398291221 is an odd 9-digits composite number following 398291220
and preceding 398291222 . In scientific notation, it is written as 3.98291221 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 395250700 positive integers (up to 398291221) that are relatively prime to 398291221.
398291221 has 4 divisors, whose sum is 401331744
The reverse of 398291221 is 122192893
Previous prime number is 131
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
three hundred ninety-eight million two hundred ninety-one thousand two hundred twenty-one
Scientific notation
3.98291221 × 10^8
Engineering notation
3.98291221 × 10^6
Prime Factorization
131 × 3040391
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
398291221
Product of the distinct prime numbers
The prime factorization of 398291221 is 131 × 3040391.
Since it has a total of 2 prime factors.
1 , 2 , 59 , 39 , 651 , 223 , 4786 , 4096 , 61540 , 90956 , 848497 , 891715 , 503185 , 6121034 , 72538601 , 11744263 , 998957654 , 517001382 , 1865350066 , 9774984873
n×2
796582442
n×3
1194873663
n×4
1593164884
n×5
1991456105
n÷2
199145610.5
n÷3
132763740.33333
n÷3
99572805.25
n÷5
79658244.2
n2
158635896725670841
n3
6.3183285001297E+25
n4
2.5165347729958E+34
n5
1.0023137074254E+43
2 √n
19957.234803449
3 √n
735.75560285402
4 √n
141.27007752334
5 √n
52.485597642699
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
-398291220
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 398291221 can be divided by 4 positive divisors.
The sum of these divisors (counting 398291221) is 1, the average is 0.25.
Base
System
Value
2
Binary
10111101111010111000100010101
3
Ternary
1000202110021211201
4
Quaternary
113233113010111
5
Quinary
1303430304341
6
Senary
103304432501
8
Octal
2757270425
10
Decimal
398291221
12
Duodecimal
b1478731
16
Hexadecimal
17bd7115
20
Vigesimal
6496811
36
Base36
6l4rh1
md5
7a681a9008f6abb717d60e9b24ae84fd
sha1
c4458316e62160e9005f345702fcf38fc38a462f
sha256
abfeb22107ef52b7d7df496050ba4747876c32dc595919a2c741c7f461380445
sha512
2f0fc2c7c3aa52c8ae61e1f6a6f70ababd47a769d65b9506ef5ccda90e6e2b119731536a5fd99a9e46eca67f8931e64c051add0699c7e7f9cc246facd1ec7fbe
ripemd-160
25a5c78cd83612fbf2ae8688efb8891f35c91035
Diameter
796582442
Circumference
2502537547.7658
Area
4.98369367749E+17
Volume
2.6466152531966E+26
Surface area
1.993477470996E+18
Circumference
2502537547.7658
Perimeter
1593164884
Area
158635896725670841
Diagonal
563268846.51234
Surface area
951815380354025046
Volume
6.3183285001297E+25
Space diagonal
689860630.98064
Perimeter
1194873663
Area
6.8691358258278E+16
Altitude
344930315.49032
Surface area
6.8691358258278E+16
Volume
7.4462215470099E+24
Height
187756282.17078