20087971 is an odd 8-digits composite number following 20087970
and preceding 20087972 . In scientific notation, it is written as 2.0087971 × 10^7.
The sum of its digits is 34. It has a total of 3 prime factors and 8 positive divisors.
There are 19595520 positive integers (up to 20087971) that are relatively prime to 20087971.
20087971 has 8 divisors, whose sum is 20585984
The reverse of 20087971 is 17978002
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty million eighty-seven thousand nine hundred seventy-one
Scientific notation
2.0087971 × 10^7
Engineering notation
2.0087971 × 10^6
Prime Factorization
61 × 127 × 2593
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20087971
Product of the distinct prime numbers
The prime factorization of 20087971 is 61 × 127 × 2593.
Since it has a total of 3 prime factors.
4 , 1 , 78 , 53 , 490 , 284 , 4131 , 6827 , 42478 , 13534 , 685103 , 919211 , 1562891 , 6350338 , 53122596 , 75525261 , 118708375 , 106310676 , 6231919451 , 1713393432
n×2
40175942
n×3
60263913
n×4
80351884
n×5
100439855
n÷2
10043985.5
n÷3
6695990.3333333
n÷3
5021992.75
n÷5
4017594.2
n2
403526578896841
n3
8.106030214609E+21
n4
1.6283369987619E+29
n5
3.2709986409356E+36
2 √n
4481.9606200858
3 √n
271.83916295153
4 √n
66.94744670326
5 √n
28.879336726707
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
-20087970
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 20087971 can be divided by 8 positive divisors.
The sum of these divisors (counting 20087971) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100101000010010100011
3
Ternary
1101210120111221
4
Quaternary
1030220102203
5
Quinary
20120303341
6
Senary
1554315511
8
Octal
114502243
10
Decimal
20087971
12
Duodecimal
6888b97
16
Hexadecimal
13284a3
20
Vigesimal
65ajib
36
Base36
byjz7
md5
50f97ce5b19997f2588b9abbe5a9a7df
sha1
a901b24055f59f5abc8da1f279f1ecdea55d5704
sha256
7d17461c29e66098e5485c916adb4ae12266764f2dbac42783388b176850b7d2
sha512
b8c704ec5bb5ecb2671bff5241fd1eab46c5a8ad05a37a2103507673c5e5c4c1cbf335547915f8295a041ebe22ffb291ddb59cd3ead9f3000118dd0eef95058a
ripemd-160
0086bf59b8a0fc387d10aedf8bb1ae7c1e8cef86
Diameter
40175942
Circumference
126216444.23825
Area
1.2677161357905E+15
Volume
3.3954459962657E+22
Surface area
5.0708645431622E+15
Circumference
126216444.23825
Perimeter
80351884
Area
403526578896841
Diagonal
28408681.028757
Surface area
2421159473381046
Volume
8.106030214609E+21
Space diagonal
34793386.39297
Perimeter
60263913
Area
1.7473213421344E+14
Altitude
17396693.196485
Surface area
1.7473213421344E+14
Volume
9.5530482220884E+20
Height
9469560.3429191