20171972 is an even 8-digits composite number following 20171971
and preceding 20171973 . In scientific notation, it is written as 2.0171972 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 12 positive divisors.
There are 10068456 positive integers (up to 20171972) that are relatively prime to 20171972.
20171972 has 12 divisors, whose sum is 35362320
The reverse of 20171972 is 27917102
Previous prime number is 619
Is Prime? no
Number parity even
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred seventy-one thousand nine hundred seventy-two
Scientific notation
2.0171972 × 10^7
Engineering notation
2.0171972 × 10^6
Prime Factorization
2 × 2 × 619 × 8147
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
10085986
Product of the distinct prime numbers
The prime factorization of 20171972 is 2 × 2 × 619 × 8147.
Since it has a total of 4 prime factors.
1 , 6 , 53 , 24 , 258 , 73 , 8389 , 8216 , 6741 , 12223 , 3463 , 476705 , 4788586 , 9488263 , 25711733 , 5415148 , 685162942 , 3968211 , 8162452010 , 6543261824
n×2
40343944
n×3
60515916
n×4
80687888
n×5
100859860
n÷2
10085986
n÷3
6723990.6666667
n÷3
5042993
n÷5
4034394.4
n2
406908454368784
n3
8.2081459480904E+21
n4
1.6557449023679E+29
n5
3.3399639809709E+36
2 √n
4491.321854421
3 √n
272.21754870654
4 √n
67.017325031823
5 √n
28.903449123269
1 , 2 , 4 , 619 , 1238 , 2476 , 8147 , 16294 , 32588 , 5042993 , 10085986 , 20171972
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
-20171971
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 20171972 can be divided by 12 positive divisors.
The sum of these divisors (counting 20171972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
1001100111100110011000100
3
Ternary
1101221211202002
4
Quaternary
1030330303010
5
Quinary
20131000342
6
Senary
2000204432
8
Octal
114746304
10
Decimal
20171972
12
Duodecimal
6909718
16
Hexadecimal
133ccc4
20
Vigesimal
6619ic
36
Base36
c0csk
md5
87efab07d0e9320dbf6d38e622ced45f
sha1
106d9b19876e32c4565b00df5c997b2e5a525d71
sha256
a262af40cf99ec3345e6868119058f3635ff726b310bdf2098c0b99eca4606fe
sha512
a65be1c2f894efcb02ed02db7d8dccc732e17e89e06acbd8f18593c18ffd42366a225369b538f65b08473203bdf8b6f989df89f36b5e0c4d138f1f11a9944498
ripemd-160
1d38ca4b9079a583ce3e7e58bc2160586b7e31c7
Diameter
40343944
Circumference
126744238.08724
Area
1.2783406109285E+15
Volume
3.4382201346818E+22
Surface area
5.1133624437142E+15
Circumference
126744238.08724
Perimeter
80687888
Area
406908454368784
Diagonal
28527476.38221
Surface area
2441450726212704
Volume
8.2081459480904E+21
Space diagonal
34938880.392857
Perimeter
60515916
Area
1.7619652924901E+14
Altitude
17469440.196428
Surface area
1.7619652924901E+14
Volume
9.673392768106E+20
Height
9509158.7940701