20781002 is an even 8-digits composite number following 20781001
and preceding 20781003 . In scientific notation, it is written as 2.0781002 × 10^7.
The sum of its digits is 20. It has a total of 3 prime factors and 8 positive divisors.
There are 9445900 positive integers (up to 20781002) that are relatively prime to 20781002.
20781002 has 8 divisors, whose sum is 34005312
The reverse of 20781002 is 20018702
Previous prime number is 11
Is Prime? no
Number parity even
Number length 8
Sum of Digits 20
Digital Root 2
Name
twenty million seven hundred eighty-one thousand two
Scientific notation
2.0781002 × 10^7
Engineering notation
2.0781002 × 10^6
Prime Factorization
2 × 11 × 944591
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20781002
Product of the distinct prime numbers
The prime factorization of 20781002 is 2 × 11 × 944591.
Since it has a total of 3 prime factors.
9 , 3 , 80 , 6 , 442 , 238 , 2342 , 8499 , 71696 , 93433 , 563588 , 975104 , 2822704 , 617942 , 17721979 , 38534912 , 965851937 , 650453254 , 2813912807 , 8645193474
n×2
41562004
n×3
62343006
n×4
83124008
n×5
103905010
n÷2
10390501
n÷3
6927000.6666667
n÷3
5195250.5
n÷5
4156200.4
n2
431850044124004
n3
8.974276630641E+21
n4
1.864944606099E+29
n5
3.8755417589233E+36
2 √n
4558.61843106
3 √n
274.93001855641
4 √n
67.517541654447
5 √n
29.075908723617
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20781001
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20781002 can be divided by 8 positive divisors.
The sum of these divisors (counting 20781002) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001111010001011111001010
3
Ternary
1110002210011202
4
Quaternary
1033101133022
5
Quinary
20304443002
6
Senary
2021224202
8
Octal
117213712
10
Decimal
20781002
12
Duodecimal
6b62062
16
Hexadecimal
13d17ca
20
Vigesimal
69hca2
36
Base36
cdeq2
md5
9bc7af99cfe701b77dbc8acfdd6a0d5b
sha1
7f8c095a7703645cbed040fbff60f731e4312569
sha256
28acfd048d27c309970fede26531e465a9657391f405480375e0546078dc2dc2
sha512
fdb659b2bb946d90e5920213523eea53a992d5528f5bfdb5d1b899e5d70bbd7a1ec7ecb60b35337251f2fd19f2e3ffd71fcdc64aa57f67da224feb8518be9364
ripemd-160
755541d3f50582c64d74e946a6071dc295ac2236
Diameter
41562004
Circumference
130570886.43487
Area
1.3566969260724E+15
Volume
3.7591362045472E+22
Surface area
5.4267877042896E+15
Circumference
130570886.43487
Perimeter
83124008
Area
431850044124004
Diagonal
29388774.868102
Surface area
2591100264744024
Volume
8.974276630641E+21
Space diagonal
35993751.29619
Perimeter
62343006
Area
1.8699655441841E+14
Altitude
17996875.648095
Surface area
1.8699655441841E+14
Volume
1.0576286436284E+21
Height
9796258.2893675