20149891 is an odd 8-digits prime number following 20149890
and preceding 20149892 . In scientific notation, it is written as 2.0149891 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 20149890 positive integers (up to 20149891) that are relatively prime to 20149891.
20149891 has 2 divisors, whose sum is 20149892
The reverse of 20149891 is 19894102
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million one hundred forty-nine thousand eight hundred ninety-one
Scientific notation
2.0149891 × 10^7
Engineering notation
2.0149891 × 10^6
Prime Factorization
20149891
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20149891
Product of the distinct prime numbers
The prime factorization of 20149891 is 20149891.
Since it has a total of 1 prime factors.
7 , 9 , 36 , 10 , 791 , 583 , 2918 , 1386 , 11631 , 89991 , 413113 , 149977 , 3384773 , 9342773 , 26549238 , 17428649 , 324880062 , 72668501 , 326093792 , 5054933645
n×2
40299782
n×3
60449673
n×4
80599564
n×5
100749455
n÷2
10074945.5
n÷3
6716630.3333333
n÷3
5037472.75
n÷5
4029978.2
n2
406018107311881
n3
8.1812206063607E+21
n4
1.6485070346512E+29
n5
3.3217237060955E+36
2 √n
4488.86299635
3 √n
272.11818591648
4 √n
66.9989775769
5 √n
28.897118590088
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20149892
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10074946
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4488.8631077367
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999007439
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20149891 can be divided by 2 positive divisors.
The sum of these divisors (counting 20149891) is 20149892, the average is 10074946.
Base
System
Value
2
Binary
1001100110111011010000011
3
Ternary
1101220201110021
4
Quaternary
1030313122003
5
Quinary
20124244031
6
Senary
1555514311
8
Octal
114673203
10
Decimal
20149891
12
Duodecimal
68b8997
16
Hexadecimal
1337683
20
Vigesimal
65ieeb
36
Base36
bzvr7
md5
2e0d16c9f3dd33b6f2b85d40c8c28491
sha1
b42b72030ef3274a126b9d08104c0a3204c966d9
sha256
622448e773c4a0c7e021d91574c53e80b668e2813fd41300be738ba5c9388bc8
sha512
79562e3045769d2df85cf5da82cf808b08a6e57d0d4c515422d955b4ffab0867bbb47ebbd1cfc6da63fe0b046a43d9cd543d951af7b36fbff7fad252b21ca8c5
ripemd-160
0cdd63f6a2de41d26b9b768b25a2c25ab5326e14
Diameter
40299782
Circumference
126605499.07247
Area
1.2755435031554E+15
Volume
3.426941673912E+22
Surface area
5.1021740126218E+15
Circumference
126605499.07247
Perimeter
80599564
Area
406018107311881
Diagonal
28496249.13254
Surface area
2436108643871286
Volume
8.1812206063607E+21
Space diagonal
34900634.978975
Perimeter
60449673
Area
1.7581099766428E+14
Altitude
17450317.489487
Surface area
1.7581099766428E+14
Volume
9.641660948568E+20
Height
9498749.7108465