20998974 is an even 8-digits composite number following 20998973
and preceding 20998975 . In scientific notation, it is written as 2.0998974 × 10^7.
The sum of its digits is 48. It has a total of 3 prime factors and 8 positive divisors.
There are 6999656 positive integers (up to 20998974) that are relatively prime to 20998974.
20998974 has 8 divisors, whose sum is 41997960
The reverse of 20998974 is 47989902
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
twenty million nine hundred ninety-eight thousand nine hundred seventy-four
Scientific notation
2.0998974 × 10^7
Engineering notation
2.0998974 × 10^6
Prime Factorization
2 × 3 × 3499829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20998974
Product of the distinct prime numbers
The prime factorization of 20998974 is 2 × 3 × 3499829.
Since it has a total of 3 prime factors.
9 , 5 , 5 , 51 , 1 , 100 , 968 , 693 , 24524 , 79293 , 596854 , 702786 , 7074505 , 4807735 , 15655532 , 76037783 , 976583973 , 191165160 , 7020802554 , 8518762932
n×2
41997948
n×3
62996922
n×4
83995896
n×5
104994870
n÷2
10499487
n÷3
6999658
n÷3
5249743.5
n÷5
4199794.8
n2
440956909052676
n3
9.2596426683175E+21
n4
1.9444299564129E+29
n5
4.0831034099536E+36
2 √n
4582.4637478108
3 √n
275.88792445985
4 √n
67.693897419271
5 √n
29.136649870723
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20998973
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20998974 can be divided by 8 positive divisors.
The sum of these divisors (counting 20998974) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000110101100111110
3
Ternary
1110111212011210
4
Quaternary
1100012230332
5
Quinary
20333431344
6
Senary
2030025250
8
Octal
120065476
10
Decimal
20998974
12
Duodecimal
7048226
16
Hexadecimal
1406b3e
20
Vigesimal
6b4h8e
36
Base36
ci2wu
md5
56c1e4c0634cc4fbdc5f609f53dc7c58
sha1
892b156460d3cdd05e3505468e719239c08fc241
sha256
dd68279951051477833246ed6d54dbbaa047c71854aecc12c61f421760887ead
sha512
cc7889c77ae0a73eb2c12ee84686e17aeba5bfd7097de3f83704156cc97f46bd13b89efb392f36fd0af57f7d792a4e766816ee782048636848e351944933ff47
ripemd-160
86d064436c7b0c06ec11a9016c84add07bf05698
Diameter
41997948
Circumference
131940444.90265
Area
1.3853069860295E+15
Volume
3.878670050887E+22
Surface area
5.5412279441182E+15
Circumference
131940444.90265
Perimeter
83995896
Area
440956909052676
Diagonal
29697033.82672
Surface area
2645741454316056
Volume
9.2596426683175E+21
Space diagonal
36371289.874818
Perimeter
62996922
Area
1.9093994260694E+14
Altitude
18185644.937409
Surface area
1.9093994260694E+14
Volume
1.0912593536886E+21
Height
9899011.2755733