20791894 is an even 8-digits composite number following 20791893
and preceding 20791895 . In scientific notation, it is written as 2.0791894 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 10395946 positive integers (up to 20791894) that are relatively prime to 20791894.
20791894 has 4 divisors, whose sum is 31187844
The reverse of 20791894 is 49819702
Previous prime number is 2
Is Prime? no
Number parity even
Number length 8
Sum of Digits 40
Digital Root 4
Name
twenty million seven hundred ninety-one thousand eight hundred ninety-four
Scientific notation
2.0791894 × 10^7
Engineering notation
2.0791894 × 10^6
Prime Factorization
2 × 10395947
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20791894
Product of the distinct prime numbers
The prime factorization of 20791894 is 2 × 10395947.
Since it has a total of 2 prime factors.
2 , 10 , 21 , 19 , 184 , 793 , 6658 , 3123 , 18392 , 49631 , 985531 , 261668 , 4564079 , 9266155 , 99645958 , 72334554 , 414849110 , 813852676 , 8720525620 , 8853402882
n×2
41583788
n×3
62375682
n×4
83167576
n×5
103959470
n÷2
10395947
n÷3
6930631.3333333
n÷3
5197973.5
n÷5
4158378.8
n2
432302856107236
n3
8.9883951600789E+21
n4
1.8688575939847E+29
n5
3.8857088995226E+36
2 √n
4559.8129347595
3 √n
274.97804342605
4 √n
67.526386951765
5 √n
29.078956010967
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20791893
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20791894 can be divided by 4 positive divisors.
The sum of these divisors (counting 20791894) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001111010100001001010110
3
Ternary
1110010100010011
4
Quaternary
1033110021112
5
Quinary
20310320034
6
Senary
2021350434
8
Octal
117241126
10
Decimal
20791894
12
Duodecimal
6b6841a
16
Hexadecimal
13d4256
20
Vigesimal
69ijee
36
Base36
cdn4m
md5
9b18f0deec3e4157895bc2b12168adca
sha1
2f56144992587472656f909fdd1edb45e844cfff
sha256
136dae60c5f84d775e8d183671a1058c3c351e87e922019beb92321c3fa97c12
sha512
5f131a5acab14e6cdc44a7b759ef87d89cbbaef237143287130e91e3bbfa2c2f17bec022b6aab1160ecd72c2c2df94c538594ce6cb0fc3132e7b7303cc98736c
ripemd-160
3b2a08f8ea8dd0c28dbd9d334bc8e4b8e8f99b29
Diameter
41583788
Circumference
130639322.88924
Area
1.3581194768724E+15
Volume
3.7650501603288E+22
Surface area
5.4324779074895E+15
Circumference
130639322.88924
Perimeter
83167576
Area
432302856107236
Diagonal
29404178.482224
Surface area
2593817136643416
Volume
8.9883951600789E+21
Space diagonal
36012616.793586
Perimeter
62375682
Area
1.8719262775872E+14
Altitude
18006308.396793
Surface area
1.8719262775872E+14
Volume
1.0592925282794E+21
Height
9801392.8274079