20807898 is an even 8-digits composite number following 20807897
and preceding 20807899 . In scientific notation, it is written as 2.0807898 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 6527936 positive integers (up to 20807898) that are relatively prime to 20807898.
20807898 has 16 divisors, whose sum is 44064000
The reverse of 20807898 is 89870802
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million eight hundred seven thousand eight hundred ninety-eight
Scientific notation
2.0807898 × 10^7
Engineering notation
2.0807898 × 10^6
Prime Factorization
2 × 3 × 17 × 203999
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20807898
Product of the distinct prime numbers
The prime factorization of 20807898 is 2 × 3 × 17 × 203999.
Since it has a total of 4 prime factors.
1 , 5 , 63 , 82 , 446 , 988 , 1604 , 1557 , 91 , 36973 , 491464 , 881634 , 2322097 , 3854587 , 71214149 , 68793488 , 611196768 , 588966875 , 5192262970 , 4881336981
n×2
41615796
n×3
62423694
n×4
83231592
n×5
104039490
n÷2
10403949
n÷3
6935966
n÷3
5201974.5
n÷5
4161579.6
n2
432968619178404
n3
9.0091668650651E+21
n4
1.8746182519325E+29
n5
3.9006865375151E+36
2 √n
4561.567493746
3 √n
275.04857764434
4 √n
67.539377356813
5 √n
29.083431181847
1 , 2 , 3 , 6 , 17 , 34 , 51 , 102 , 203999 , 407998 , 611997 , 1223994 , 3467983 , 6935966 , 10403949 , 20807898
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
-20807897
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 20807898 can be divided by 16 positive divisors.
The sum of these divisors (counting 20807898) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111011000000011011010
3
Ternary
1110011011001220
4
Quaternary
1033120003122
5
Quinary
20311323043
6
Senary
2021552510
8
Octal
117300332
10
Decimal
20807898
12
Duodecimal
6b75736
16
Hexadecimal
13d80da
20
Vigesimal
6a0jei
36
Base36
cdzh6
md5
b5b9d4aaa51b6493e306822208108aa3
sha1
374b14c15f52637c46e5acfd94dd179304f413b6
sha256
b30e09716680148fc38e7a37199a96c7e19538390540e6e889001d496d208e20
sha512
1d6d28445a4f2a662d2461479aba33f9573ea71a78e216159608aa7e3228f185aabd302290b925b868ac7a8a7d4345ea324f54577fd61906ce6c9acf142ba89b
ripemd-160
8b453b1c326ca9e68f6cef2c89b018f3812c7b30
Diameter
41615796
Circumference
130739878.98689
Area
1.3602110332458E+15
Volume
3.7737509917671E+22
Surface area
5.4408441329832E+15
Circumference
130739878.98689
Perimeter
83231592
Area
432968619178404
Diagonal
29426811.556076
Surface area
2597811715070424
Volume
9.0091668650651E+21
Space diagonal
36040336.534711
Perimeter
62423694
Area
1.8748091162498E+14
Altitude
18020168.267355
Surface area
1.8748091162498E+14
Volume
1.0617404971881E+21
Height
9808937.1853587