20181827 is an odd 8-digits composite number following 20181826
and preceding 20181828 . In scientific notation, it is written as 2.0181827 × 10^7.
The sum of its digits is 29. It has a total of 2 prime factors and 4 positive divisors.
There are 20036496 positive integers (up to 20181827) that are relatively prime to 20181827.
20181827 has 4 divisors, whose sum is 20327160
The reverse of 20181827 is 72818102
Previous prime number is 139
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty million one hundred eighty-one thousand eight hundred twenty-seven
Scientific notation
2.0181827 × 10^7
Engineering notation
2.0181827 × 10^6
Prime Factorization
139 × 145193
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20181827
Product of the distinct prime numbers
The prime factorization of 20181827 is 139 × 145193.
Since it has a total of 2 prime factors.
5 , 5 , 75 , 53 , 705 , 599 , 622 , 827 , 91287 , 31436 , 355862 , 547239 , 4838952 , 6746693 , 5317805 , 63159037 , 239545512 , 71928288 , 1008101419 , 2237271560
n×2
40363654
n×3
60545481
n×4
80727308
n×5
100909135
n÷2
10090913.5
n÷3
6727275.6666667
n÷3
5045456.75
n÷5
4036365.4
n2
407306141057929
n3
8.2201820748687E+21
n4
1.658982925435E+29
n5
3.3481306397083E+36
2 √n
4492.4188362173
3 √n
272.26187204097
4 √n
67.025508847134
5 √n
28.906272722701
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20181826
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20181827 can be divided by 4 positive divisors.
The sum of these divisors (counting 20181827) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001100111111001101000011
3
Ternary
1101222100021002
4
Quaternary
1030333031003
5
Quinary
20131304302
6
Senary
2000322215
8
Octal
114771503
10
Decimal
20181827
12
Duodecimal
691336b
16
Hexadecimal
133f343
20
Vigesimal
662eb7
36
Base36
c0keb
md5
de2c7a09be707862a2c58896c3c9aebf
sha1
69391bc4cb2a40af856ca437e3ffe160ba72a17e
sha256
a3ce350a66819fef9c2486290be365e44082d196011b05c8f6dc863622c1cc7c
sha512
0a65ac02dce9e14bc0665df7fdb6807de19ef9b82c45dd828db598dc323cdde6d772e098ee195e8cca6dbbdabf4fe0c0a73b24307c6148e3bbe33bd181185455
ripemd-160
5190e2ca19912bcd158a9cb6762a68a7a5709f50
Diameter
40363654
Circumference
126806158.87844
Area
1.2795899805096E+15
Volume
3.4432618156771E+22
Surface area
5.1183599220384E+15
Circumference
126806158.87844
Perimeter
80727308
Area
407306141057929
Diagonal
28541413.456868
Surface area
2443836846347574
Volume
8.2201820748687E+21
Space diagonal
34955949.753565
Perimeter
60545481
Area
1.7636873263679E+14
Altitude
17477974.876783
Surface area
1.7636873263679E+14
Volume
9.6875774795463E+20
Height
9513804.4856225