408020989 is an odd 9-digits composite number following 408020988
and preceding 408020990 . In scientific notation, it is written as 4.08020989 × 10^8.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 389700960 positive integers (up to 408020989) that are relatively prime to 408020989.
408020989 has 8 divisors, whose sum is 426393792
The reverse of 408020989 is 989020804
Previous prime number is 691
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
four hundred eight million twenty thousand nine hundred eighty-nine
Scientific notation
4.08020989 × 10^8
Engineering notation
4.08020989 × 10^6
Prime Factorization
23 × 691 × 25673
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
408020989
Product of the distinct prime numbers
The prime factorization of 408020989 is 23 × 691 × 25673.
Since it has a total of 3 prime factors.
3 , 8 , 26 , 46 , 490 , 391 , 2703 , 85 , 77525 , 91326 , 996566 , 755094 , 947837 , 6299780 , 2880288 , 46775058 , 977348211 , 364810923 , 2659484804 , 131757340
n×2
816041978
n×3
1224062967
n×4
1632083956
n×5
2040104945
n÷2
204010494.5
n÷3
136006996.33333
n÷3
102005247.25
n÷5
81604197.8
n2
166481127464538121
n3
6.7927794277916E+25
n4
2.7715965801864E+34
n5
1.1308695777567E+43
2 √n
20199.529425212
3 √n
741.69867197378
4 √n
142.12504854955
5 √n
52.739559834293
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
-408020988
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 408020989 can be divided by 8 positive divisors.
The sum of these divisors (counting 408020989) is 1, the average is 0.125.
Base
System
Value
2
Binary
11000010100011110011111111101
3
Ternary
1001102202121120111
4
Quaternary
120110132133331
5
Quinary
1313423132424
6
Senary
104253150021
8
Octal
3024363775
10
Decimal
408020989
12
Duodecimal
b478b311
16
Hexadecimal
1851e7fd
20
Vigesimal
67a2c99
36
Base36
6qxb0d
md5
57c6d866342589efa6043cfb286251d4
sha1
e7fecd19d7a3d93ec2bc716f5111451037ecaccd
sha256
c3057c5b961a98a77cdbe9b590d7e9320892cb30ffba17e8cd455b9b4075b166
sha512
320058aebe3ea2eb88911c96f3c7c75fbbfae243759886cbca0af366b1ad73c946e97ca33fad77296a78705e3519e323e18e6e6d9b0477b08d491e25bcb1bd96
ripemd-160
f71ac146ef1e2e4c6ebbca8e8722fcfc1ffab4be
Diameter
816041978
Circumference
2563671483.1057
Area
5.2301588700394E+17
Volume
2.8453527930408E+26
Surface area
2.0920635480158E+18
Circumference
2563671483.1057
Perimeter
1632083956
Area
166481127464538121
Diagonal
577028816.37668
Surface area
998886764787228726
Volume
6.7927794277916E+25
Space diagonal
706713083.5025
Perimeter
1224062967
Area
7.2088442817483E+16
Altitude
353356541.75125
Surface area
7.2088442817483E+16
Volume
8.0053673274932E+24
Height
192342938.79223