20781374 is an even 8-digits composite number following 20781373
and preceding 20781375 . In scientific notation, it is written as 2.0781374 × 10^7.
The sum of its digits is 32. It has a total of 4 prime factors and 16 positive divisors.
There are 9817368 positive integers (up to 20781374) that are relatively prime to 20781374.
20781374 has 16 divisors, whose sum is 32925312
The reverse of 20781374 is 47318702
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million seven hundred eighty-one thousand three hundred seventy-four
Scientific notation
2.0781374 × 10^7
Engineering notation
2.0781374 × 10^6
Prime Factorization
2 × 23 × 83 × 5443
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20781374
Product of the distinct prime numbers
The prime factorization of 20781374 is 2 × 23 × 83 × 5443.
Since it has a total of 4 prime factors.
2 , 8 , 38 , 81 , 589 , 291 , 676 , 8295 , 3049 , 25213 , 767477 , 962352 , 2407825 , 4404285 , 12988882 , 89081248 , 561542849 , 570439829 , 4098296633 , 3673275321
n×2
41562748
n×3
62344122
n×4
83125496
n×5
103906870
n÷2
10390687
n÷3
6927124.6666667
n÷3
5195343.5
n÷5
4156274.8
n2
431865505327876
n3
8.9747585839176E+21
n4
1.865078146921E+29
n5
3.8758886510393E+36
2 √n
4558.6592327131
3 √n
274.93165905088
4 √n
67.517843809715
5 √n
29.076012820239
1 , 2 , 23 , 46 , 83 , 166 , 1909 , 3818 , 5443 , 10886 , 125189 , 250378 , 451769 , 903538 , 10390687 , 20781374
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
-20781373
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 20781374 can be divided by 16 positive divisors.
The sum of these divisors (counting 20781374) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001111010001100100111110
3
Ternary
1110002210200112
4
Quaternary
1033101210332
5
Quinary
20310000444
6
Senary
2021230022
8
Octal
117214476
10
Decimal
20781374
12
Duodecimal
6b62312
16
Hexadecimal
13d193e
20
Vigesimal
69hd8e
36
Base36
cdf0e
md5
a9e02439bbeb1a29e5c67cde60ddfa67
sha1
9f57a1005ffe24017d323af453ef9594aa1bff3c
sha256
219d3561413cb42540ae0117e5c0e5936c97fba8228babd003db3caac8ebbebd
sha512
ebe08b94311c2ffe14d989f9f3a430a11f6a5627e73e72209ded687dab78f43295514018048ecf2f91a96b7f36f9ed078675ce76b750122fe4851297f9d29e1b
ripemd-160
54daf63c6d569485efe61c30e264677831890a80
Diameter
41562748
Circumference
130573223.7798
Area
1.3567454988769E+15
Volume
3.7593380846637E+22
Surface area
5.4269819955076E+15
Circumference
130573223.7798
Perimeter
83125496
Area
431865505327876
Diagonal
29389300.955548
Surface area
2591193031967256
Volume
8.9747585839176E+21
Space diagonal
35994395.619091
Perimeter
62344122
Area
1.8700324931607E+14
Altitude
17997197.809545
Surface area
1.8700324931607E+14
Volume
1.0576854423667E+21
Height
9796433.6518492