397888949 is an odd 9-digits prime number following 397888948
and preceding 397888950 . In scientific notation, it is written as 3.97888949 × 10^8.
The sum of its digits is 65. It has a total of 1 prime factors and 2 positive divisors.
There are 397888948 positive integers (up to 397888949) that are relatively prime to 397888949.
397888949 has 2 divisors, whose sum is 397888950
The reverse of 397888949 is 949888793
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 65
Digital Root 2
Name
three hundred ninety-seven million eight hundred eighty-eight thousand nine hundred forty-nine
Scientific notation
3.97888949 × 10^8
Engineering notation
3.97888949 × 10^6
Prime Factorization
397888949
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
397888949
Product of the distinct prime numbers
The prime factorization of 397888949 is 397888949.
Since it has a total of 1 prime factors.
5 , 2 , 93 , 49 , 468 , 723 , 63 , 6493 , 63973 , 9337 , 487838 , 938464 , 8156069 , 3949632 , 12540651 , 43229488 , 986743841 , 484439425 , 8519654376 , 4879715968
n×2
795777898
n×3
1193666847
n×4
1591555796
n×5
1989444745
n÷2
198944474.5
n÷3
132629649.66667
n÷3
99472237.25
n÷5
79577789.8
n2
158315615736324601
n3
6.2992033955614E+25
n4
2.5063834185972E+34
n5
9.9726226421665E+42
2 √n
19947.153907262
3 √n
735.50781634152
4 √n
141.23439349982
5 √n
52.4749913224
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
397888950
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
198944475
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19947.153932328
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999949735
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 397888949 can be divided by 2 positive divisors.
The sum of these divisors (counting 397888949) is 397888950, the average is 198944475.
Base
System
Value
2
Binary
10111101101110100110110110101
3
Ternary
1000201200212000202
4
Quaternary
113231310312311
5
Quinary
1303324421244
6
Senary
103252050245
8
Octal
2755646665
10
Decimal
397888949
12
Duodecimal
b1303985
16
Hexadecimal
17b74db5
20
Vigesimal
646g279
36
Base36
6kw52t
md5
b0e13b4b959ba04b92f437712aec7b48
sha1
47a660fd9bbc4a142bcf01634186e9bdb59b6215
sha256
7f96863c8fe32320cbcc147b91ceb4eaab153113e30e8b963fda12da80155bdb
sha512
9e885713916c4c2f81f16445dc0a7f2a1b824c8c32e86849efcc08960d255185d58c807616681fe7a2c825126b494677fd8e55e415c4f738930472fa56372fdf
ripemd-160
3944394c4a4f8805a2ffb424f08c9da4ac5856f2
Diameter
795777898
Circumference
2500009998.2459
Area
4.9736317534578E+17
Volume
2.6386041481285E+26
Surface area
1.9894527013831E+18
Circumference
2500009998.2459
Perimeter
1591555796
Area
158315615736324601
Diagonal
562699947.99418
Surface area
949893694417947606
Volume
6.2992033955614E+25
Space diagonal
689163875.43818
Perimeter
1193666847
Area
6.8552672521716E+16
Altitude
344581937.71909
Surface area
6.8552672521716E+16
Volume
7.4236823951247E+24
Height
187566649.33139