130300003
5 Quinary 20431221202
6 Senary 2041345111
8 Octal 121346003
10 Decimal 21351427
12 Duodecimal 7198197
16 Hexadecimal 145cc03
20 Vigesimal 6d8ib7
36 Base36 cpmv7

Cryptographic Hash Functions

md5 d535ad8e823971e06b5f6d6b6899864d
sha1 8ee223c04f8284d3c6ee4b4462a267caaea5566e
sha256 0e6d577cd14bcf6b492a2247c6d35fc48dbc26c44d669bc7ca7845f758a4e8be
sha512 4cc147b6892897e9bb887ac6bd9b306b7bd6c5603c2314292039990d869412c00d85d644ee61c6309d9b59a8acd96cd053204509966b357edd2abeeb4c445a70
ripemd-160 1377afa8064cb929cb73bb8693971a72fbd8a844

21351427 as geometric shapes

Circle

Radius = n
Diameter 42702854
Circumference 134154972.41372
Area 1.4322000500893E+15

Sphere

Radius = n
Volume 4.0772686425169E+22
Surface area 5.728800200357E+15
Circumference 134154972.41372

Square

Length = n
Perimeter 85405708
Area 455883434936329
Diagonal 30195477.639419

Cube

Length = n
Surface area 2735300609617974
Volume 9.7337618815523E+21
Space diagonal 36981756.378098

Equilateral Triangle

Length = n
Perimeter 64054281
Area 1.9740331790969E+14
Altitude 18490878.189049

Triangular Pyramid

Length = n
Surface area 1.9740331790969E+14
Volume 1.1471348388168E+21
Height 10065159.21314