278320389 is an odd 9-digits composite number following 278320388
and preceding 278320390 . In scientific notation, it is written as 2.78320389 × 10^8.
The sum of its digits is 42. It has a total of 3 prime factors and 8 positive divisors.
There are 185450640 positive integers (up to 278320389) that are relatively prime to 278320389.
278320389 has 8 divisors, whose sum is 371286432
The reverse of 278320389 is 983023872
Previous prime number is 2011
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
two hundred seventy-eight million three hundred twenty thousand three hundred eighty-nine
Scientific notation
2.78320389 × 10^8
Engineering notation
2.78320389 × 10^6
Prime Factorization
3 × 2011 × 46133
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
278320389
Product of the distinct prime numbers
The prime factorization of 278320389 is 3 × 2011 × 46133.
Since it has a total of 3 prime factors.
6 , 8 , 95 , 39 , 772 , 74 , 2738 , 9657 , 9445 , 94550 , 520617 , 928001 , 4724175 , 2709391 , 47508244 , 85644172 , 830777866 , 759676325 , 6743230437 , 1127155337
n×2
556640778
n×3
834961167
n×4
1113281556
n×5
1391601945
n÷2
139160194.5
n÷3
92773463
n÷3
69580097.25
n÷5
55664077.8
n2
77462238933111321
n3
2.1559320472674E+25
n4
6.0003984605304E+33
n5
1.6700332336898E+42
2 √n
16682.937061561
3 √n
652.90251408355
4 √n
129.16244447037
5 √n
48.854998529437
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
-278320388
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 278320389 can be divided by 8 positive divisors.
The sum of these divisors (counting 278320389) is 1, the average is 0.125.
Base
System
Value
2
Binary
10000100101101101010100000101
3
Ternary
201101201010210120
4
Quaternary
100211231110011
5
Quinary
1032222223024
6
Senary
43341212153
8
Octal
2045552405
10
Decimal
278320389
12
Duodecimal
79261059
16
Hexadecimal
1096d505
20
Vigesimal
46ja0j9
36
Base36
4lpddx
md5
b48ee7ac4e5e0555f6877a0e8616daff
sha1
2f75092334233469fdf5635950acc4ef0036d071
sha256
5fb94992236d689b990829eb1f0f84b5c2b3db74f57f77eee8e979a969de491f
sha512
4548146a5da4f2ae3346c2049076912c7a9a93f7b41b11c3ce26070af485c062847ff0d70f2053265131f11bb71028cb8ac79b1a5fd25e70bb924a1d338c7936
ripemd-160
e92197b5c4198f58a630eece89881539786e2397
Diameter
556640778
Circumference
1748738578.8533
Area
2.4335480076288E+17
Volume
9.030747041779E+25
Surface area
9.7341920305152E+17
Circumference
1748738578.8533
Perimeter
1113281556
Area
77462238933111321
Diagonal
393604468.80876
Surface area
464773433598667926
Volume
2.1559320472674E+25
Space diagonal
482065054.53033
Perimeter
834961167
Area
3.3542133375047E+16
Altitude
241032527.26517
Surface area
3.3542133375047E+16
Volume
2.5407902840003E+24
Height
131201489.60292