20187955 is an odd 8-digits composite number following 20187954
and preceding 20187956 . In scientific notation, it is written as 2.0187955 × 10^7.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 16150360 positive integers (up to 20187955) that are relatively prime to 20187955.
20187955 has 4 divisors, whose sum is 24225552
The reverse of 20187955 is 55978102
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
twenty million one hundred eighty-seven thousand nine hundred fifty-five
Scientific notation
2.0187955 × 10^7
Engineering notation
2.0187955 × 10^6
Prime Factorization
5 × 4037591
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
20187955
Product of the distinct prime numbers
The prime factorization of 20187955 is 5 × 4037591.
Since it has a total of 2 prime factors.
3 , 6 , 34 , 77 , 574 , 780 , 6263 , 3058 , 90200 , 62640 , 654969 , 649324 , 510418 , 3979714 , 6566123 , 97716284 , 971632340 , 992828483 , 7138153467 , 5924882355
n×2
40375910
n×3
60563865
n×4
80751820
n×5
100939775
n÷2
10093977.5
n÷3
6729318.3333333
n÷3
5046988.75
n÷5
4037591
n2
407553527082025
n3
8.2276722648232E+21
n4
1.66099877437E+29
n5
3.3532168512036E+36
2 √n
4493.100822372
3 √n
272.28942573923
4 √n
67.03059616602
5 √n
28.908027926813
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-20187954
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20187955 can be divided by 4 positive divisors.
The sum of these divisors (counting 20187955) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001101000000101100110011
3
Ternary
1101222122200001
4
Quaternary
1031000230303
5
Quinary
20132003310
6
Senary
2000410431
8
Octal
115005463
10
Decimal
20187955
12
Duodecimal
6916a17
16
Hexadecimal
1340b33
20
Vigesimal
6639hf
36
Base36
c0p4j
md5
9edfeaaa8f249ccc59106b358111ecba
sha1
8bf0e282fe49ec67db7c030cbc8c9184256e6a50
sha256
f903e0269729d6d1c627e224721f194daa4196f6ef020371abc4630e35116877
sha512
28194b7fa8a1d6e2ceaa10cab910108e59483e0cb72b6e66dab20f62b00749660e9ab04fa0fc2e3adc58f863c48cfec97af01cc10e7a7b108bfd8b7e24b6d318
ripemd-160
616dcc565699d887617f8ed9613be74457658dad
Diameter
40375910
Circumference
126844662.238
Area
1.2803671666255E+15
Volume
3.4463992991084E+22
Surface area
5.121468666502E+15
Circumference
126844662.238
Perimeter
80751820
Area
407553527082025
Diagonal
28550079.757578
Surface area
2445321162492150
Volume
8.2276722648232E+21
Space diagonal
34966563.760914
Perimeter
60563865
Area
1.7647585392749E+14
Altitude
17483281.880457
Surface area
1.7647585392749E+14
Volume
9.6964047530616E+20
Height
9516693.2525259