20087894 is an even 8-digits composite number following 20087893
and preceding 20087895 . In scientific notation, it is written as 2.0087894 × 10^7.
The sum of its digits is 38. It has a total of 4 prime factors and 16 positive divisors.
There are 9489984 positive integers (up to 20087894) that are relatively prime to 20087894.
20087894 has 16 divisors, whose sum is 31838400
The reverse of 20087894 is 49878002
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 38
Digital Root 2
Name
twenty million eighty-seven thousand eight hundred ninety-four
Scientific notation
2.0087894 × 10^7
Engineering notation
2.0087894 × 10^6
Prime Factorization
2 × 47 × 29 × 7369
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20087894
Product of the distinct prime numbers
The prime factorization of 20087894 is 2 × 47 × 29 × 7369.
Since it has a total of 4 prime factors.
1 , 8 , 67 , 32 , 441 , 120 , 925 , 1361 , 78701 , 95625 , 785290 , 594786 , 2705563 , 1945152 , 48647347 , 69981692 , 290133551 , 677998324 , 4367238212 , 972011922
n×2
40175788
n×3
60263682
n×4
80351576
n×5
100439470
n÷2
10043947
n÷3
6695964.6666667
n÷3
5021973.5
n÷5
4017578.8
n2
403523485355236
n3
8.1059370003265E+21
n4
1.6283120323324E+29
n5
3.2709359504417E+36
2 √n
4481.9520300869
3 √n
271.83881561859
4 √n
66.947382548438
5 √n
28.879314586966
1 , 2 , 29 , 47 , 58 , 94 , 1363 , 2726 , 7369 , 14738 , 213701 , 346343 , 427402 , 692686 , 10043947 , 20087894
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
-20087893
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 20087894 can be divided by 16 positive divisors.
The sum of these divisors (counting 20087894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101000010001010110
3
Ternary
1101210120102002
4
Quaternary
1030220101112
5
Quinary
20120303034
6
Senary
1554315302
8
Octal
114502126
10
Decimal
20087894
12
Duodecimal
6888b32
16
Hexadecimal
1328456
20
Vigesimal
65ajee
36
Base36
byjx2
md5
38c5656c702357a5df9f7cd7625f0017
sha1
4d9c17798d19a948723d4671f83585d2cee1074c
sha256
efde77fd2842b25cca0b3bed88ee608cd4fae8adb86f6f643459d5629830d27f
sha512
264d80bd6a69bb6e087d3b86e0343c1a5d6007d7a7197e2a2aa112087c74d53c37b559ed240c7a80ca20563c8477dc5f543182a4c595df9a771570c815449bad
ripemd-160
d788e25741f0c521acdea01edd6b4c893c631b0e
Diameter
40175788
Circumference
126215960.43298
Area
1.267706417143E+15
Volume
3.3954069507583E+22
Surface area
5.0708256685718E+15
Circumference
126215960.43298
Perimeter
80351576
Area
403523485355236
Diagonal
28408572.134313
Surface area
2421140912131416
Volume
8.1059370003265E+21
Space diagonal
34793253.025058
Perimeter
60263682
Area
1.7473079467064E+14
Altitude
17396626.512529
Surface area
1.7473079467064E+14
Volume
9.5529383680031E+20
Height
9469524.044771