387639812 is an even 9-digits composite number following 387639811
and preceding 387639813 . In scientific notation, it is written as 3.87639812 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 12 positive divisors.
There are 166131336 positive integers (up to 387639812) that are relatively prime to 387639812.
387639812 has 12 divisors, whose sum is 775279680
The reverse of 387639812 is 218936783
Previous prime number is 7
Is Prime? no Number parity even Number length 9 Sum of Digits 47 Digital Root 2
Name
three hundred eighty-seven million six hundred thirty-nine thousand eight hundred twelve
Scientific notation
3.87639812 × 10^8
Engineering notation
3.87639812 × 10^6
Prime Factorization
2 × 2 × 7 × 13844279
Composite number
ω Distinct Factors
3 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
193819906 Product of the distinct prime numbers
The prime factorization of 387639812 is 2 × 2 × 7 × 13844279.
Since it has a total of 4 prime factors.
9 , 10 , 50 , 36 , 541 , 281 , 4141 , 509 , 91848 , 14023 , 815616 , 492162 , 7284440 , 4359081 , 5105643 , 7932683 , 743407584 , 894987344 , 1628808432 , 5034094186
n×2
775279624
n×3
1162919436
n×4
1550559248
n×5
1938199060
n÷2
193819906
n÷3
129213270.66667
n÷3
96909953
n÷5
77527962.4
n2
150264623847395344
n3
5.8248550538455E+25
n4
2.2579457179999E+34
n5
8.7526965363169E+42
2 √n19688.570593113
3 √n729.13753902186
4 √n140.31596699276
5 √n52.201823611725
1 , 2 , 4 , 7 , 14 , 28 , 13844279 , 27688558 , 55377116 , 96909953 , 193819906 , 387639812
12 divisors
τ Total Divisors
12 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-387639811 Sum of the proper positive divisors of n
A Arithmetic Mean
0.083333333333333 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
12 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 387639812 can be divided by 12 positive divisors.
The sum of these divisors (counting 387639812) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10111000110101110101000000100
3
Ternary
1000000102010212002
4
Quaternary
113012232220010
5
Quinary
1243213433222
6
Senary
102244244432
8
Octal
2706565004
10
Decimal
387639812
12
Duodecimal
a99a0718
16
Hexadecimal
171aea04
20
Vigesimal
612ejac
36
Base36
6esgsk
md5
a9621aa7b1108a29f7f13ca8a8cc23cc
sha1
cd1d443548e82b397f44d6a568419f9c7bf77a1a
sha256
b97a50075a6dae622ea72cbff9c67d64f696a1c9dc0fdcd30032f39ff3e286a7
sha512
dd1278ba0ed84c91099c72283a8b4275bbe6c30815709bca793029bb8d4082f1894b2c6a427ebea3983048214a3562ec4505a35fac413245ef36d2b7542cbdec
ripemd-160
86675ddf89fe8e5f55c6c2a7bade4e1cddabc712
Diameter
775279624
Circumference
2435612771.2363
Area
4.7207023837341E+17
Volume
2.4399095793849E+26
Surface area
1.8882809534936E+18
Circumference
2435612771.2363
Perimeter
1550559248
Area
150264623847395344
Diagonal
548205479.44616
Surface area
901587743084372064
Volume
5.8248550538455E+25
Space diagonal
671411849.42045
Perimeter
1162919436
Area
6.5066490770979E+16
Altitude
335705924.71022
Surface area
6.5066490770979E+16
Volume
6.8646575133381E+24
Height
182735159.81539