20108978 is an even 8-digits composite number following 20108977
and preceding 20108979 . In scientific notation, it is written as 2.0108978 × 10^7.
The sum of its digits is 35. It has a total of 3 prime factors and 8 positive divisors.
There are 9904356 positive integers (up to 20108978) that are relatively prime to 20108978.
20108978 has 8 divisors, whose sum is 30613872
The reverse of 20108978 is 87980102
Previous prime number is 67
Is Prime? no
Number parity even
Number length 8
Sum of Digits 35
Digital Root 8
Name
twenty million one hundred eight thousand nine hundred seventy-eight
Scientific notation
2.0108978 × 10^7
Engineering notation
2.0108978 × 10^6
Prime Factorization
2 × 67 × 150067
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20108978
Product of the distinct prime numbers
The prime factorization of 20108978 is 2 × 67 × 150067.
Since it has a total of 3 prime factors.
3 , 8 , 89 , 31 , 532 , 71 , 4834 , 117 , 89051 , 50870 , 452818 , 376436 , 1792647 , 5536861 , 53517497 , 7399117 , 666764562 , 563938136 , 9596202456 , 2975497463
n×2
40217956
n×3
60326934
n×4
80435912
n×5
100544890
n÷2
10054489
n÷3
6702992.6666667
n÷3
5027244.5
n÷5
4021795.6
n2
404370996204484
n3
8.1314874665141E+21
n4
1.6351590257141E+29
n5
3.2881376874586E+36
2 √n
4484.3035133675
3 √n
271.9338885605
4 √n
66.9649424204
5 √n
28.885374316231
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
-20108977
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 20108978 can be divided by 8 positive divisors.
The sum of these divisors (counting 20108978) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101101011010110010
3
Ternary
1101211122022222
4
Quaternary
1030231122302
5
Quinary
20121441403
6
Senary
1555001042
8
Octal
114553262
10
Decimal
20108978
12
Duodecimal
6899182
16
Hexadecimal
132d6b2
20
Vigesimal
65dc8i
36
Base36
bz06q
md5
ea5449e548b2e2682276c5fe286e2d62
sha1
4fc934a84cb1c6536a57e2fb1eba7e716158f260
sha256
8a1ef3ef4ed9582e34b3c60350652b4a64dcb7ec53355409380e50edd3e137c8
sha512
5723c4eda0f900cc401cc210aea8104e9ef09992e7fb05b888e15e31452fe0f1fee0609d70e4fc7e2c48f5ac4928da67df6d3687accad64de6d8fdca75e05eb0
ripemd-160
2ed7fd25282da4ce7b9d74d181205ff99a78255d
Diameter
40217956
Circumference
126348435.112
Area
1.2703689510008E+15
Volume
3.4061095050077E+22
Surface area
5.0814758040032E+15
Circumference
126348435.112
Perimeter
80435912
Area
404370996204484
Diagonal
28438389.413062
Surface area
2426225977226904
Volume
8.1314874665141E+21
Space diagonal
34829771.584285
Perimeter
60326934
Area
1.7509777763335E+14
Altitude
17414885.792142
Surface area
1.7509777763335E+14
Volume
9.5830498811758E+20
Height
9479463.1376874