20115720 is an even 8-digits composite number following 20115719
and preceding 20115721 . In scientific notation, it is written as 2.0115720 × 10^7.
The sum of its digits is 18. It has a total of 6 prime factors and 32 positive divisors.
There are 5281920 positive integers (up to 20115720) that are relatively prime to 20115720.
20115720 has 32 divisors, whose sum is 45388800
The reverse of 20115720 is 02751102
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty million one hundred fifteen thousand seven hundred twenty
Scientific notation
2.0115720 × 10^7
Engineering notation
2.0115720 × 10^6
Prime Factorization
2 × 2 × 2 × 639 × 5 × 787
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
5028930
Product of the distinct prime numbers
The prime factorization of 20115720 is 2 × 2 × 2 × 639 × 5 × 787.
Since it has a total of 6 prime factors.
10 , 1 , 51 , 83 , 907 , 167 , 8247 , 5798 , 69004 , 15959 , 504069 , 368642 , 1779063 , 9166300 , 2581720 , 17206460 , 188538090 , 652191733 , 6241010832 , 9012937645
n×2
40231440
n×3
60347160
n×4
80462880
n×5
100578600
n÷2
10057860
n÷3
6705240
n÷3
5028930
n÷5
4023144
n2
404642191118400
n3
8.1396690167242E+21
n4
1.637353028331E+29
n5
3.2936535059058E+36
2 √n
4485.055183607
3 √n
271.96427587341
4 √n
66.97055460131
5 √n
28.8873109545
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 639 , 787 , 1278 , 1574 , 2556 , 3148 , 3195 , 3935 , 5112 , 6296 , 6390 , 7870 , 12780 , 15740 , 25560 , 31480 , 502893 , 1005786 , 2011572 , 2514465 , 4023144 , 5028930 , 10057860 , 20115720
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20115719
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20115720 can be divided by 32 positive divisors.
The sum of these divisors (counting 20115720) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1001100101111000100001000
3
Ternary
1101211222120200
4
Quaternary
1030233010020
5
Quinary
20122200340
6
Senary
1555052200
8
Octal
114570410
10
Decimal
20115720
12
Duodecimal
68a1060
16
Hexadecimal
132f108
20
Vigesimal
65e960
36
Base36
bz5e0
md5
029c35070d4c9b074acea6046a0085ae
sha1
4171138cbb13a1dbc12c9f1ea76441218f7d389c
sha256
65acb7936e5a508403b3fadc8fb7b29171bedb2fd89f434bded342ff1e2e8cff
sha512
3769f72f2cf715996aeb50115b4802f8bdbe4002685e70bf717c19bfef6b4890e1b4f907cffb1f02041276f3dff48e4373fb8a12752fae19194c6fbed9221b74
ripemd-160
4982f99b02a77fe4df22c7bb4f51613fbd6e3243
Diameter
40231440
Circumference
126390796.34734
Area
1.27122093495E+15
Volume
3.4095365847458E+22
Surface area
5.0848837398002E+15
Circumference
126390796.34734
Perimeter
80462880
Area
404642191118400
Diagonal
28447924.0409
Surface area
2427853146710400
Volume
8.1396690167242E+21
Space diagonal
34841449.070829
Perimeter
60347160
Area
1.7521520847577E+14
Altitude
17420724.535415
Surface area
1.7521520847577E+14
Volume
9.5926919305662E+20
Height
9482641.3469666