398688081 is an odd 9-digits composite number following 398688080
and preceding 398688082 . In scientific notation, it is written as 3.98688081 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 241629120 positive integers (up to 398688081) that are relatively prime to 398688081.
398688081 has 8 divisors, whose sum is 579909984
The reverse of 398688081 is 180886893
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
three hundred ninety-eight million six hundred eighty-eight thousand eighty-one
Scientific notation
3.98688081 × 10^8
Engineering notation
3.98688081 × 10^6
Prime Factorization
3 × 11 × 12081457
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
398688081
Product of the distinct prime numbers
The prime factorization of 398688081 is 3 × 11 × 12081457.
Since it has a total of 3 prime factors.
2 , 4 , 18 , 56 , 280 , 861 , 211 , 401 , 406 , 43462 , 326192 , 517795 , 1194489 , 483524 , 27825755 , 61970723 , 793005777 , 155723319 , 9742385545 , 7281709923
n×2
797376162
n×3
1196064243
n×4
1594752324
n×5
1993440405
n÷2
199344040.5
n÷3
132896027
n÷3
99672020.25
n÷5
79737616.2
n2
158952185931462561
n3
6.337234197977E+25
n4
2.526579741239E+34
n5
1.0073172285281E+43
2 √n
19967.175088129
3 √n
735.99989231351
4 √n
141.3052549912
5 √n
52.496052875608
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
-398688080
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 398688081 can be divided by 8 positive divisors.
The sum of these divisors (counting 398688081) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111110000110111111101010001
3
Ternary
1000210012110020020
4
Quaternary
113300313331101
5
Quinary
1304031004311
6
Senary
103321134053
8
Octal
2760677521
10
Decimal
398688081
12
Duodecimal
b162a329
16
Hexadecimal
17c37f51
20
Vigesimal
64bg041
36
Base36
6ld9ox
md5
e77f5614224e49bcc0b29831e0329469
sha1
cf78faca6d99f499eb50bea0d06f55ba96fa6bb9
sha256
c564a609dca76229fd72b6c3a59d5e374f9ea712e332b3f29b637c823bd3157e
sha512
1dcc78f16a581aafb98e5df39fdab802f00ea52cdc28f7fefd1694c17595d3878750b03038d58f6645aff3fad07105f08f357e201bde0d426abae50c620b5857
ripemd-160
19cfbbba768a854c0220f4193668a9880cc32041
Diameter
797376162
Circumference
2505031092.6868
Area
4.9936301959432E+17
Volume
2.6545344533923E+26
Surface area
1.9974520783773E+18
Circumference
2505031092.6868
Perimeter
1594752324
Area
158952185931462561
Diagonal
563830091.3067
Surface area
953713115588775366
Volume
6.337234197977E+25
Space diagonal
690548012.66414
Perimeter
1196064243
Area
6.8828315501857E+16
Altitude
345274006.33207
Surface area
6.8828315501857E+16
Volume
7.4685021255947E+24
Height
187943363.7689