68278613 is an odd 8-digits composite number following 68278612
and preceding 68278614 . In scientific notation, it is written as 6.8278613 × 10^7.
The sum of its digits is 41. It has a total of 4 prime factors and 16 positive divisors.
There are 59105280 positive integers (up to 68278613) that are relatively prime to 68278613.
68278613 has 16 divisors, whose sum is 78137136
The reverse of 68278613 is 31687286
Previous prime number is 521
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixty-eight million two hundred seventy-eight thousand six hundred thirteen
Scientific notation
6.8278613 × 10^7
Engineering notation
6.8278613 × 10^6
Prime Factorization
17 × 13 × 521 × 593
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68278613
Product of the distinct prime numbers
The prime factorization of 68278613 is 17 × 13 × 521 × 593.
Since it has a total of 4 prime factors.
1 , 8 , 84 , 90 , 872 , 204 , 9898 , 1847 , 18614 , 93302 , 534627 , 981341 , 2009623 , 8257097 , 4227756 , 79322471 , 977945672 , 279813832 , 3282402828 , 5172523195
n×2
136557226
n×3
204835839
n×4
273114452
n×5
341393065
n÷2
34139306.5
n÷3
22759537.666667
n÷3
17069653.25
n÷5
13655722.6
n2
4661968993203769
n3
3.1831277670496E+23
n4
2.1733954893593E+31
n5
1.4839642951391E+39
2 √n
8263.0873770038
3 √n
408.72220262543
4 √n
90.901525713289
5 √n
36.885607283973
1 , 13 , 17 , 221 , 521 , 593 , 6773 , 7709 , 8857 , 10081 , 115141 , 131053 , 308953 , 4016389 , 5252201 , 68278613
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
-68278612
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 68278613 can be divided by 16 positive divisors.
The sum of these divisors (counting 68278613) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000100011101100101010101
3
Ternary
11202110220122112
4
Quaternary
10010131211111
5
Quinary
114434403423
6
Senary
10435240405
8
Octal
404354525
10
Decimal
68278613
12
Duodecimal
1aa49105
16
Hexadecimal
411d955
20
Vigesimal
116egad
36
Base36
14ng45
md5
5745d7a00b34c122078b072c2207c880
sha1
74d76ad5acbde47ad25e4f3db90e5dc08ec5fadf
sha256
cf26ae1c4b305d0410568715f0aefde548188a48eccd08c9e5aa6ac16bcbf04f
sha512
cbc5a6df4da80198eba821f1f935f7a755422f7b53a627dd86e1a968acd64ac1573140b8f7a88d36ef3f2dee734bde10177d3a469e63d89e728914e306016b13
ripemd-160
554d8e5156c3a4e3762dac05559fd5533ade87a1
Diameter
136557226
Circumference
429007177.9962
Area
1.4646007540312E+16
Volume
1.3333454411201E+24
Surface area
5.8584030161249E+16
Circumference
429007177.9962
Perimeter
273114452
Area
4661968993203769
Diagonal
96560540.524624
Surface area
27971813959222614
Volume
3.1831277670496E+23
Space diagonal
118262026.78633
Perimeter
204835839
Area
2.0186917898849E+15
Altitude
59131013.393166
Surface area
2.0186917898849E+15
Volume
3.7513520491066E+22
Height
32186846.841541