381640787 is an odd 9-digits composite number following 381640786
and preceding 381640788 . In scientific notation, it is written as 3.81640787 × 10^8.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 346946160 positive integers (up to 381640787) that are relatively prime to 381640787.
381640787 has 4 divisors, whose sum is 416335416
The reverse of 381640787 is 787046183
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
three hundred eighty-one million six hundred forty thousand seven hundred eighty-seven
Scientific notation
3.81640787 × 10^8
Engineering notation
3.81640787 × 10^6
Prime Factorization
11 × 34694617
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
381640787
Product of the distinct prime numbers
The prime factorization of 381640787 is 11 × 34694617.
Since it has a total of 2 prime factors.
8 , 8 , 41 , 2 , 569 , 352 , 1879 , 8550 , 93879 , 39049 , 701316 , 591109 , 6773748 , 8009968 , 22208801 , 40414414 , 709529875 , 764227963 , 9783944242 , 7934768617
n×2
763281574
n×3
1144922361
n×4
1526563148
n×5
1908203935
n÷2
190820393.5
n÷3
127213595.66667
n÷3
95410196.75
n÷5
76328157.4
n2
145649690301979369
n3
5.5585862433154E+25
n4
2.1213832285062E+34
n5
8.0960636485573E+42
2 √n
19535.628656381
3 √n
725.35664545597
4 √n
139.76991327314
5 √n
52.039241343274
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
-381640786
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 381640787 can be divided by 4 positive divisors.
The sum of these divisors (counting 381640787) is 1, the average is 0.25.
Base
System
Value
2
Binary
10110101111110110000001010011
3
Ternary
222121010100201222
4
Quaternary
112233312001103
5
Quinary
1240200001122
6
Senary
101511515255
8
Octal
2657660123
10
Decimal
381640787
12
Duodecimal
a7988b2b
16
Hexadecimal
16bf6053
20
Vigesimal
5j551j7
36
Base36
6b7vwz
md5
b9416d66864ef0cc272904c38ac9e3c0
sha1
332e5a2e5ec67bfc7c80699369b92b04ba93d657
sha256
da1d3e59ea8b99613f1d7501622a7148e6078688faeb76bdc9d3c8b010cbfdca
sha512
709e334eb081eb9fe9201301ea136fc64bf3337a1951ad9eeb55be4a43cc16b91cd2f45099765d2f9f58618f7d0b2c7c9a4c25c032719ab0c00d53d3533dc1b3
ripemd-160
85fef18ca495eeeb8e67da88ffb4a40c4fb3def2
Diameter
763281574
Circumference
2397919785.4989
Area
4.5757199705033E+17
Volume
2.328375160846E+26
Surface area
1.8302879882013E+18
Circumference
2397919785.4989
Perimeter
1526563148
Area
145649690301979369
Diagonal
539721576.93014
Surface area
873898141811876214
Volume
5.5585862433154E+25
Space diagonal
661021233.32457
Perimeter
1144922361
Area
6.3068165927425E+16
Altitude
330510616.66229
Surface area
6.3068165927425E+16
Volume
6.5508567107643E+24
Height
179907192.31005