78168321 is an odd 8-digits composite number following 78168320
and preceding 78168322 . In scientific notation, it is written as 7.8168321 × 10^7.
The sum of its digits is 36. It has a total of 5 prime factors and 32 positive divisors.
There are 39852000 positive integers (up to 78168321) that are relatively prime to 78168321.
78168321 has 32 divisors, whose sum is 97241088
The reverse of 78168321 is 12386187
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 36
Digital Root 9
Name
seventy-eight million one hundred sixty-eight thousand three hundred twenty-one
Scientific notation
7.8168321 × 10^7
Engineering notation
7.8168321 × 10^6
Prime Factorization
27 × 33 × 7 × 151 × 83
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78168321
Product of the distinct prime numbers
The prime factorization of 78168321 is 27 × 33 × 7 × 151 × 83.
Since it has a total of 5 prime factors.
1 , 5 , 29 , 81 , 580 , 298 , 6554 , 7227 , 87219 , 60836 , 109312 , 6483 , 3529314 , 1945060 , 12971154 , 79123170 , 843160964 , 573450850 , 6118411070 , 9554336110
n×2
156336642
n×3
234504963
n×4
312673284
n×5
390841605
n÷2
39084160.5
n÷3
26056107
n÷3
19542080.25
n÷5
15633664.2
n2
6110286407959041
n3
4.7763082933928E+23
n4
3.7335599987289E+31
n5
2.918461164534E+39
2 √n
8841.2850310348
3 √n
427.5729884611
4 √n
94.028107664862
5 √n
37.897115621837
1 , 7 , 27 , 33 , 83 , 151 , 189 , 231 , 581 , 891 , 1057 , 2241 , 2739 , 4077 , 4983 , 6237 , 12533 , 15687 , 19173 , 28539 , 34881 , 73953 , 87731 , 134541 , 338391 , 413589 , 517671 , 941787 , 2368737 , 2895123 , 11166903 , 78168321
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78168320
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78168321 can be divided by 32 positive divisors.
The sum of these divisors (counting 78168321) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101010001100000100000001
3
Ternary
12110002100210000
4
Quaternary
10222030010001
5
Quinary
130002341241
6
Senary
11431230213
8
Octal
452140401
10
Decimal
78168321
12
Duodecimal
22218369
16
Hexadecimal
4a8c101
20
Vigesimal
148b0g1
36
Base36
1ajf29
md5
94960811651a1517d93c8bbd31180c62
sha1
d0bc556632c77bda08ce7c6c839ed6f220dfa6e7
sha256
ad1c9212fc6e6fc915faa767fdaac4e4ccec9739606e16c2e7722fd377e51be9
sha512
1f32424097a3cd2a36f45549a774e13692c1266a80ca407f171d68f8d8de02a16f94cfcdfe2e10046beac1b1bf4f9fd620c7d801932e343d5b1f87ee29f7c7ce
ripemd-160
d9200419fe89eb90a24beea065077c7448bc2d88
Diameter
156336642
Circumference
491146045.9941
Area
1.9196030890574E+16
Volume
2.0006953394404E+24
Surface area
7.6784123562295E+16
Circumference
491146045.9941
Perimeter
312673284
Area
6110286407959041
Diagonal
110546699.70613
Surface area
36661718447754246
Volume
4.7763082933928E+23
Space diagonal
135391503.51435
Perimeter
234504963
Area
2.6458316268456E+15
Altitude
67695751.757177
Surface area
2.6458316268456E+15
Volume
5.6289333054927E+22
Height
36848899.902045