20680045 is an odd 8-digits composite number following 20680044
and preceding 20680046 . In scientific notation, it is written as 2.0680045 × 10^7.
The sum of its digits is 25. It has a total of 4 prime factors and 16 positive divisors.
There are 15833664 positive integers (up to 20680045) that are relatively prime to 20680045.
20680045 has 16 divisors, whose sum is 25896960
The reverse of 20680045 is 54008602
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
twenty million six hundred eighty thousand forty-five
Scientific notation
2.0680045 × 10^7
Engineering notation
2.0680045 × 10^6
Prime Factorization
5 × 29 × 127 × 1123
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20680045
Product of the distinct prime numbers
The prime factorization of 20680045 is 5 × 29 × 127 × 1123.
Since it has a total of 4 prime factors.
2 , 7 , 38 , 55 , 587 , 912 , 1457 , 2590 , 8691 , 39252 , 943077 , 144722 , 162382 , 2217300 , 54942264 , 71727919 , 471103831 , 160092789 , 1618879831 , 2882187945
n×2
41360090
n×3
62040135
n×4
82720180
n×5
103400225
n÷2
10340022.5
n÷3
6893348.3333333
n÷3
5170011.25
n÷5
4136009
n2
427664261202025
n3
8.8441161665496E+21
n4
1.8289672030947E+29
n5
3.7823124063523E+36
2 √n
4547.5317481025
3 √n
274.48407953205
4 √n
67.435389433905
5 √n
29.047602701935
1 , 5 , 29 , 127 , 145 , 635 , 1123 , 3683 , 5615 , 18415 , 32567 , 142621 , 162835 , 713105 , 4136009 , 20680045
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
-20680044
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 20680045 can be divided by 16 positive divisors.
The sum of these divisors (counting 20680045) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001110111000110101101101
3
Ternary
1102220122200121
4
Quaternary
1032320311231
5
Quinary
20243230140
6
Senary
2015124541
8
Octal
116706555
10
Decimal
20680045
12
Duodecimal
6b13751
16
Hexadecimal
13b8d6d
20
Vigesimal
695025
36
Base36
cb8tp
md5
ba9b9249cad6565a5a5d78d8451fbf38
sha1
4e3e2facfb8cfeb5843993d0ca13af4eb78080aa
sha256
a2773bad60f52baea21a6a63dad9fd4f2e99e4ee1019b5858e99f7b6de2c54a0
sha512
ab4dc30a1bd4f2c127f60da450d54bc77de937cd7748194d5703b067ff03a1aba13421c4c1a220383f2210f3c59022a3318a0d14ab3db3a5487830691715a154
ripemd-160
7ce12725179d2a0f2ba8e73fd67ea67f693389cf
Diameter
41360090
Circumference
129936554.89581
Area
1.3435469011952E+15
Volume
3.7046147168436E+22
Surface area
5.3741876047808E+15
Circumference
129936554.89581
Perimeter
82720180
Area
427664261202025
Diagonal
29246000.109486
Surface area
2565985567212150
Volume
8.8441161665496E+21
Space diagonal
35818888.642811
Perimeter
62040135
Area
1.8518405724583E+14
Altitude
17909444.321405
Surface area
1.8518405724583E+14
Volume
1.0422890858281E+21
Height
9748666.703162