278642020 is an even 9-digits composite number following 278642019
and preceding 278642021 . In scientific notation, it is written as 2.78642020 × 10^8.
The sum of its digits is 31. It has a total of 4 prime factors and 12 positive divisors.
There are 111456800 positive integers (up to 278642020) that are relatively prime to 278642020.
278642020 has 12 divisors, whose sum is 585148284
The reverse of 278642020 is 020246872
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 31
Digital Root 4
Name
two hundred seventy-eight million six hundred forty-two thousand twenty
Scientific notation
2.78642020 × 10^8
Engineering notation
2.78642020 × 10^6
Prime Factorization
2 × 2 × 5 × 13932101
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
139321010
Product of the distinct prime numbers
The prime factorization of 278642020 is 2 × 2 × 5 × 13932101.
Since it has a total of 4 prime factors.
3 , 3 , 34 , 59 , 283 , 479 , 3417 , 7882 , 97442 , 53771 , 366373 , 851631 , 8763925 , 3828797 , 25661105 , 78829155 , 130040563 , 531351442 , 5420178936 , 1730656403
n×2
557284040
n×3
835926060
n×4
1114568080
n×5
1393210100
n÷2
139321010
n÷3
92880673.333333
n÷3
69660505
n÷5
55728404
n2
77641375309680400
n3
2.1634149651867E+25
n4
6.0281831599786E+33
n5
1.6797051326264E+42
2 √n
16692.57379795
3 √n
653.15391841004
4 √n
129.19974379986
5 √n
48.866284819833
1 , 2 , 4 , 5 , 10 , 20 , 13932101 , 27864202 , 55728404 , 69660505 , 139321010 , 278642020
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
-278642019
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 278642020 can be divided by 12 positive divisors.
The sum of these divisors (counting 278642020) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
10000100110111011110101100100
3
Ternary
201102022110222211
4
Quaternary
100212323311210
5
Quinary
1032313021040
6
Senary
43352133204
8
Octal
2046736544
10
Decimal
278642020
12
Duodecimal
79397204
16
Hexadecimal
109bbd64
20
Vigesimal
471a510
36
Base36
4lw9k4
md5
c464e7e37bee888470042db2b52a8904
sha1
7e7826b068b9ca8e06e04f498f4c50d04cfc1149
sha256
de7bd136eb1b51bce1e6c1e1ad9c1891775f7f98bc88464562c1233e39236c67
sha512
457177c73af8590f4f2ca2440b931802a54ce6172d44a01df3aafc2cd09ddc6b10951d5b5b2296560c6b2f3a82692f3ee37c8282b4d55c97036e0303a20449a9
ripemd-160
37b81ce19b9168bc1507af033ae9626de72f3da5
Diameter
557284040
Circumference
1750759446.0268
Area
2.439175742875E+17
Volume
9.0620914150625E+25
Surface area
9.7567029715E+17
Circumference
1750759446.0268
Perimeter
1114568080
Area
77641375309680400
Diagonal
394059323.73104
Surface area
465848251858082400
Volume
2.1634149651867E+25
Space diagonal
482622135.76362
Perimeter
835926060
Area
3.3619701701473E+16
Altitude
241311067.88181
Surface area
3.3619701701473E+16
Volume
2.54960898734E+24
Height
131353107.91035