20972642 is an even 8-digits composite number following 20972641
and preceding 20972643 . In scientific notation, it is written as 2.0972642 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 9934320 positive integers (up to 20972642) that are relatively prime to 20972642.
20972642 has 16 divisors, whose sum is 33141312
The reverse of 20972642 is 24627902
Previous prime number is 107
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million nine hundred seventy-two thousand six hundred forty-two
Scientific notation
2.0972642 × 10^7
Engineering notation
2.0972642 × 10^6
Prime Factorization
2 × 23 × 107 × 4261
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20972642
Product of the distinct prime numbers
The prime factorization of 20972642 is 2 × 23 × 107 × 4261.
Since it has a total of 4 prime factors.
1 , 4 , 73 , 72 , 633 , 773 , 2818 , 4737 , 5501 , 92492 , 26046 , 17624 , 3416557 , 7636120 , 45633259 , 87815861 , 984278747 , 195484463 , 228189919 , 5240937560
n×2
41945284
n×3
62917926
n×4
83890568
n×5
104863210
n÷2
10486321
n÷3
6990880.6666667
n÷3
5243160.5
n÷5
4194528.4
n2
439851712460164
n3
9.224852498514E+21
n4
1.9346952895414E+29
n5
4.0575671686638E+36
2 √n
4579.5897196146
3 √n
275.77255819642
4 √n
67.672665970942
5 √n
29.129338928917
1 , 2 , 23 , 46 , 107 , 214 , 2461 , 4261 , 4922 , 8522 , 98003 , 196006 , 455927 , 911854 , 10486321 , 20972642
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20972641
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20972642 can be divided by 16 positive divisors.
The sum of these divisors (counting 20972642) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000000000010001100010
3
Ternary
1110110112001112
4
Quaternary
1100000101202
5
Quinary
20332111032
6
Senary
2025303322
8
Octal
120002142
10
Decimal
20972642
12
Duodecimal
7034b42
16
Hexadecimal
1400462
20
Vigesimal
6b1bc2
36
Base36
chile
md5
ac1b366980db8313b087f156e25702ff
sha1
4fe5b45ac32da466b89a9873c75eecec01faa762
sha256
e684dc9a084430f2500f74c69588d22b61227e9ceea3d24b0cebd1d035865321
sha512
b46614c1d36459849a9b419feb1416f461b62ee253509e8f92c5e5e1a06243f57f812ef17a8704bc6f85c8e1edd0f19a9261388eff748870b9fe8101a7b152b2
ripemd-160
78db0ec9808a0c796e864f2b4085c4f19262da65
Diameter
41945284
Circumference
131774996.06714
Area
1.3818349085337E+15
Volume
3.8640971786375E+22
Surface area
5.527339634135E+15
Circumference
131774996.06714
Perimeter
83890568
Area
439851712460164
Diagonal
29659794.755196
Surface area
2639110274760984
Volume
9.224852498514E+21
Space diagonal
36325681.512953
Perimeter
62917926
Area
1.904613784443E+14
Altitude
18162840.756476
Surface area
1.904613784443E+14
Volume
1.0871592928575E+21
Height
9886598.2517319