21291222 is an even 8-digits composite number following 21291221
and preceding 21291223 . In scientific notation, it is written as 2.1291222 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 7071432 positive integers (up to 21291222) that are relatively prime to 21291222.
21291222 has 16 divisors, whose sum is 42736320
The reverse of 21291222 is 22219212
Previous prime number is 283
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty-one million two hundred ninety-one thousand two hundred twenty-two
Scientific notation
2.1291222 × 10^7
Engineering notation
2.1291222 × 10^6
Prime Factorization
2 × 3 × 283 × 12539
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21291222
Product of the distinct prime numbers
The prime factorization of 21291222 is 2 × 3 × 283 × 12539.
Since it has a total of 4 prime factors.
3 , 8 , 19 , 65 , 350 , 237 , 6687 , 1464 , 67546 , 96282 , 610824 , 286912 , 366318 , 1972427 , 46239103 , 41950491 , 931713375 , 756231181 , 1948380197 , 2090299487
n×2
42582444
n×3
63873666
n×4
85164888
n×5
106456110
n÷2
10645611
n÷3
7097074
n÷3
5322805.5
n÷5
4258244.4
n2
453316134253284
n3
9.6516544505685E+21
n4
2.0549551757434E+29
n5
4.3752506846802E+36
2 √n
4614.2412160614
3 √n
277.16189973361
4 √n
67.928206336259
5 √n
29.217302542584
1 , 2 , 3 , 6 , 283 , 566 , 849 , 1698 , 12539 , 25078 , 37617 , 75234 , 3548537 , 7097074 , 10645611 , 21291222
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21291221
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21291222 can be divided by 16 positive divisors.
The sum of these divisors (counting 21291222) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010001001110000011010110
3
Ternary
1111001201001210
4
Quaternary
1101032003112
5
Quinary
20422304342
6
Senary
2040202250
8
Octal
121160326
10
Decimal
21291222
12
Duodecimal
7169386
16
Hexadecimal
144e0d6
20
Vigesimal
6d1812
36
Base36
coceu
md5
0cd859ef729c527f6b6f7b229c0590ec
sha1
1b7de41f6526a65fedd8cd5cc4325b312849b998
sha256
6e6dd5d7937f5cec98b026a52ba0e636fa3d75f3411d5b0efd221d4eb49b164f
sha512
12cb088898eae2b402d1fcbe9d7a50a483c9f0fa47e98a23ead33cbf881c3eaf800c5d4538faf6d5b07de67d51489d7dbef01999ce9188387a8078481be6ac49
ripemd-160
bf88f6d368ae441b983ee44cbf25df14c955fca5
Diameter
42582444
Circumference
133776693.2423
Area
1.4241346371238E+15
Volume
4.0428755622524E+22
Surface area
5.6965385484954E+15
Circumference
133776693.2423
Perimeter
85164888
Area
453316134253284
Diagonal
30110334.911896
Surface area
2719896805519704
Volume
9.6516544505685E+21
Space diagonal
36877478.259228
Perimeter
63873666
Area
1.9629164410435E+14
Altitude
18438739.129614
Surface area
1.9629164410435E+14
Volume
1.1374583852777E+21
Height
10036778.303965