68478839 is an odd 8-digits composite number following 68478838
and preceding 68478840 . In scientific notation, it is written as 6.8478839 × 10^7.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 54051840 positive integers (up to 68478839) that are relatively prime to 68478839.
68478839 has 16 divisors, whose sum is 80777760
The reverse of 68478839 is 93887486
Previous prime number is 289
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 53
Digital Root 8
Name
sixty-eight million four hundred seventy-eight thousand eight hundred thirty-nine
Scientific notation
6.8478839 × 10^7
Engineering notation
6.8478839 × 10^6
Prime Factorization
1657 × 11 × 289 × 13
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
68478839
Product of the distinct prime numbers
The prime factorization of 68478839 is 1657 × 11 × 289 × 13.
Since it has a total of 4 prime factors.
2 , 7 , 100 , 17 , 247 , 711 , 1170 , 8784 , 76176 , 66252 , 34301 , 433396 , 9594432 , 9378121 , 41227661 , 6942998 , 772289267 , 983961142 , 2901126103 , 2121369371
n×2
136957678
n×3
205436517
n×4
273915356
n×5
342394195
n÷2
34239419.5
n÷3
22826279.666667
n÷3
17119709.75
n÷5
13695767.8
n2
4689351390787921
n3
3.2112133890419E+23
n4
2.1990016466285E+31
n5
1.5058507972021E+39
2 √n
8275.1941971171
3 √n
409.12133662044
4 √n
90.96809439093
5 √n
36.907215249907
1 , 11 , 13 , 143 , 289 , 1657 , 3179 , 3757 , 18227 , 21541 , 41327 , 236951 , 478873 , 5267603 , 6225349 , 68478839
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
-68478838
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 68478839 can be divided by 16 positive divisors.
The sum of these divisors (counting 68478839) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100000101001110011101110111
3
Ternary
11202212002022022
4
Quaternary
10011032131313
5
Quinary
120012310324
6
Senary
10443423355
8
Octal
405163567
10
Decimal
68478839
12
Duodecimal
1ab24b5b
16
Hexadecimal
414e777
20
Vigesimal
117jh1j
36
Base36
14rqlz
md5
aea5eed5831db0b31f2538d4a4b3c451
sha1
b607a1b5aaa47a63e48d2e78db63be6b0aa41bff
sha256
ec627c2af97ae9b48ae21f722634950afb3ec4c4b4b537df42dc10de6f567677
sha512
ad7ce63ed10c0ee8b628bc032ef5ac3066d2594d1a93cff6526401bf7ecda0693dc5ec09a9658466e4e17b4d6def5a11032433c000222da85870396f24d47688
ripemd-160
444d6fd05d27fcecfc4ce52a770113bae54addbf
Diameter
136957678
Circumference
430265235.05752
Area
1.47320318794E+16
Volume
1.3451099189498E+24
Surface area
5.8928127517602E+16
Circumference
430265235.05752
Perimeter
273915356
Area
4689351390787921
Diagonal
96843702.849364
Surface area
28136108344727526
Volume
3.2112133890419E+23
Space diagonal
118608828.39133
Perimeter
205436517
Area
2.0305487158471E+15
Altitude
59304414.195665
Surface area
2.0305487158471E+15
Volume
3.7844512720476E+22
Height
32281234.283121