381909997 is an odd 9-digits composite number following 381909996
and preceding 381909998 . In scientific notation, it is written as 3.81909997 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 321174672 positive integers (up to 381909997) that are relatively prime to 381909997.
381909997 has 4 divisors, whose sum is 382939776
The reverse of 381909997 is 799909183
Previous prime number is 371
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
three hundred eighty-one million nine hundred nine thousand nine hundred ninety-seven
Scientific notation
3.81909997 × 10^8
Engineering notation
3.81909997 × 10^6
Prime Factorization
371 × 1029407
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
381909997
Product of the distinct prime numbers
The prime factorization of 381909997 is 371 × 1029407.
Since it has a total of 2 prime factors.
4 , 5 , 94 , 82 , 886 , 564 , 3685 , 5001 , 59445 , 56565 , 375373 , 410926 , 1933602 , 5198542 , 37803990 , 16533276 , 438200300 , 298728479 , 7344512988 , 7902319029
n×2
763819994
n×3
1145729991
n×4
1527639988
n×5
1909549985
n÷2
190954998.5
n÷3
127303332.33333
n÷3
95477499.25
n÷5
76381999.4
n2
145855245808540009
n3
5.5703576489174E+25
n4
2.127375272987E+34
n5
8.1246588412433E+42
2 √n
19542.517673012
3 √n
725.52716126717
4 √n
139.79455523379
5 √n
52.046580984836
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
-381909996
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 381909997 can be divided by 4 positive divisors.
The sum of these divisors (counting 381909997) is 1, the average is 0.25.
Base
System
Value
2
Binary
10110110000110111101111101101
3
Ternary
222121122001000201
4
Quaternary
112300313233231
5
Quinary
1240232104442
6
Senary
101521353501
8
Octal
2660675755
10
Decimal
381909997
12
Duodecimal
a7a98891
16
Hexadecimal
16c37bed
20
Vigesimal
5j6iejh
36
Base36
6bdnn1
md5
6a865924eb98ba7719aebc9cdf1dc305
sha1
a3e2953e08d94a9912703dadbd4b70b51eb7c968
sha256
88de9685410dbd9708fece157d92618969c2bc069261ce8e4acdfb6454eedda8
sha512
75c2e581a73e13f56164af140bc91ba8309e5ffb04fd768e7b7721ab1df0b621ebef0f94374a58b071ccbe66c692f3ab0f03a6d19936eb7ec709a7056ec740de
ripemd-160
d1300bf08f8cdacff7b4bcb28039689aebf2560d
Diameter
763819994
Circumference
2399611281.8154
Area
4.5821776871964E+17
Volume
2.3333059556942E+26
Surface area
1.8328710748786E+18
Circumference
2399611281.8154
Perimeter
1527639988
Area
145855245808540009
Diagonal
540102297.36327
Surface area
875131474851240054
Volume
5.5703576489174E+25
Space diagonal
661487518.72248
Perimeter
1145729991
Area
6.315717407271E+16
Altitude
330743759.36124
Surface area
6.315717407271E+16
Volume
6.5647294453064E+24
Height
180034099.12109