20161155 is an odd 8-digits composite number following 20161154
and preceding 20161156 . In scientific notation, it is written as 2.0161155 × 10^7.
The sum of its digits is 21. It has a total of 4 prime factors and 16 positive divisors.
There are 9150336 positive integers (up to 20161155) that are relatively prime to 20161155.
20161155 has 16 divisors, whose sum is 24754176
The reverse of 20161155 is 55116102
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 21
Digital Root 3
Name
twenty million one hundred sixty-one thousand one hundred fifty-five
Scientific notation
2.0161155 × 10^7
Engineering notation
2.0161155 × 10^6
Prime Factorization
15 × 7 × 157 × 1223
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
20161155
Product of the distinct prime numbers
The prime factorization of 20161155 is 15 × 7 × 157 × 1223.
Since it has a total of 4 prime factors.
7 , 7 , 75 , 58 , 780 , 162 , 3429 , 1550 , 40221 , 22604 , 865369 , 56769 , 5761275 , 2134362 , 96124876 , 15005572 , 362764249 , 763013153 , 7749757987 , 8323037173
n×2
40322310
n×3
60483465
n×4
80644620
n×5
100805775
n÷2
10080577.5
n÷3
6720385
n÷3
5040288.75
n÷5
4032231
n2
406472170934025
n3
8.1949484413874E+21
n4
1.6521962574382E+29
n5
3.3310184836631E+36
2 √n
4490.1174817592
3 √n
272.16888210924
4 √n
67.008338897179
5 √n
28.900348626277
1 , 7 , 15 , 105 , 157 , 1099 , 1223 , 2355 , 8561 , 16485 , 18345 , 128415 , 192011 , 1344077 , 2880165 , 20161155
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
-20161154
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 20161155 can be divided by 16 positive divisors.
The sum of these divisors (counting 20161155) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001100111010001010000011
3
Ternary
1101221021220110
4
Quaternary
1030322022003
5
Quinary
20130124110
6
Senary
2000042403
8
Octal
114721203
10
Decimal
20161155
12
Duodecimal
6903403
16
Hexadecimal
133a283
20
Vigesimal
6602hf
36
Base36
c04g3
md5
698a06a96a393f23b1e1450f5c41f831
sha1
5e7e4809e0bcc001058e226ab9c4bc8bc6b049f3
sha256
1212dd4776cf53023d9bfa800a71c8a853d900bb8c43439ae6e67d2ac9dac2c1
sha512
05cd1c9c7ee3ac506ba72e840af1041f808be68e658a0a36e413ca31d8b08e9f81d2b4188018c876e644aa6b2cdc11c1e1299adc67377a1806ae6c59bdec33de
ripemd-160
35ffb8fec94ec42b0d6a2f230701eb47653464ab
Diameter
40322310
Circumference
126676272.87177
Area
1.276969986095E+15
Volume
3.4326919760013E+22
Surface area
5.1078799443801E+15
Circumference
126676272.87177
Perimeter
80644620
Area
406472170934025
Diagonal
28512178.834106
Surface area
2438833025604150
Volume
8.1949484413874E+21
Space diagonal
34920144.799271
Perimeter
60483465
Area
1.7600761298014E+14
Altitude
17460072.399636
Surface area
1.7600761298014E+14
Volume
9.6578393572986E+20
Height
9504059.6113687