20986870 is an even 8-digits composite number following 20986869
and preceding 20986871 . In scientific notation, it is written as 2.0986870 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 8394744 positive integers (up to 20986870) that are relatively prime to 20986870.
20986870 has 8 divisors, whose sum is 37776384
The reverse of 20986870 is 07868902
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million nine hundred eighty-six thousand eight hundred seventy
Scientific notation
2.0986870 × 10^7
Engineering notation
2.0986870 × 10^6
Prime Factorization
2 × 5 × 2098687
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20986870
Product of the distinct prime numbers
The prime factorization of 20986870 is 2 × 5 × 2098687.
Since it has a total of 3 prime factors.
1 , 5 , 91 , 52 , 242 , 557 , 4439 , 743 , 88422 , 6669 , 221663 , 952078 , 4876446 , 684418 , 19781663 , 57646811 , 537704837 , 127989465 , 3544105190 , 9822381825
n×2
41973740
n×3
62960610
n×4
83947480
n×5
104934350
n÷2
10493435
n÷3
6995623.3333333
n÷3
5246717.5
n÷5
4197374
n2
440448712396900
n3
9.2436398687411E+21
n4
1.9399506825209E+29
n5
4.0713492780477E+36
2 √n
4581.1428705073
3 √n
275.83490616709
4 √n
67.684140465159
5 √n
29.133290169901
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
-20986869
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 20986870 can be divided by 8 positive divisors.
The sum of these divisors (counting 20986870) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000000011101111110110
3
Ternary
1110111020120111
4
Quaternary
1100003233312
5
Quinary
20333034440
6
Senary
2025453234
8
Octal
120035766
10
Decimal
20986870
12
Duodecimal
704121a
16
Hexadecimal
1403bf6
20
Vigesimal
6b373a
36
Base36
chtkm
md5
909988e0e06e61db7a00b931bbeae138
sha1
632132afdf55ef7fd7e35c76de8503ca01bab892
sha256
fd6e2baa61aa2038507e1e0e99935947d074805f927b5f2a43a7939cfce9c6be
sha512
87346151d011fcac0ca937b322147bf7ce210ae04c22ac11eaf832e9ac349b4c0e405fffded419a0c656977a5fd0d7a650ad3cb0d0464f7a4af85bb4cc541b17
ripemd-160
57716c46627d051798e74f2587b2a3610611fa51
Diameter
41973740
Circumference
131864393.22769
Area
1.3837104391492E+15
Volume
3.8719668138756E+22
Surface area
5.5348417565967E+15
Circumference
131864393.22769
Perimeter
83947480
Area
440448712396900
Diagonal
29679916.185761
Surface area
2642692274381400
Volume
9.2436398687411E+21
Space diagonal
36350325.131843
Perimeter
62960610
Area
1.9071988699993E+14
Altitude
18175162.565922
Surface area
1.9071988699993E+14
Volume
1.0893734056722E+21
Height
9893305.3952537