20197918 is an even 8-digits composite number following 20197917
and preceding 20197919 . In scientific notation, it is written as 2.0197918 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 9235296 positive integers (up to 20197918) that are relatively prime to 20197918.
20197918 has 16 divisors, whose sum is 32931360
The reverse of 20197918 is 81979102
Previous prime number is 109
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred ninety-seven thousand nine hundred eighteen
Scientific notation
2.0197918 × 10^7
Engineering notation
2.0197918 × 10^6
Prime Factorization
2 × 13 × 109 × 7127
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20197918
Product of the distinct prime numbers
The prime factorization of 20197918 is 2 × 13 × 109 × 7127.
Since it has a total of 4 prime factors.
1 , 2 , 95 , 80 , 347 , 699 , 7572 , 9672 , 25997 , 88557 , 956171 , 121425 , 4835705 , 4940347 , 94595894 , 2864794 , 268807721 , 47223975 , 8440509166 , 6656666640
n×2
40395836
n×3
60593754
n×4
80791672
n×5
100989590
n÷2
10098959
n÷3
6732639.3333333
n÷3
5049479.5
n÷5
4039583.6
n2
407955891534724
n3
8.2398596448352E+21
n4
1.6642800943789E+29
n5
3.3614992875298E+36
2 √n
4494.2093854203
3 √n
272.33421108113
4 √n
67.038864738451
5 √n
28.910880656021
1 , 2 , 13 , 26 , 109 , 218 , 1417 , 2834 , 7127 , 14254 , 92651 , 185302 , 776843 , 1553686 , 10098959 , 20197918
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
-20197917
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 20197918 can be divided by 16 positive divisors.
The sum of these divisors (counting 20197918) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000011001000011110
3
Ternary
1102000011100001
4
Quaternary
1031003020132
5
Quinary
20132313133
6
Senary
2000524514
8
Octal
115031036
10
Decimal
20197918
12
Duodecimal
692073a
16
Hexadecimal
134321e
20
Vigesimal
664efi
36
Base36
c0wta
md5
46ef9cc0688306e8d67c534db78bdf04
sha1
e45f1a2aecc6e3d5d18a2cf6404356326c02ca24
sha256
004b25588218eae82894c623be76dd95aa41d647eea5330f8c289e86cb0cfc51
sha512
fd28135e6f3c3cc1caa7d6aae5657fc71992c68a089d987605aad2d1445c1ac9c707f3c169f7b565da3a0c6f1b84223aa7f8220c8f729e6db97b1754fd070317
ripemd-160
b8042b5e364f7695940d3beeb0ebdc0b5ac70b23
Diameter
40395836
Circumference
126907261.61322
Area
1.2816312318342E+15
Volume
3.4515043369101E+22
Surface area
5.1265249273367E+15
Circumference
126907261.61322
Perimeter
80791672
Area
407955891534724
Diagonal
28564169.5673
Surface area
2447735349208344
Volume
8.2398596448352E+21
Space diagonal
34983820.18311
Perimeter
60593754
Area
1.766500828463E+14
Altitude
17491910.091555
Surface area
1.766500828463E+14
Volume
9.7107677181473E+20
Height
9521389.8557666