20029891 is an odd 8-digits composite number following 20029890
and preceding 20029892 . In scientific notation, it is written as 2.0029891 × 10^7.
The sum of its digits is 31. It has a total of 3 prime factors and 8 positive divisors.
There are 17106120 positive integers (up to 20029891) that are relatively prime to 20029891.
20029891 has 8 divisors, whose sum is 22974464
The reverse of 20029891 is 19892002
Previous prime number is 283
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty million twenty-nine thousand eight hundred ninety-one
Scientific notation
2.0029891 × 10^7
Engineering notation
2.0029891 × 10^6
Prime Factorization
7 × 283 × 10111
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20029891
Product of the distinct prime numbers
The prime factorization of 20029891 is 7 × 283 × 10111.
Since it has a total of 3 prime factors.
4 , 9 , 91 , 93 , 619 , 998 , 1822 , 9631 , 6898 , 91522 , 922290 , 595083 , 3781573 , 500796 , 11861362 , 96312308 , 431883227 , 572307883 , 272125037 , 1323766985
n×2
40059782
n×3
60089673
n×4
80119564
n×5
100149455
n÷2
10014945.5
n÷3
6676630.3333333
n÷3
5007472.75
n÷5
4005978.2
n2
401196533471881
n3
8.0359228350196E+21
n4
1.6095865846985E+29
n5
3.2239843846574E+36
2 √n
4475.4766226627
3 √n
271.57692210878
4 √n
66.899003151487
5 √n
28.862617715293
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20029890
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20029891 can be divided by 8 positive divisors.
The sum of these divisors (counting 20029891) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100011010000111000011
3
Ternary
1101200121211211
4
Quaternary
1030122013003
5
Quinary
20111424031
6
Senary
1553150551
8
Octal
114320703
10
Decimal
20029891
12
Duodecimal
685b457
16
Hexadecimal
131a1c3
20
Vigesimal
653eeb
36
Base36
bxb5v
md5
9d60f6ef07cbd3151ab9a3785fef69a1
sha1
245fd510ed130c80dc850b800b828f02f8a419b2
sha256
62babf28c55cbb2ee0e24ee9fc23a2ad51f4a42716a1896cdba99962df2a51e2
sha512
3b5a157d3dc281ad04fa783e455a0ec62d5743819a33c3f4d894fbf878fd3ceeb35bc1942490c2bd0ffd66c23092487cb5bff5264412ba7667e4bd3b8cc12643
ripemd-160
635efe050b631b7d3cf8f59ebe24fd7f1fc8a382
Diameter
40059782
Circumference
125851516.83561
Area
1.260396082201E+15
Volume
3.3660794857749E+22
Surface area
5.0415843288038E+15
Circumference
125851516.83561
Perimeter
80119564
Area
401196533471881
Diagonal
28326543.505055
Surface area
2407179200831286
Volume
8.0359228350196E+21
Space diagonal
34692788.882067
Perimeter
60089673
Area
1.7372319494845E+14
Altitude
17346394.441033
Surface area
1.7372319494845E+14
Volume
9.4704258828903E+20
Height
9442181.1683516