20996871 is an odd 8-digits composite number following 20996870
and preceding 20996872 . In scientific notation, it is written as 2.0996871 × 10^7.
The sum of its digits is 42. It has a total of 5 prime factors and 32 positive divisors.
There are 11456640 positive integers (up to 20996871) that are relatively prime to 20996871.
20996871 has 32 divisors, whose sum is 33474048
The reverse of 20996871 is 17869902
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
twenty million nine hundred ninety-six thousand eight hundred seventy-one
Scientific notation
2.0996871 × 10^7
Engineering notation
2.0996871 × 10^6
Prime Factorization
7 × 3 × 37 × 61 × 443
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20996871
Product of the distinct prime numbers
The prime factorization of 20996871 is 7 × 3 × 37 × 61 × 443.
Since it has a total of 5 prime factors.
9 , 7 , 38 , 13 , 180 , 436 , 4514 , 5684 , 21534 , 54234 , 284619 , 432691 , 8528861 , 9486486 , 34597729 , 31607618 , 155481615 , 214705550 , 7821240229 , 1218823326
n×2
41993742
n×3
62990613
n×4
83987484
n×5
104984355
n÷2
10498435.5
n÷3
6998957
n÷3
5249217.75
n÷5
4199374.2
n2
440868591790641
n3
9.2568609497797E+21
n4
1.9436511522746E+29
n5
4.0810592513312E+36
2 √n
4582.2342803484
3 √n
275.87871430075
4 √n
67.692202507736
5 √n
29.136066253357
1 , 3 , 7 , 21 , 37 , 61 , 111 , 183 , 259 , 427 , 443 , 777 , 1281 , 1329 , 2257 , 3101 , 6771 , 9303 , 15799 , 16391 , 27023 , 47397 , 49173 , 81069 , 114737 , 189161 , 344211 , 567483 , 999851 , 2999553 , 6998957 , 20996871
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20996870
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20996871 can be divided by 32 positive divisors.
The sum of these divisors (counting 20996871) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000110001100000111
3
Ternary
1110111202021220
4
Quaternary
1100012030013
5
Quinary
20333344441
6
Senary
2030011423
8
Octal
120061407
10
Decimal
20996871
12
Duodecimal
7046b73
16
Hexadecimal
1406307
20
Vigesimal
6b4c3b
36
Base36
ci1af
md5
92e08c10f7e1a90d0a9af2e60dced5aa
sha1
70860138399d8ea0f5ba5421522ea6ce60a4b2c6
sha256
8faec7bc1d8690a2c1750237ae5022a7bb4a363145d797c198f57717079ba6c4
sha512
8372319e67c6e8870d6214ec35527c371fbeb78bcd12ce1011221d618e427002828724ed225c010fb49767bf2ef6c2bcb6656ae2521f14da34a1e0197c3b0eaa
ripemd-160
f3e3975fb832d8495b73781c10d9acbdea3283a0
Diameter
41993742
Circumference
131927231.36395
Area
1.385029529168E+15
Volume
3.8775048473507E+22
Surface area
5.5401181166718E+15
Circumference
131927231.36395
Perimeter
83987484
Area
440868591790641
Diagonal
29694059.735598
Surface area
2645211550743846
Volume
9.2568609497797E+21
Space diagonal
36367647.37197
Perimeter
62990613
Area
1.9090170011068E+14
Altitude
18183823.685985
Surface area
1.9090170011068E+14
Volume
1.090931525015E+21
Height
9898019.9118661