278320385 is an odd 9-digits composite number following 278320384
and preceding 278320386 . In scientific notation, it is written as 2.78320385 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 190848240 positive integers (up to 278320385) that are relatively prime to 278320385.
278320385 has 8 divisors, whose sum is 381696576
The reverse of 278320385 is 583023872
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 38
Digital Root 2
Name
two hundred seventy-eight million three hundred twenty thousand three hundred eighty-five
Scientific notation
2.78320385 × 10^8
Engineering notation
2.78320385 × 10^6
Prime Factorization
7 × 5 × 7952011
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
278320385
Product of the distinct prime numbers
The prime factorization of 278320385 is 7 × 5 × 7952011.
Since it has a total of 3 prime factors.
9 , 3 , 100 , 21 , 882 , 795 , 7856 , 8648 , 42196 , 37982 , 22940 , 400991 , 5665031 , 279282 , 5284238 , 87090612 , 853366233 , 528943153 , 6113442753 , 4291179530
n×2
556640770
n×3
834961155
n×4
1113281540
n×5
1391601925
n÷2
139160192.5
n÷3
92773461.666667
n÷3
69580096.25
n÷5
55664077
n2
77462236706548225
n3
2.1559319543128E+25
n4
6.0003981155813E+33
n5
1.6700331136819E+42
2 √n
16682.936941678
3 √n
652.90251095573
4 √n
129.16244400629
5 √n
48.854998389009
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-278320384
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 278320385 can be divided by 8 positive divisors.
The sum of these divisors (counting 278320385) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000100101101101010100000001
3
Ternary
201101201010210102
4
Quaternary
100211231110001
5
Quinary
1032222223020
6
Senary
43341212145
8
Octal
2045552401
10
Decimal
278320385
12
Duodecimal
79261055
16
Hexadecimal
1096d501
20
Vigesimal
46ja0j5
36
Base36
4lpddt
md5
6cf5ad34fa3a7a5d9150934e22a2a817
sha1
adca68d002ceb3198494d387a47fe965c98e0098
sha256
57592010b42bb3bed7ae730721518d2c2e45254971c6ceac865fddeadc7c7873
sha512
e7512a7ff4ba535b8492202d4f961489b69ffc71b372e23d2cfdfaf8f98244652410bdf4aed4ae3a23e19d1d4d15a781e904925b1969c32a56e9f47fb8f2a1a1
ripemd-160
9a1fe91e7a7e02926d3b49991f2f55ada6693102
Diameter
556640770
Circumference
1748738553.7206
Area
2.4335479376793E+17
Volume
9.0307466524113E+25
Surface area
9.734191750717E+17
Circumference
1748738553.7206
Perimeter
1113281540
Area
77462236706548225
Diagonal
393604463.1519
Surface area
464773420239289350
Volume
2.1559319543128E+25
Space diagonal
482065047.60213
Perimeter
834961155
Area
3.3542132410917E+16
Altitude
241032523.80107
Surface area
3.3542132410917E+16
Volume
2.5407901744522E+24
Height
131201487.7173