21898982 is an even 8-digits composite number following 21898981
and preceding 21898983 . In scientific notation, it is written as 2.1898982 × 10^7.
The sum of its digits is 47. It has a total of 6 prime factors and 36 positive divisors.
There are 8876952 positive integers (up to 21898982) that are relatively prime to 21898982.
21898982 has 36 divisors, whose sum is 40393620
The reverse of 21898982 is 28989812
Previous prime number is 19
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
twenty-one million eight hundred ninety-eight thousand nine hundred eighty-two
Scientific notation
2.1898982 × 10^7
Engineering notation
2.1898982 × 10^6
Prime Factorization
2 × 7 × 7 × 19 × 19 × 619
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
164654
Product of the distinct prime numbers
The prime factorization of 21898982 is 2 × 7 × 7 × 19 × 19 × 619.
Since it has a total of 6 prime factors.
8 , 8 , 7 , 60 , 455 , 986 , 4552 , 2239 , 50281 , 291 , 375324 , 731550 , 5379107 , 4388864 , 40119143 , 39342744 , 879408464 , 722934952 , 734855797 , 5162330046
n×2
43797964
n×3
65696946
n×4
87595928
n×5
109494910
n÷2
10949491
n÷3
7299660.6666667
n÷3
5474745.5
n÷5
4379796.4
n2
479565412636324
n3
1.0501994339145E+22
n4
2.2998298499705E+29
n5
5.0363932487566E+36
2 √n
4679.6348148119
3 √n
279.77440161561
4 √n
68.407856382231
5 √n
29.382232118405
1 , 2 , 7 , 14 , 19 , 38 , 49 , 98 , 133 , 266 , 361 , 619 , 722 , 931 , 1238 , 1862 , 2527 , 4333 , 5054 , 8666 , 11761 , 17689 , 23522 , 30331 , 35378 , 60662 , 82327 , 164654 , 223459 , 446918 , 576289 , 1152578 , 1564213 , 3128426 , 10949491 , 21898982
36 divisors
τ
Total Divisors
36
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21898981
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.027777777777778
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
36
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21898982 can be divided by 36 positive divisors.
The sum of these divisors (counting 21898982) is 1, the average is 0.027777777777778.
Base
System
Value
2
Binary
1010011100010011011100110
3
Ternary
1112012120202102
4
Quaternary
1103202123212
5
Quinary
21101231412
6
Senary
2101212102
8
Octal
123423346
10
Decimal
21898982
12
Duodecimal
7401032
16
Hexadecimal
14e26e6
20
Vigesimal
6gh792
36
Base36
d1dd2
md5
6c2ab6651a5d931879959574d9524a3d
sha1
2c917d6904731903659fcf8fd5ef6f914815f03d
sha256
c7083c786abf3b8fa3b54217cfb2f9e1539546607ec58cad40c4fc6eda6462b8
sha512
ccb7f59ffbd2d5b84bb8e75a8eac5a7852fdd2bb5cd8f82fbb22988f101546d4541ba180b1f4c01f012b28ff658e3a7168216e92b9cd958fadf2cd901bf58913
ripemd-160
21def9d618856270838a8dbf3cfee7b5f1a2022e
Diameter
43797964
Circumference
137595361.94459
Area
1.506599177254E+15
Volume
4.3990651018535E+22
Surface area
6.0263967090161E+15
Circumference
137595361.94459
Perimeter
87595928
Area
479565412636324
Diagonal
30969837.346564
Surface area
2877392475817944
Volume
1.0501994339145E+22
Space diagonal
37930149.458036
Perimeter
65696946
Area
2.0765791505971E+14
Altitude
18965074.729018
Surface area
2.0765791505971E+14
Volume
1.2376719021987E+21
Height
10323279.115521