20787078 is an even 8-digits composite number following 20787077
and preceding 20787079 . In scientific notation, it is written as 2.0787078 × 10^7.
The sum of its digits is 39. It has a total of 5 prime factors and 32 positive divisors.
There are 6117408 positive integers (up to 20787078) that are relatively prime to 20787078.
20787078 has 32 divisors, whose sum is 46722816
The reverse of 20787078 is 87078702
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty million seven hundred eighty-seven thousand seventy-eight
Scientific notation
2.0787078 × 10^7
Engineering notation
2.0787078 × 10^6
Prime Factorization
2 × 13 × 23 × 3 × 11587
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
20787078
Product of the distinct prime numbers
The prime factorization of 20787078 is 2 × 13 × 23 × 3 × 11587.
Since it has a total of 5 prime factors.
4 , 4 , 16 , 56 , 234 , 308 , 4104 , 638 , 78619 , 23271 , 556388 , 572571 , 5705367 , 3068023 , 84455451 , 25146907 , 272388235 , 251914271 , 6058506060 , 4250739190
n×2
41574156
n×3
62361234
n×4
83148312
n×5
103935390
n÷2
10393539
n÷3
6929026
n÷3
5196769.5
n÷5
4157415.6
n2
432102611778084
n3
8.9821506950348E+21
n4
1.8671266710544E+29
n5
3.8812107747088E+36
2 √n
4559.2848123363
3 √n
274.95681084829
4 √n
67.522476349259
5 √n
29.077608781809
1 , 2 , 3 , 6 , 13 , 23 , 26 , 39 , 46 , 69 , 78 , 138 , 299 , 598 , 897 , 1794 , 11587 , 23174 , 34761 , 69522 , 150631 , 266501 , 301262 , 451893 , 533002 , 799503 , 903786 , 1599006 , 3464513 , 6929026 , 10393539 , 20787078
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
-20787077
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 20787078 can be divided by 32 positive divisors.
The sum of these divisors (counting 20787078) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001111010010111110000110
3
Ternary
1110010002111210
4
Quaternary
1033102332012
5
Quinary
20310141303
6
Senary
2021312250
8
Octal
117227606
10
Decimal
20787078
12
Duodecimal
6b65686
16
Hexadecimal
13d2f86
20
Vigesimal
69i7di
36
Base36
cdjeu
md5
ab7060f514129cff9d6a9ecc39f661d0
sha1
db1b5eeb960dd21f5f987cf61e0322f5e9d78cec
sha256
8383cb8f5481396a3bd5a469464ae288474bcf35be25253495378428e97e171d
sha512
627227e2d1c405b99bb36804fcbd86be13e17e3879cc0181a7f6ecb0b601c74fc8e1d2d1563f2b733ab39f8fc54b13dc6e221aeab2c098910390836365d14fa8
ripemd-160
9c09a628e41ad6f5cb855172d05c3f153d97f3ff
Diameter
41574156
Circumference
130609063.0688
Area
1.357490390759E+15
Volume
3.7624344849277E+22
Surface area
5.429961563036E+15
Circumference
130609063.0688
Perimeter
83148312
Area
432102611778084
Diagonal
29397367.629707
Surface area
2592615670668504
Volume
8.9821506950348E+21
Space diagonal
36004275.236897
Perimeter
62361234
Area
1.8710591942071E+14
Altitude
18002137.618449
Surface area
1.8710591942071E+14
Volume
1.0585566110164E+21
Height
9799122.5432358