1972642 is an even 7-digits composite number following 1972641
and preceding 1972643 . In scientific notation, it is written as 1.972642 × 10^6.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 845376 positive integers (up to 1972642) that are relatively prime to 1972642.
1972642 has 12 divisors, whose sum is 3442230
The reverse of 1972642 is 2462791
Previous prime number is 7
Is Prime? no
Number parity even
Number length 7
Sum of Digits 31
Digital Root 4
Name
one million nine hundred seventy-two thousand six hundred forty-two
Scientific notation
1.972642 × 10^6
Engineering notation
1.972642 × 10^6
Prime Factorization
2 × 7 × 7 × 20129
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
281806
Product of the distinct prime numbers
The prime factorization of 1972642 is 2 × 7 × 7 × 20129.
Since it has a total of 4 prime factors.
10 , 2 , 39 , 6 , 120 , 306 , 923 , 3603 , 95815 , 53776 , 91385 , 176358 , 5413174 , 4395879 , 70168751 , 81285675 , 719047513 , 983822845 , 6416666094 , 8770083870
n×2
3945284
n×3
5917926
n×4
7890568
n×5
9863210
n÷2
986321
n÷3
657547.33333333
n÷3
493160.5
n÷5
394528.4
n2
3891316460164
n3
7676174284610833288
n4
1.5142343793143E+25
n5
2.9870423344794E+31
2 √n
1404.5077429477
3 √n
125.41498345196
4 √n
37.476762706345
5 √n
18.155560252483
1 , 2 , 7 , 14 , 49 , 98 , 20129 , 40258 , 140903 , 281806 , 986321 , 1972642
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1972641
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1972642 can be divided by 12 positive divisors.
The sum of these divisors (counting 1972642) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111100001100110100010
3
Ternary
10201012221211
4
Quaternary
13201212202
5
Quinary
1001111032
6
Senary
110140334
8
Octal
7414642
10
Decimal
1972642
12
Duodecimal
7b16aa
16
Hexadecimal
1e19a2
20
Vigesimal
c6bc2
36
Base36
16a3m
md5
ec363000db880a19ae70540a65266fe8
sha1
8d404c769c6676736c1bed0c997ab9dc5d46fb5c
sha256
af2f47f6556a09d5e03db70bf2360bad378359e4a29a71ca84fa45ad0943d56d
sha512
e63944f21604cfc4dd511856aa8f66bca69e340092bc4494eca1a3de9facd2baa36b6089eb175674ada969962ea315a4bdda98ba2c5a2ed32adc2c00c0460a5c
ripemd-160
349dd94a1d010bce14200955901e936337eb3bff
Diameter
3945284
Circumference
12394475.230725
Area
12224931204044
Volume
3.2153883653611E+19
Surface area
48899724816177
Circumference
12394475.230725
Perimeter
7890568
Area
3891316460164
Diagonal
2789737.0701068
Surface area
23347898760984
Volume
7676174284610833288
Space diagonal
3416716.1691443
Perimeter
5917926
Area
1684989454333.3
Altitude
1708358.0845721
Surface area
1684989454333.3
Volume
9.0464581503635E+17
Height
929912.35670226