398989957 is an odd 9-digits prime number following 398989956
and preceding 398989958 . In scientific notation, it is written as 3.98989957 × 10^8.
The sum of its digits is 67. It has a total of 1 prime factors and 2 positive divisors.
There are 398989956 positive integers (up to 398989957) that are relatively prime to 398989957.
398989957 has 2 divisors, whose sum is 398989958
The reverse of 398989957 is 759989893
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 67
Digital Root 4
Name
three hundred ninety-eight million nine hundred eighty-nine thousand nine hundred fifty-seven
Scientific notation
3.98989957 × 10^8
Engineering notation
3.98989957 × 10^6
Prime Factorization
398989957
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
398989957
Product of the distinct prime numbers
The prime factorization of 398989957 is 398989957.
Since it has a total of 1 prime factors.
9 , 6 , 19 , 87 , 27 , 931 , 1517 , 4514 , 7959 , 49433 , 70813 , 200588 , 9965666 , 3667711 , 40955768 , 45981867 , 911248044 , 795638828 , 975614057 , 9455724737
n×2
797979914
n×3
1196969871
n×4
1595959828
n×5
1994949785
n÷2
199494978.5
n÷3
132996652.33333
n÷3
99747489.25
n÷5
79797991.4
n2
159192985786861849
n3
6.3516402553802E+25
n4
2.5342406723736E+34
n5
1.011136576898E+43
2 √n
19974.732964423
3 √n
736.18560528999
4 √n
141.33199554391
5 √n
52.504000191684
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
398989958
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
199494979
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19974.732989454
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999949873
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 398989957 can be divided by 2 positive divisors.
The sum of these divisors (counting 398989957) is 398989958, the average is 199494979.
Base
System
Value
2
Binary
10111110010000001101010000101
3
Ternary
1000210202210022211
4
Quaternary
113302001222011
5
Quinary
1304120134312
6
Senary
103331423421
8
Octal
2762015205
10
Decimal
398989957
12
Duodecimal
b1754b71
16
Hexadecimal
17c81a85
20
Vigesimal
64ddehh
36
Base36
6ljqmd
md5
daa08a1508e1ce5bf46fbec6b0e110f4
sha1
50e24055862c7e03352197a45b1a3d540e216336
sha256
1fc4f00c4f91add1f092ec0f6be927e8d69f705880f9aafdc7321188d7451f0a
sha512
d2b8b96f1f0acb4d1fe76dbfbe3c9dafe76c6ce6dc29b4517519eaf6bd2ecb4b68ae5f76488b6d1b67030c375bcd8d0861f35ad52e692e76f54a2338b503f942
ripemd-160
94e299118ab76ff209aa9c5af413efb027d1d75b
Diameter
797979914
Circumference
2506927835.5346
Area
5.0011951465103E+17
Volume
2.6605688486063E+26
Surface area
2.0004780586041E+18
Circumference
2506927835.5346
Perimeter
1595959828
Area
159192985786861849
Diagonal
564257008.44006
Surface area
955157914721171094
Volume
6.3516402553802E+25
Space diagonal
691070877.23372
Perimeter
1196969871
Area
6.8932584897859E+16
Altitude
345535438.61686
Surface area
6.8932584897859E+16
Volume
7.4854798270613E+24
Height
188085669.48002