388289281 is an odd 9-digits prime number following 388289280
and preceding 388289282 . In scientific notation, it is written as 3.88289281 × 10^8.
The sum of its digits is 49. It has a total of 1 prime factors and 2 positive divisors.
There are 388289280 positive integers (up to 388289281) that are relatively prime to 388289281.
388289281 has 2 divisors, whose sum is 388289282
The reverse of 388289281 is 182982883
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
three hundred eighty-eight million two hundred eighty-nine thousand two hundred eighty-one
Scientific notation
3.88289281 × 10^8
Engineering notation
3.88289281 × 10^6
Prime Factorization
388289281
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
388289281
Product of the distinct prime numbers
The prime factorization of 388289281 is 388289281.
Since it has a total of 1 prime factors.
4 , 2 , 28 , 5 , 999 , 298 , 8804 , 2398 , 71312 , 78033 , 903078 , 309308 , 1442462 , 6113201 , 63450592 , 87745600 , 835156236 , 60605570 , 8507887675 , 3287248988
n×2
776578562
n×3
1164867843
n×4
1553157124
n×5
1941446405
n÷2
194144640.5
n÷3
129429760.33333
n÷3
97072320.25
n÷5
77657856.2
n2
150768565739496961
n3
5.8541817988391E+25
n4
2.2731160415145E+34
n5
8.8262659338923E+42
2 √n
19705.057244271
3 √n
729.54452164629
4 √n
140.37470300688
5 √n
52.219304152471
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
388289282
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
194144641
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
19705.057269645
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999948492
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 388289281 can be divided by 2 positive divisors.
The sum of these divisors (counting 388289281) is 388289282, the average is 194144641.
Base
System
Value
2
Binary
10111001001001101001100000001
3
Ternary
1000001122010202111
4
Quaternary
113021031030001
5
Quinary
1243400224111
6
Senary
102310215321
8
Octal
2711151401
10
Decimal
388289281
12
Duodecimal
aa054541
16
Hexadecimal
1724d301
20
Vigesimal
616g341
36
Base36
6f6dxd
md5
bb2395142638474b70c72faf0e47d5c4
sha1
c36c01cebbcd6418755deff7a37e43875cdb7a9f
sha256
6c928945f637e0bc370bcb07f2bb0acdff1a36b0a6ea0f34b7eb247b45a847df
sha512
0471210735f858a952f8696a5bde201e7f61531222552c254f2152fd78cea5185de7a7a1ccae699c2bdff7f85971532321f37b871e75f6e81a5dffbeb5844f06
ripemd-160
324a1a537af25d4f808d0b7eeba04d1b38278be5
Diameter
776578562
Circumference
2439693505.3145
Area
4.7365341851947E+17
Volume
2.4521939376016E+26
Surface area
1.8946136740779E+18
Circumference
2439693505.3145
Perimeter
1553157124
Area
150768565739496961
Diagonal
549123967.3143
Surface area
904611394436981766
Volume
5.8541817988391E+25
Space diagonal
672536762.72639
Perimeter
1164867843
Area
6.5284704011274E+16
Altitude
336268381.36319
Surface area
6.5284704011274E+16
Volume
6.8992194137633E+24
Height
183041322.4381