20874985 is an odd 8-digits composite number following 20874984
and preceding 20874986 . In scientific notation, it is written as 2.0874985 × 10^7.
The sum of its digits is 43. It has a total of 2 prime factors and 4 positive divisors.
There are 16699984 positive integers (up to 20874985) that are relatively prime to 20874985.
20874985 has 4 divisors, whose sum is 25049988
The reverse of 20874985 is 58947802
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 43
Digital Root 7
Name
twenty million eight hundred seventy-four thousand nine hundred eighty-five
Scientific notation
2.0874985 × 10^7
Engineering notation
2.0874985 × 10^6
Prime Factorization
5 × 4174997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20874985
Product of the distinct prime numbers
The prime factorization of 20874985 is 5 × 4174997.
Since it has a total of 2 prime factors.
6 , 9 , 91 , 21 , 884 , 281 , 8248 , 5975 , 54128 , 46405 , 2137 , 924276 , 2892200 , 1655246 , 94751937 , 51622216 , 536270270 , 698735447 , 5017953662 , 5744855978
n×2
41749970
n×3
62624955
n×4
83499940
n×5
104374925
n÷2
10437492.5
n÷3
6958328.3333333
n÷3
5218746.25
n÷5
4174997
n2
435764998750225
n3
9.096587812436E+21
n4
1.8989113413578E+29
n5
3.9639745767175E+36
2 √n
4568.915079097
3 √n
275.34385636871
4 √n
67.593750296141
5 √n
29.102160692652
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
-20874984
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 20874985 can be divided by 4 positive divisors.
The sum of these divisors (counting 20874985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111101000011011101001
3
Ternary
1110021120002121
4
Quaternary
1033220123221
5
Quinary
20320444420
6
Senary
2023231241
8
Octal
117503351
10
Decimal
20874985
12
Duodecimal
6ba8521
16
Hexadecimal
13e86e9
20
Vigesimal
6a9795
36
Base36
cff8p
md5
a668e1778dbcff2fce89fdbe9b68d65c
sha1
70097ff356a127ccb3272839dc0a153aabfa241a
sha256
f7c10a164ec7db2b928ef442ed3748bbdf9b7183f675c6103ac54e3ee0eb315d
sha512
b0b5f04d9392591fc026890bbe1e85794e964a32be41f282ea94b5fd6f5eb33f9a26de7576e6eb96914c145a218632ed08179fe9536212936a4f29c31241e1e6
ripemd-160
44706f21adf4b21dff5f636fa17b5abc1d9fe86c
Diameter
41749970
Circumference
131161399.03959
Area
1.3689961187653E+15
Volume
3.8103697925711E+22
Surface area
5.4759844750611E+15
Circumference
131161399.03959
Perimeter
83499940
Area
435764998750225
Diagonal
29521686.901335
Surface area
2614589992501350
Volume
9.096587812436E+21
Space diagonal
36156534.627238
Perimeter
62624955
Area
1.8869177949889E+14
Altitude
18078267.313619
Surface area
1.8869177949889E+14
Volume
1.0720431546387E+21
Height
9840562.300445