20185894 is an even 8-digits composite number following 20185893
and preceding 20185895 . In scientific notation, it is written as 2.0185894 × 10^7.
The sum of its digits is 37. It has a total of 4 prime factors and 16 positive divisors.
There are 9833472 positive integers (up to 20185894) that are relatively prime to 20185894.
20185894 has 16 divisors, whose sum is 31067568
The reverse of 20185894 is 49858102
Previous prime number is 97
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred eighty-five thousand eight hundred ninety-four
Scientific notation
2.0185894 × 10^7
Engineering notation
2.0185894 × 10^6
Prime Factorization
2 × 67 × 97 × 1553
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20185894
Product of the distinct prime numbers
The prime factorization of 20185894 is 2 × 67 × 97 × 1553.
Since it has a total of 4 prime factors.
6 , 5 , 67 , 20 , 972 , 421 , 6700 , 3461 , 47610 , 49150 , 339604 , 662160 , 2559740 , 4748243 , 30165080 , 27539388 , 883373676 , 148802087 , 1696402582 , 8990437522
n×2
40371788
n×3
60557682
n×4
80743576
n×5
100929470
n÷2
10092947
n÷3
6728631.3333333
n÷3
5046473.5
n÷5
4037178.8
n2
407470316579236
n3
8.2251526186149E+21
n4
1.6603205889318E+29
n5
3.3515055414195E+36
2 √n
4492.8714648875
3 √n
272.28015936224
4 √n
67.028885302439
5 √n
28.907437655251
1 , 2 , 67 , 97 , 134 , 194 , 1553 , 3106 , 6499 , 12998 , 104051 , 150641 , 208102 , 301282 , 10092947 , 20185894
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
-20185893
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 20185894 can be divided by 16 positive divisors.
The sum of these divisors (counting 20185894) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101000000001100100110
3
Ternary
1101222112211201
4
Quaternary
1031000030212
5
Quinary
20131422034
6
Senary
2000353114
8
Octal
115001446
10
Decimal
20185894
12
Duodecimal
691579a
16
Hexadecimal
1340326
20
Vigesimal
6634ee
36
Base36
c0nja
md5
10cd0cf84da9ea1086f87ddd9fcf766c
sha1
0ca016898c06c74de498bbe9b18ee99b3ff99240
sha256
3804b853a1bd6eee7eeb725fd1c094aed2cc3f4b12a8d858a1112840462bc1e1
sha512
04b8b0c6aa104e555ed4d808403b9213ea38bde3936497014edcf25403910bffa04c8a4aa2e8da55efc09c195748e487f6cbd099281327c997c48642160caed3
ripemd-160
2e7d1669c292dc72adb748ee9ce0bead94ca2833
Diameter
40371788
Circumference
126831712.59308
Area
1.2801057531212E+15
Volume
3.4453438721727E+22
Surface area
5.1204230124849E+15
Circumference
126831712.59308
Perimeter
80743576
Area
407470316579236
Diagonal
28547165.063426
Surface area
2444821899475416
Volume
8.2251526186149E+21
Space diagonal
34962994.0042
Perimeter
60557682
Area
1.7643982272285E+14
Altitude
17481497.0021
Surface area
1.7643982272285E+14
Volume
9.6934353215281E+20
Height
9515721.6878086