381698981 is an odd 9-digits composite number following 381698980
and preceding 381698982 . In scientific notation, it is written as 3.81698981 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 380921100 positive integers (up to 381698981) that are relatively prime to 381698981.
381698981 has 4 divisors, whose sum is 382476864
The reverse of 381698981 is 189896183
Previous prime number is 491
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
three hundred eighty-one million six hundred ninety-eight thousand nine hundred eighty-one
Scientific notation
3.81698981 × 10^8
Engineering notation
3.81698981 × 10^6
Prime Factorization
491 × 777391
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
381698981
Product of the distinct prime numbers
The prime factorization of 381698981 is 491 × 777391.
Since it has a total of 2 prime factors.
6 , 8 , 94 , 40 , 710 , 792 , 9228 , 8801 , 15265 , 91497 , 529312 , 335593 , 377273 , 730718 , 12080369 , 38855746 , 835300232 , 256428143 , 8282909799 , 8404554686
n×2
763397962
n×3
1145096943
n×4
1526795924
n×5
1908494905
n÷2
190849490.5
n÷3
127232993.66667
n÷3
95424745.25
n÷5
76339796.2
n2
145694112096438361
n3
5.561129412491E+25
n4
2.122677429957E+34
n5
8.1022381200627E+42
2 √n
19537.118032095
3 √n
725.39351193768
4 √n
139.77524112694
5 √n
52.040828273717
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
-381698980
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 381698981 can be divided by 4 positive divisors.
The sum of these divisors (counting 381698981) is 1, the average is 0.25.
Base
System
Value
2
Binary
10110110000000100001110100101
3
Ternary
222121020022120022
4
Quaternary
112300010032211
5
Quinary
1240203331411
6
Senary
101513044525
8
Octal
2660041645
10
Decimal
381698981
12
Duodecimal
a79b6745
16
Hexadecimal
16c043a5
20
Vigesimal
5j5c791
36
Base36
6b94th
md5
87cab6ffc69a05739ba07fcff5e8204d
sha1
eaecb0ee8ebd9bb90f486e8ba00aaaada12d4dc8
sha256
c652727f91db1122194bc668b694de90cf72431c5ce569dde503b1d3e8db393e
sha512
d05ddb5e5ecbb78e59f76f7fc648f86f526560c147690d20904cd4f1bcf4d7c0adda8c36a9bd75ea1a76f58f18b924bdf83a735a18429a873a90adef8eb7c322
ripemd-160
7b9164f8de8be56b9e2e77ba3b1872b1f97fbc40
Diameter
763397962
Circumference
2398285429.1846
Area
4.5771155223346E+17
Volume
2.3294404410592E+26
Surface area
1.8308462089338E+18
Circumference
2398285429.1846
Perimeter
1526795924
Area
145694112096438361
Diagonal
539803875.67419
Surface area
874164672578630166
Volume
5.561129412491E+25
Space diagonal
661122028.28927
Perimeter
1145096943
Area
6.3087401128667E+16
Altitude
330561014.14463
Surface area
6.3087401128667E+16
Volume
6.5538538643806E+24
Height
179934625.22473