521996987 is an odd 9-digits composite number following 521996986
and preceding 521996988 . In scientific notation, it is written as 5.21996987 × 10^8.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 516828600 positive integers (up to 521996987) that are relatively prime to 521996987.
521996987 has 4 divisors, whose sum is 527165376
The reverse of 521996987 is 789699125
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 56
Digital Root 2
Name
five hundred twenty-one million nine hundred ninety-six thousand nine hundred eighty-seven
Scientific notation
5.21996987 × 10^8
Engineering notation
5.21996987 × 10^6
Prime Factorization
101 × 5168287
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
521996987
Product of the distinct prime numbers
The prime factorization of 521996987 is 101 × 5168287.
Since it has a total of 2 prime factors.
3 , 9 , 6 , 17 , 87 , 455 , 74 , 33 , 5741 , 8512 , 925656 , 637540 , 1367652 , 5831744 , 90361338 , 12731147 , 795300878 , 485760858 , 3081945509 , 7612793158
n×2
1043993974
n×3
1565990961
n×4
2087987948
n×5
2609984935
n÷2
260998493.5
n÷3
173998995.66667
n÷3
130499246.75
n÷5
104399397.4
n2
272480854437078169
n3
1.4223418503134E+26
n4
7.424581603476E+34
n5
3.8756092267501E+43
2 √n
22847.253379783
3 √n
805.17323895244
4 √n
151.15307929309
5 √n
55.403040491202
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
-521996986
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 521996987 can be divided by 4 positive divisors.
The sum of these divisors (counting 521996987) is 1, the average is 0.25.
Base
System
Value
2
Binary
11111000111010000101010111011
3
Ternary
1100101020012020202
4
Quaternary
133013100222323
5
Quinary
2032112400422
6
Senary
123444112415
8
Octal
3707205273
10
Decimal
521996987
12
Duodecimal
12699570b
16
Hexadecimal
1f1d0abb
20
Vigesimal
8329c97
36
Base36
8ms7gb
md5
6d608ddc0f8e261cb587a4a410e9923c
sha1
8053c803645101d016d96c638f3193d85d960dc5
sha256
ecffa36e81526be30bc7905acf92e1475836e3f3ea73a859945ac599a5db2c6d
sha512
0272c337877f9b30089ae273167e715ce4c28d4be821771b2af4d01862f77bbaeaafee7b380a55ea40f7db83b3cdafac869987420d6da52d149f66e57ac4c637
ripemd-160
8de164908de10c1e83269308a7f78c66de883638
Diameter
1043993974
Circumference
3279803799.1104
Area
8.5602385054339E+17
Volume
5.9578916104505E+26
Surface area
3.4240954021736E+18
Circumference
3279803799.1104
Perimeter
2087987948
Area
272480854437078169
Diagonal
738215218.53329
Surface area
1634885126622469014
Volume
1.4223418503134E+26
Space diagonal
904125302.88187
Perimeter
1565990961
Area
1.179876709937E+17
Altitude
452062651.44094
Surface area
1.179876709937E+17
Volume
1.67624594587E+25
Height
246071739.5111