20172720 is an even 8-digits composite number following 20172719
and preceding 20172721 . In scientific notation, it is written as 2.0172720 × 10^7.
The sum of its digits is 21. It has a total of 6 prime factors and 20 positive divisors.
There are 5379328 positive integers (up to 20172720) that are relatively prime to 20172720.
20172720 has 20 divisors, whose sum is 41690784
The reverse of 20172720 is 02727102
Previous prime number is 15
Is Prime? no
Number parity even
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred seventy-two thousand seven hundred twenty
Scientific notation
2.0172720 × 10^7
Engineering notation
2.0172720 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 15 × 84053
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2521590
Product of the distinct prime numbers
The prime factorization of 20172720 is 2 × 2 × 2 × 2 × 15 × 84053.
Since it has a total of 6 prime factors.
8 , 4 , 42 , 36 , 675 , 944 , 222 , 4521 , 14267 , 72834 , 890588 , 795742 , 4888112 , 9828921 , 62489390 , 5870634 , 605939942 , 347151481 , 1013029031 , 9689164416
n×2
40345440
n×3
60518160
n×4
80690880
n×5
100863600
n÷2
10086360
n÷3
6724240
n÷3
5043180
n÷5
4034544
n2
406938632198400
n3
8.2090590845213E+21
n4
1.655990503755E+29
n5
3.340583275491E+36
2 √n
4491.4051253477
3 √n
272.22091337856
4 √n
67.017946293122
5 √n
28.903663474739
1 , 2 , 4 , 8 , 15 , 16 , 30 , 60 , 120 , 240 , 84053 , 168106 , 336212 , 672424 , 1260795 , 1344848 , 2521590 , 5043180 , 10086360 , 20172720
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20172719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20172720 can be divided by 20 positive divisors.
The sum of these divisors (counting 20172720) is 1, the average is 0.05.
Base
System
Value
2
Binary
1001100111100111110110000
3
Ternary
1101221212202210
4
Quaternary
1030330332300
5
Quinary
20131011340
6
Senary
2000212120
8
Octal
114747660
10
Decimal
20172720
12
Duodecimal
690a040
16
Hexadecimal
133cfb0
20
Vigesimal
661bg0
36
Base36
c0ddc
md5
9a18993b15103a07e1a8029b5df5d723
sha1
ca42efd9b4208b4a5c8cd2b64d7982dcbae4bc81
sha256
e3ac32e7eb3bc42332c870e4f9f8efc69beb39fc6b43e4d5b62c05ad407a02fc
sha512
3745cae8d59a393c319d18901e175bcc323b08fb1b0aa54a699b3375f70fb3b4396d2c32cf2aa7b18abff2aa318ba1aba3cd292aa479f7c32d1c99109b24569f
ripemd-160
e17f9acb86a4b313f6a60d4ab4f2ffb332aaff53
Diameter
40345440
Circumference
126748937.90985
Area
1.2784354173764E+15
Volume
3.4386026283756E+22
Surface area
5.1137416695055E+15
Circumference
126748937.90985
Perimeter
80690880
Area
406938632198400
Diagonal
28528534.213955
Surface area
2441631793190400
Volume
8.2090590845213E+21
Space diagonal
34940175.966861
Perimeter
60518160
Area
1.7620959663255E+14
Altitude
17470087.98343
Surface area
1.7620959663255E+14
Volume
9.6744689097101E+20
Height
9509511.4046517