398731421 is an odd 9-digits composite number following 398731420
and preceding 398731422 . In scientific notation, it is written as 3.98731421 × 10^8.
The sum of its digits is 38. It has a total of 4 prime factors and 12 positive divisors.
There are 361806720 positive integers (up to 398731421) that are relatively prime to 398731421.
398731421 has 12 divisors, whose sum is 439093116
The reverse of 398731421 is 124137893
Previous prime number is 593
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
three hundred ninety-eight million seven hundred thirty-one thousand four hundred twenty-one
Scientific notation
3.98731421 × 10^8
Engineering notation
3.98731421 × 10^6
Prime Factorization
11 × 11 × 593 × 5557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
36248311
Product of the distinct prime numbers
The prime factorization of 398731421 is 11 × 11 × 593 × 5557.
Since it has a total of 4 prime factors.
4 , 8 , 3 , 68 , 349 , 113 , 5979 , 1889 , 61315 , 70181 , 343451 , 780924 , 8429273 , 4520508 , 79642308 , 67769032 , 165854472 , 407576842 , 6051560748 , 7005876593
n×2
797462842
n×3
1196194263
n×4
1594925684
n×5
1993657105
n÷2
199365710.5
n÷3
132910473.66667
n÷3
99682855.25
n÷5
79746284.2
n2
158986746092679241
n3
6.33930111897E+25
n4
2.5276785433138E+34
n5
1.0078648574067E+43
2 √n
19968.260339849
3 √n
736.02656067998
4 √n
141.30909503584
5 √n
52.497194158789
1 , 11 , 121 , 593 , 5557 , 6523 , 61127 , 71753 , 672397 , 3295301 , 36248311 , 398731421
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-398731420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 398731421 can be divided by 12 positive divisors.
The sum of these divisors (counting 398731421) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111110001000010100010011101
3
Ternary
1000210021122200102
4
Quaternary
113301002202131
5
Quinary
1304033401141
6
Senary
103322110445
8
Octal
2761024235
10
Decimal
398731421
12
Duodecimal
b164b425
16
Hexadecimal
17c4289d
20
Vigesimal
64c18b1
36
Base36
6le74t
md5
ef9ee5061fa78caa1eb306755121be1b
sha1
b58a9af5b8f7fe3cc6ac5e68a4c84b595cdfd216
sha256
6ef976254619df402db8999c4048f589bd370f90ddde0ee388445a00cd044b43
sha512
01851ef3b7796fcb595f8b77351ea8892b194b083c23ebc96fd203f75b897132b1508fe91ee463aca093e2a9a6b9f5661c92a500478772c67f2edfaddf022e71
ripemd-160
5e331f74f14699721f3ae64d958426bad2b898c5
Diameter
797462842
Circumference
2505303405.938
Area
4.9947159354291E+17
Volume
2.6554002432333E+26
Surface area
1.9978863741716E+18
Circumference
2505303405.938
Perimeter
1594925684
Area
158986746092679241
Diagonal
563891383.3225
Surface area
953920476556075446
Volume
6.33930111897E+25
Space diagonal
690623079.74614
Perimeter
1196194263
Area
6.8843280490643E+16
Altitude
345311539.87307
Surface area
6.8843280490643E+16
Volume
7.4709380153453E+24
Height
187963794.44083