20107979 is an odd 8-digits composite number following 20107978
and preceding 20107980 . In scientific notation, it is written as 2.0107979 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 19778280 positive integers (up to 20107979) that are relatively prime to 20107979.
20107979 has 4 divisors, whose sum is 20437680
The reverse of 20107979 is 97970102
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred seven thousand nine hundred seventy-nine
Scientific notation
2.0107979 × 10^7
Engineering notation
2.0107979 × 10^6
Prime Factorization
61 × 329639
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20107979
Product of the distinct prime numbers
The prime factorization of 20107979 is 61 × 329639.
Since it has a total of 2 prime factors.
6 , 7 , 63 , 99 , 842 , 835 , 8878 , 364 , 54573 , 97115 , 653013 , 983955 , 7223604 , 7531671 , 36627362 , 50681329 , 633164212 , 122783703 , 4345129486 , 5399454088
n×2
40215958
n×3
60323937
n×4
80431916
n×5
100539895
n÷2
10053989.5
n÷3
6702659.6666667
n÷3
5026994.75
n÷5
4021595.8
n2
404330819464441
n3
8.1302756268438E+21
n4
1.6348341156879E+29
n5
3.2873210066735E+36
2 √n
4484.1921234488
3 √n
271.92938532396
4 √n
66.964110711998
5 √n
28.885087309478
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20107978
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20107979 can be divided by 4 positive divisors.
The sum of these divisors (counting 20107979) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100101101001011001011
3
Ternary
1101211120221222
4
Quaternary
1030231023023
5
Quinary
20121423404
6
Senary
1554552255
8
Octal
114551313
10
Decimal
20107979
12
Duodecimal
689868b
16
Hexadecimal
132d2cb
20
Vigesimal
65d9ij
36
Base36
byzez
md5
427e20e3ba4f210942089b74e2526576
sha1
d6a0525b1eca3d00d4872837d6858ce1cad69aee
sha256
e81e4dc85f629db564f23c49ceda3a91ac2f2c403a170dbbe54121f8b504342d
sha512
947f79e02f776a39278582c20d34c8e6fc621af26427af8a20c7440160b3ea700b9e0a9a44f43d49001b392f21d0a5773a29b52c9cd07a55de4bc90e3e299523
ripemd-160
50f42ce35f39aaa59208647f52e353155f500b3d
Diameter
40215958
Circumference
126342158.20988
Area
1.2702427320494E+15
Volume
3.4056018907937E+22
Surface area
5.0809709281977E+15
Circumference
126342158.20988
Perimeter
80431916
Area
404330819464441
Diagonal
28436976.613713
Surface area
2425984916786646
Volume
8.1302756268438E+21
Space diagonal
34828041.265528
Perimeter
60323937
Area
1.7508038059459E+14
Altitude
17414020.632764
Surface area
1.7508038059459E+14
Volume
9.5816217144282E+20
Height
9478992.2045711