68278515 is an odd 8-digits composite number following 68278514
and preceding 68278516 . In scientific notation, it is written as 6.8278515 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 35627904 positive integers (up to 68278515) that are relatively prime to 68278515.
68278515 has 16 divisors, whose sum is 83575680
The reverse of 68278515 is 51587286
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
sixty-eight million two hundred seventy-eight thousand five hundred fifteen
Scientific notation
6.8278515 × 10^7
Engineering notation
6.8278515 × 10^6
Prime Factorization
1101 × 5 × 79 × 157
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68278515
Product of the distinct prime numbers
The prime factorization of 68278515 is 1101 × 5 × 79 × 157.
Since it has a total of 4 prime factors.
1 , 10 , 97 , 2 , 733 , 110 , 2015 , 181 , 91086 , 33816 , 435706 , 539584 , 3002942 , 6578922 , 31911634 , 53598974 , 204101550 , 398609496 , 9758885337 , 3829648117
n×2
136557030
n×3
204835545
n×4
273114060
n×5
341392575
n÷2
34139257.5
n÷3
22759505
n÷3
17069628.75
n÷5
13655703
n2
4661955610605225
n3
3.1831140608804E+23
n4
2.1733830115254E+31
n5
1.4839536455318E+39
2 √n
8263.0814470148
3 √n
408.72200707959
4 √n
90.90149309563
5 √n
36.885596695616
1 , 5 , 79 , 157 , 395 , 785 , 1101 , 5505 , 12403 , 62015 , 86979 , 172857 , 434895 , 864285 , 13655703 , 68278515
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-68278514
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 68278515 can be divided by 16 positive divisors.
The sum of these divisors (counting 68278515) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100011101100011110011
3
Ternary
11202110220111220
4
Quaternary
10010131203303
5
Quinary
114434403030
6
Senary
10435240123
8
Octal
404354363
10
Decimal
68278515
12
Duodecimal
1aa49043
16
Hexadecimal
411d8f3
20
Vigesimal
116eg5f
36
Base36
14ng1f
md5
20201d43e77ce2fee66746204afa03ca
sha1
d54e02ba30a95f922838992c2707607b37f34b8b
sha256
d7127516bec110cf0b5a846ca7812b136cad389ba6a416e1372c1b2b68eb4c4c
sha512
2844704cbea7b0a2e4e7074d9075ac154f4c6f00de18a5c0d50e9155f2e052bbbbb97450c5a117df3712ba61dbd533cb989c0f3811bcd91b866f5d5862c4458a
ripemd-160
94185120807edd5d1418b5047e4cf8308e0a78af
Diameter
136557030
Circumference
429006562.24404
Area
1.4645965497639E+16
Volume
1.3333396998934E+24
Surface area
5.8583861990556E+16
Circumference
429006562.24404
Perimeter
273114060
Area
4661955610605225
Diagonal
96560401.931695
Surface area
27971733663631350
Volume
3.1831140608804E+23
Space diagonal
118261857.04535
Perimeter
204835545
Area
2.0186859950498E+15
Altitude
59130928.522677
Surface area
2.0186859950498E+15
Volume
3.7513358962313E+22
Height
32186800.643898