397017981 is an odd 9-digits composite number following 397017980
and preceding 397017982 . In scientific notation, it is written as 3.97017981 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 263700360 positive integers (up to 397017981) that are relatively prime to 397017981.
397017981 has 8 divisors, whose sum is 442761600
The reverse of 397017981 is 189710793
Previous prime number is 271
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
three hundred ninety-seven million seventeen thousand nine hundred eighty-one
Scientific notation
3.97017981 × 10^8
Engineering notation
3.97017981 × 10^6
Prime Factorization
9 × 271 × 162779
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
397017981
Product of the distinct prime numbers
The prime factorization of 397017981 is 9 × 271 × 162779.
Since it has a total of 3 prime factors.
6 , 10 , 11 , 64 , 425 , 101 , 5619 , 3029 , 84412 , 66976 , 582481 , 302193 , 9658709 , 8597938 , 16133587 , 5143922 , 991490725 , 440962789 , 306558191 , 8898240666
n×2
794035962
n×3
1191053943
n×4
1588071924
n×5
1985089905
n÷2
198508990.5
n÷3
132339327
n÷3
99254495.25
n÷5
79403596.2
n2
157623277237316361
n3
6.2579275287363E+25
n4
2.4845097527032E+34
n5
9.8639504579303E+42
2 √n
19925.310060323
3 √n
734.9707554656
4 √n
141.15704042067
5 √n
52.451997917355
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
-397017980
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 397017981 can be divided by 8 positive divisors.
The sum of these divisors (counting 397017981) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111101010100000001101111101
3
Ternary
1000200001121021200
4
Quaternary
113222200031331
5
Quinary
1303114033411
6
Senary
103221250113
8
Octal
2752401575
10
Decimal
397017981
12
Duodecimal
b0b63939
16
Hexadecimal
17aa037d
20
Vigesimal
64174j1
36
Base36
6kdh19
md5
fa4253446aa11b85ecae02ce5ffc2bab
sha1
9b8a30e7df61de575051dfab575ddda34f986e01
sha256
2bfd4ef0a46ee06ead603b55fab8c77d03513cadab1d6d616edb33719b816f91
sha512
700be02ecc777c78b56e1717ab6217f5b8406bbf67984a35d5e83599de5b0455877280ba481312110e28f62658e70f16d7b45183416813c095323ba5055716d5
ripemd-160
c4dfcab637a1b78ca1c5c5afd5a229da4a385936
Diameter
794035962
Circumference
2494537544.9053
Area
4.951881298035E+17
Volume
2.6213145534634E+26
Surface area
1.980752519214E+18
Circumference
2494537544.9053
Perimeter
1588071924
Area
157623277237316361
Diagonal
561468213.23618
Surface area
945739663423898166
Volume
6.2579275287363E+25
Space diagonal
687655314.61042
Perimeter
1191053943
Area
6.8252881157637E+16
Altitude
343827657.30521
Surface area
6.8252881157637E+16
Volume
7.3750383195723E+24
Height
187156071.07873