20155081 is an odd 8-digits composite number following 20155080
and preceding 20155082 . In scientific notation, it is written as 2.0155081 × 10^7.
The sum of its digits is 22. It has a total of 4 prime factors and 16 positive divisors.
There are 18413568 positive integers (up to 20155081) that are relatively prime to 20155081.
20155081 has 16 divisors, whose sum is 21978000
The reverse of 20155081 is 18055102
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 22
Digital Root 4
Name
twenty million one hundred fifty-five thousand eighty-one
Scientific notation
2.0155081 × 10^7
Engineering notation
2.0155081 × 10^6
Prime Factorization
17 × 73 × 149 × 109
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20155081
Product of the distinct prime numbers
The prime factorization of 20155081 is 17 × 73 × 149 × 109.
Since it has a total of 4 prime factors.
3 , 8 , 18 , 22 , 423 , 219 , 3710 , 6130 , 64384 , 63742 , 972850 , 934020 , 6483540 , 2484852 , 52299463 , 98572762 , 149686152 , 241974362 , 7588721274 , 765063572
n×2
40310162
n×3
60465243
n×4
80620324
n×5
100775405
n÷2
10077540.5
n÷3
6718360.3333333
n÷3
5038770.25
n÷5
4031016.2
n2
406227290116561
n3
8.1875439367098E+21
n4
1.6502061123544E+29
n5
3.3260037861199E+36
2 √n
4489.4410565236
3 √n
272.14154703785
4 √n
67.003291385749
5 √n
28.898607040781
1 , 17 , 73 , 109 , 149 , 1241 , 1853 , 2533 , 7957 , 10877 , 16241 , 135269 , 184909 , 276097 , 1185593 , 20155081
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
-20155080
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 20155081 can be divided by 16 positive divisors.
The sum of these divisors (counting 20155081) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111000101011001001
3
Ternary
1101220222120111
4
Quaternary
1030320223021
5
Quinary
20124430311
6
Senary
1555554321
8
Octal
114705311
10
Decimal
20155081
12
Duodecimal
68bb9a1
16
Hexadecimal
1338ac9
20
Vigesimal
65j7e1
36
Base36
bzzrd
md5
66156d13831fe884260e12bdc90b4f9d
sha1
8968344549254bf4d88db1c683b72cfafcf10a9d
sha256
d40c842e7ad3d6819869b050c1512516a6581c62e3e1889936ddd438f2314463
sha512
f88237d4764b4bd3c9c91ec67a79605aa72636496323ace721a0ed5e66123054ed6fa3bc90331943a8a67072ed11c171f1a68f0dd193b32a8e5c6b3b652987e7
ripemd-160
535db01c0f475f37e0626c119f87a00aaf1183b5
Diameter
40310162
Circumference
126638108.80421
Area
1.2762006703179E+15
Volume
3.4295903843348E+22
Surface area
5.1048026812715E+15
Circumference
126638108.80421
Perimeter
80620324
Area
406227290116561
Diagonal
28503588.900928
Surface area
2437363740699366
Volume
8.1875439367098E+21
Space diagonal
34909624.322666
Perimeter
60465243
Area
1.7590157647573E+14
Altitude
17454812.161333
Surface area
1.7590157647573E+14
Volume
9.6491130648505E+20
Height
9501196.3003094