20115890 is an even 8-digits composite number following 20115889
and preceding 20115891 . In scientific notation, it is written as 2.0115890 × 10^7.
The sum of its digits is 26. It has a total of 4 prime factors and 16 positive divisors.
There are 8023296 positive integers (up to 20115890) that are relatively prime to 20115890.
20115890 has 16 divisors, whose sum is 36312408
The reverse of 20115890 is 09851102
Previous prime number is 373
Is Prime? no
Number parity even
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred fifteen thousand eight hundred ninety
Scientific notation
2.0115890 × 10^7
Engineering notation
2.0115890 × 10^6
Prime Factorization
2 × 5 × 373 × 5393
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20115890
Product of the distinct prime numbers
The prime factorization of 20115890 is 2 × 5 × 373 × 5393.
Since it has a total of 4 prime factors.
8 , 1 , 25 , 2 , 974 , 991 , 4203 , 1799 , 79453 , 69224 , 629171 , 820703 , 5831216 , 9147110 , 71770144 , 1134948 , 672288921 , 894651744 , 4152500829 , 1559299769
n×2
40231780
n×3
60347670
n×4
80463560
n×5
100579450
n÷2
10057945
n÷3
6705296.6666667
n÷3
5028972.5
n÷5
4023178
n2
404649030492100
n3
8.1398753859857E+21
n4
1.637408378782E+29
n5
3.2937926832656E+36
2 √n
4485.0741353962
3 √n
271.96504200386
4 √n
66.970696094607
5 √n
28.887359780257
1 , 2 , 5 , 10 , 373 , 746 , 1865 , 3730 , 5393 , 10786 , 26965 , 53930 , 2011589 , 4023178 , 10057945 , 20115890
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
-20115889
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 20115890 can be divided by 16 positive divisors.
The sum of these divisors (counting 20115890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100101111000110110010
3
Ternary
1101211222210222
4
Quaternary
1030233012302
5
Quinary
20122202030
6
Senary
1555053042
8
Octal
114570662
10
Decimal
20115890
12
Duodecimal
68a1182
16
Hexadecimal
132f1b2
20
Vigesimal
65e9ea
36
Base36
bz5iq
md5
d171c41d5de65b0967f12bde5dc18fc8
sha1
47e03712ace53612e0cbbff9b09fa3591361b0b3
sha256
d1f6948174bd81583c99a978c6acd9c0e803575f3a577380d010470ab8783237
sha512
b7c4e2b09eccbef2e94eae853d63a3f306c49a888c1227243805708d8994d09a91a4c4a4376c64e94c1c0aef949225bbe9761c1ce3f9b8f9d3848270e1e42c2b
ripemd-160
b4c6a6ecc3a248343b27eb0d8d3c3dd8f125e19e
Diameter
40231780
Circumference
126391864.48884
Area
1.2712424214762E+15
Volume
3.4096230284999E+22
Surface area
5.0849696859049E+15
Circumference
126391864.48884
Perimeter
80463560
Area
404649030492100
Diagonal
28448164.457205
Surface area
2427894182952600
Volume
8.1398753859857E+21
Space diagonal
34841743.519467
Perimeter
60347670
Area
1.7521817001145E+14
Altitude
17420871.759733
Surface area
1.7521817001145E+14
Volume
9.5929351390733E+20
Height
9482721.4857351