20081278 is an even 8-digits composite number following 20081277
and preceding 20081279 . In scientific notation, it is written as 2.0081278 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 8467200 positive integers (up to 20081278) that are relatively prime to 20081278.
20081278 has 32 divisors, whose sum is 35697600
The reverse of 20081278 is 87218002
Previous prime number is 73
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty million eighty-one thousand two hundred seventy-eight
Scientific notation
2.0081278 × 10^7
Engineering notation
2.0081278 × 10^6
Prime Factorization
2 × 49 × 7 × 73 × 401
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20081278
Product of the distinct prime numbers
The prime factorization of 20081278 is 2 × 49 × 7 × 73 × 401.
Since it has a total of 5 prime factors.
6 , 4 , 55 , 75 , 55 , 538 , 6522 , 7621 , 3612 , 53287 , 279677 , 609762 , 324341 , 7433918 , 83057371 , 90935062 , 255222747 , 937340169 , 2325776290 , 1346237553
n×2
40162556
n×3
60243834
n×4
80325112
n×5
100406390
n÷2
10040639
n÷3
6693759.3333333
n÷3
5020319.5
n÷5
4016255.6
n2
403257726113284
n3
8.0979305037287E+21
n4
1.6261679367006E+29
n5
3.265553041157E+36
2 √n
4481.2138980415
3 √n
271.80896873526
4 √n
66.941869543967
5 √n
28.877412040871
1 , 2 , 7 , 14 , 49 , 73 , 98 , 146 , 343 , 401 , 511 , 686 , 802 , 1022 , 2807 , 3577 , 5614 , 7154 , 19649 , 25039 , 29273 , 39298 , 50078 , 58546 , 137543 , 204911 , 275086 , 409822 , 1434377 , 2868754 , 10040639 , 20081278
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20081277
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20081278 can be divided by 32 positive divisors.
The sum of these divisors (counting 20081278) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100100110101001111110
3
Ternary
1101210020100001
4
Quaternary
1030212221332
5
Quinary
20120100103
6
Senary
1554224514
8
Octal
114465176
10
Decimal
20081278
12
Duodecimal
688513a
16
Hexadecimal
1326a7e
20
Vigesimal
65a33i
36
Base36
byeta
md5
67fc8f1cc27f35f58da99c2f5a4e7d32
sha1
2582f74d4f521f5adab7568c2475602c230bb12c
sha256
1ebba218fafe20fee0bfaafb686b4675bf2fabd2b20995e24b2a1c7157fdf8e0
sha512
9b9146b2ad4d983fba3c59e32ef1eb8c5e7fd5fd040d11087b802434ce586b5b200b6755b6346ad2719024bebafaa726344315c958b16d383ae9249743acdf67
ripemd-160
4d69aea183c5eb9c5c9709164aae34963525bf03
Diameter
40162556
Circumference
126174390.87899
Area
1.2668715098608E+15
Volume
3.392053197306E+22
Surface area
5.0674860394433E+15
Circumference
126174390.87899
Perimeter
80325112
Area
403257726113284
Diagonal
28399215.697384
Surface area
2419546356679704
Volume
8.0979305037287E+21
Space diagonal
34781793.776915
Perimeter
60243834
Area
1.7461571754323E+14
Altitude
17390896.888458
Surface area
1.7461571754323E+14
Volume
9.5435026212733E+20
Height
9466405.2324615