21197812 is an even 8-digits composite number following 21197811
and preceding 21197813 . In scientific notation, it is written as 2.1197812 × 10^7.
The sum of its digits is 31. It has a total of 5 prime factors and 24 positive divisors.
There are 10035168 positive integers (up to 21197812) that are relatively prime to 21197812.
21197812 has 24 divisors, whose sum is 39102336
The reverse of 21197812 is 21879112
Previous prime number is 103
Is Prime? no
Number parity even
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-one million one hundred ninety-seven thousand eight hundred twelve
Scientific notation
2.1197812 × 10^7
Engineering notation
2.1197812 × 10^6
Prime Factorization
2 × 2 × 23 × 103 × 2237
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
10598906
Product of the distinct prime numbers
The prime factorization of 21197812 is 2 × 2 × 23 × 103 × 2237.
Since it has a total of 5 prime factors.
8 , 3 , 57 , 81 , 256 , 919 , 6101 , 1785 , 28681 , 79982 , 979190 , 304245 , 4589963 , 5243218 , 21392200 , 30796688 , 902539504 , 734067297 , 6454732679 , 4459096375
n×2
42395624
n×3
63593436
n×4
84791248
n×5
105989060
n÷2
10598906
n÷3
7065937.3333333
n÷3
5299453
n÷5
4239562.4
n2
449347233587344
n3
9.5251781803046E+21
n4
2.019129363326E+29
n5
4.2801124647464E+36
2 √n
4604.1081655409
3 √n
276.75597897182
4 √n
67.853578870542
5 √n
29.191620688027
1 , 2 , 4 , 23 , 46 , 92 , 103 , 206 , 412 , 2237 , 2369 , 4474 , 4738 , 8948 , 9476 , 51451 , 102902 , 205804 , 230411 , 460822 , 921644 , 5299453 , 10598906 , 21197812
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21197811
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21197812 can be divided by 24 positive divisors.
The sum of these divisors (counting 21197812) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1010000110111001111110100
3
Ternary
1110212221221011
4
Quaternary
1100313033310
5
Quinary
20411312222
6
Senary
2034202004
8
Octal
120671764
10
Decimal
21197812
12
Duodecimal
7123304
16
Hexadecimal
14373f4
20
Vigesimal
6c9eac
36
Base36
cmcc4
md5
b06040b1419acf7475f6f7e35f139b3a
sha1
6f5428068b5ec3ea90fdccf359eb2c02cb319881
sha256
ff3dde1308b098d1d74469b03544f63749f25c06f469c6c6a48814886c529e35
sha512
bb8a28c5d91ab3e2af44eff30cbdb78c08343e1e0bbd8121b05fe8bbfc55d68bf477054a1b80740da11bbcdca1f754590d310b5a8d4fae94d6d41153e9842705
ripemd-160
a2e9aa034d330413f4f8499a60cd78f1476ce532
Diameter
42395624
Circumference
133189780.90276
Area
1.4116659679489E+15
Volume
3.9898973060505E+22
Surface area
5.6466638717956E+15
Circumference
133189780.90276
Perimeter
84791248
Area
449347233587344
Diagonal
29978233.223035
Surface area
2696083401524064
Volume
9.5251781803046E+21
Space diagonal
36715687.393293
Perimeter
63593436
Area
1.9457305970345E+14
Altitude
18357843.696647
Surface area
1.9457305970345E+14
Volume
1.1225530138839E+21
Height
9992744.4076784