20087861 is an odd 8-digits prime number following 20087860
and preceding 20087862 . In scientific notation, it is written as 2.0087861 × 10^7.
The sum of its digits is 32. It has a total of 1 prime factors and 2 positive divisors.
There are 20087860 positive integers (up to 20087861) that are relatively prime to 20087861.
20087861 has 2 divisors, whose sum is 20087862
The reverse of 20087861 is 16878002
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
twenty million eighty-seven thousand eight hundred sixty-one
Scientific notation
2.0087861 × 10^7
Engineering notation
2.0087861 × 10^6
Prime Factorization
20087861
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
20087861
Product of the distinct prime numbers
The prime factorization of 20087861 is 20087861.
Since it has a total of 1 prime factors.
10 , 4 , 21 , 90 , 293 , 969 , 5070 , 3523 , 40235 , 75626 , 936265 , 141813 , 3532870 , 9534505 , 52079802 , 74117755 , 49530390 , 585606558 , 4639601667 , 5038998827
n×2
40175722
n×3
60263583
n×4
80351444
n×5
100439305
n÷2
10043930.5
n÷3
6695953.6666667
n÷3
5021965.25
n÷5
4017572.2
n2
403522159555321
n3
8.1058970515671E+21
n4
1.6283013325219E+29
n5
3.2709090833815E+36
2 √n
4481.9483486537
3 √n
271.83866676134
4 √n
66.947355053458
5 √n
28.879305098485
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
20087862
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10043931
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4481.9484602124
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999004374
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 20087861 can be divided by 2 positive divisors.
The sum of these divisors (counting 20087861) is 20087862, the average is 10043931.
Base
System
Value
2
Binary
1001100101000010000110101
3
Ternary
1101210120100212
4
Quaternary
1030220100311
5
Quinary
20120302421
6
Senary
1554315205
8
Octal
114502065
10
Decimal
20087861
12
Duodecimal
6888b05
16
Hexadecimal
1328435
20
Vigesimal
65ajd1
36
Base36
byjw5
md5
e29d994cf7affda57257397985981ba5
sha1
7831843db4d5d90074eca2ff93c8e9add7733d98
sha256
45cc15347589b5be040d00e34094e69b9da0b069fac8179dcae976a26986b74a
sha512
11b3b60a57ae656f046036dd866fd1054898d815c78884e2ea912939e19bbd585c8bb33b2010535dd97496bc014737ba60ddf1eff40ee0f8fea50096646afacd
ripemd-160
357dc7fa79941cdb5297ed8758240e38ef8ab122
Diameter
40175722
Circumference
126215753.08787
Area
1.2677022520197E+15
Volume
3.3953902170611E+22
Surface area
5.0708090080787E+15
Circumference
126215753.08787
Perimeter
80351444
Area
403522159555321
Diagonal
28408525.465266
Surface area
2421132957331926
Volume
8.1058970515671E+21
Space diagonal
34793195.867381
Perimeter
60263583
Area
1.7473022058243E+14
Altitude
17396597.933691
Surface area
1.7473022058243E+14
Volume
9.5528912879386E+20
Height
9469508.4884219