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.
21351427 has 4 divisors, whose sum is 21362616
The reverse of 21351427 is 72415312
Previous prime number is 2441
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty-one million three hundred fifty-one thousand four hundred twenty-seven
Scientific notation
2.1351427 × 10^7
Engineering notation
2.1351427 × 10^6
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.
3 , 2 , 62 , 11 , 563 , 32 , 6648 , 3495 , 39118 , 84734 , 481747 , 647272 , 2089163 , 9055649 , 94255982 , 21645251 , 580755905 , 292647699 , 5776445761 , 1874351121
n×2
42702854
n×3
64054281
n×4
85405708
n×5
106757135
n÷2
10675713.5
n÷3
7117142.3333333
n÷3
5337856.75
n÷5
4270285.4
n2
455883434936329
n3
9.7337618815523E+21
n4
2.0782970624935E+29
n5
4.4374608014144E+36
2 √n
4620.7604352531
3 √n
277.422896632
4 √n
67.976175497398
5 √n
29.233807386446
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
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
md5
d535ad8e823971e06b5f6d6b6899864d
sha1
8ee223c04f8284d3c6ee4b4462a267caaea5566e
sha256
0e6d577cd14bcf6b492a2247c6d35fc48dbc26c44d669bc7ca7845f758a4e8be
sha512
4cc147b6892897e9bb887ac6bd9b306b7bd6c5603c2314292039990d869412c00d85d644ee61c6309d9b59a8acd96cd053204509966b357edd2abeeb4c445a70
ripemd-160
1377afa8064cb929cb73bb8693971a72fbd8a844
Diameter
42702854
Circumference
134154972.41372
Area
1.4322000500893E+15
Volume
4.0772686425169E+22
Surface area
5.728800200357E+15
Circumference
134154972.41372
Perimeter
85405708
Area
455883434936329
Diagonal
30195477.639419
Surface area
2735300609617974
Volume
9.7337618815523E+21
Space diagonal
36981756.378098
Perimeter
64054281
Area
1.9740331790969E+14
Altitude
18490878.189049
Surface area
1.9740331790969E+14
Volume
1.1471348388168E+21
Height
10065159.21314