20155085 is an odd 8-digits composite number following 20155084
and preceding 20155086 . In scientific notation, it is written as 2.0155085 × 10^7.
The sum of its digits is 26. It has a total of 3 prime factors and 8 positive divisors.
There are 16099840 positive integers (up to 20155085) that are relatively prime to 20155085.
20155085 has 8 divisors, whose sum is 24222456
The reverse of 20155085 is 58055102
Previous prime number is 761
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty million one hundred fifty-five thousand eighty-five
Scientific notation
2.0155085 × 10^7
Engineering notation
2.0155085 × 10^6
Prime Factorization
5 × 761 × 5297
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20155085
Product of the distinct prime numbers
The prime factorization of 20155085 is 5 × 761 × 5297.
Since it has a total of 3 prime factors.
5 , 7 , 52 , 2 , 428 , 703 , 5566 , 7344 , 67725 , 96588 , 972810 , 894370 , 8766733 , 8531682 , 21417535 , 34461128 , 557629011 , 402762932 , 4896349825 , 569175241
n×2
40310170
n×3
60465255
n×4
80620340
n×5
100775425
n÷2
10077542.5
n÷3
6718361.6666667
n÷3
5038771.25
n÷5
4031017
n2
406227451357225
n3
8.1875488114382E+21
n4
1.6502074223619E+29
n5
3.3260070865334E+36
2 √n
4489.4415020134
3 √n
272.14156504102
4 √n
67.003294710136
5 √n
28.898608187831
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
-20155084
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 20155085 can be divided by 8 positive divisors.
The sum of these divisors (counting 20155085) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100111000101011001101
3
Ternary
1101220222120122
4
Quaternary
1030320223031
5
Quinary
20124430320
6
Senary
1555554325
8
Octal
114705315
10
Decimal
20155085
12
Duodecimal
68bb9a5
16
Hexadecimal
1338acd
20
Vigesimal
65j7e5
36
Base36
bzzrh
md5
7bdd7624fcbca613b3accb105fb69209
sha1
c291f74c10d32cf7f5087ce565d0f5508dbfa409
sha256
9afb6aec9fa190dbb0ce23e29f75ac523d280a04d5eca3c30384b70686ab947b
sha512
28391906d39c64eff68f41ab5f4d43bc7ca52aa394d01af954dcbc56ba8be9976c9bf9e14a70e7626a9a945b6ca584f27b1f47acdbf5286b47b17983349567e4
ripemd-160
aad428bffd78ea752f9d0af47c3a85d45c33f873
Diameter
40310170
Circumference
126638133.93696
Area
1.2762011768704E+15
Volume
3.4295924262563E+22
Surface area
5.1048047074815E+15
Circumference
126638133.93696
Perimeter
80620340
Area
406227451357225
Diagonal
28503594.557783
Surface area
2437364708143350
Volume
8.1875488114382E+21
Space diagonal
34909631.250869
Perimeter
60465255
Area
1.7590164629498E+14
Altitude
17454815.625435
Surface area
1.7590164629498E+14
Volume
9.6491188097731E+20
Height
9501198.1859275