397777681 is an odd 9-digits composite number following 397777680
and preceding 397777682 . In scientific notation, it is written as 3.97777681 × 10^8.
The sum of its digits is 55. It has a total of 3 prime factors and 8 positive divisors.
There are 340488960 positive integers (up to 397777681) that are relatively prime to 397777681.
397777681 has 8 divisors, whose sum is 455220864
The reverse of 397777681 is 186777793
Previous prime number is 743
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
three hundred ninety-seven million seven hundred seventy-seven thousand six hundred eighty-one
Scientific notation
3.97777681 × 10^8
Engineering notation
3.97777681 × 10^6
Prime Factorization
7 × 743 × 76481
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
397777681
Product of the distinct prime numbers
The prime factorization of 397777681 is 7 × 743 × 76481.
Since it has a total of 3 prime factors.
3 , 9 , 13 , 64 , 76 , 891 , 621 , 5642 , 65848 , 75554 , 962297 , 327027 , 7272703 , 4461 , 64003331 , 23011261 , 790286804 , 30631430 , 6568853879 , 6852132499
n×2
795555362
n×3
1193333043
n×4
1591110724
n×5
1988888405
n÷2
198888840.5
n÷3
132592560.33333
n÷3
99444420.25
n÷5
79555536.2
n2
158227083501737761
n3
6.2939202346715E+25
n4
2.5035809953466E+34
n5
9.9586864252464E+42
2 √n
19944.364642675
3 √n
735.43924937604
4 √n
141.22451856061
5 √n
52.472056111168
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
-397777680
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 397777681 can be divided by 8 positive divisors.
The sum of these divisors (counting 397777681) is 1, the average is 0.125.
Base
System
Value
2
Binary
10111101101011001101100010001
3
Ternary
1000201111012101201
4
Quaternary
113231121230101
5
Quinary
1303312341211
6
Senary
103245431201
8
Octal
2755315421
10
Decimal
397777681
12
Duodecimal
b126b501
16
Hexadecimal
17b59b11
20
Vigesimal
6462441
36
Base36
6ktr81
md5
41d598afecfc42bde50ac4de6854f339
sha1
4b6a988979210c28e7d0b4e26e208714fa13e65c
sha256
80da69d7a9335ff3cd7de33fe99be7d3e81d6d9ca2b4c260f79d1823e024cefb
sha512
0787fb2288d4a7f7386282ae5200888f477da0f86b57d407738fe920fcbd0ba473a50bfc199578aec296dcc9bb1cea8331f95316cfd8df75e9ba7ef47a5d207b
ripemd-160
667b6cae8e0b98454a5725ca52db85d546339b39
Diameter
795555362
Circumference
2499310880.7832
Area
4.97085043128E+17
Volume
2.6363911428699E+26
Surface area
1.988340172512E+18
Circumference
2499310880.7832
Perimeter
1591110724
Area
158227083501737761
Diagonal
562542591.27952
Surface area
949362501010426566
Volume
6.2939202346715E+25
Space diagonal
688971153.60893
Perimeter
1193333043
Area
6.8514336939613E+16
Altitude
344485576.80446
Surface area
6.8514336939613E+16
Volume
7.4174561303057E+24
Height
187514197.09317