78996921 is an odd 8-digits composite number following 78996920
and preceding 78996922 . In scientific notation, it is written as 7.8996921 × 10^7.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 52249680 positive integers (up to 78996921) that are relatively prime to 78996921.
78996921 has 8 divisors, whose sum is 106159104
The reverse of 78996921 is 12969987
Previous prime number is 127
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 51
Digital Root 6
Name
seventy-eight million nine hundred ninety-six thousand nine hundred twenty-one
Scientific notation
7.8996921 × 10^7
Engineering notation
7.8996921 × 10^6
Prime Factorization
3 × 127 × 207341
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78996921
Product of the distinct prime numbers
The prime factorization of 78996921 is 3 × 127 × 207341.
Since it has a total of 3 prime factors.
2 , 8 , 16 , 45 , 986 , 777 , 1186 , 9628 , 49202 , 82223 , 875078 , 740789 , 9404921 , 1649049 , 82669425 , 13184916 , 420375686 , 32189000 , 5755425197 , 4464333851
n×2
157993842
n×3
236990763
n×4
315987684
n×5
394984605
n÷2
39498460.5
n÷3
26332307
n÷3
19749230.25
n÷5
15799384.2
n2
6240513527480241
n3
4.9298135412979E+23
n4
3.8944009086664E+31
n5
3.0764568092425E+39
2 √n
8888.0212083455
3 √n
429.07846815861
4 √n
94.276302474936
5 √n
37.977120526841
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78996920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78996921 can be divided by 8 positive divisors.
The sum of these divisors (counting 78996921) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101101010110010110111001
3
Ternary
12111122110101220
4
Quaternary
10231112112321
5
Quinary
130210400141
6
Senary
11501102253
8
Octal
455262671
10
Decimal
78996921
12
Duodecimal
22557989
16
Hexadecimal
4b565b9
20
Vigesimal
14dec61
36
Base36
1b16ex
md5
a19d7c62603c09d286f3966d20ef29a4
sha1
1a34523b7bc5a73d50f5d3b51e59b7de3466ad39
sha256
67ea6930dcdb6cb998ef2f3f9286b48bb0cd08fed6d008b26223a67d9d3f1b99
sha512
00ffb0b7d443a65bad9ede996670f06a6f4c9384961acd909a33e2cd06148d4451e9c643b2367d31e1a78fe53e5dbe3fd6d49bc4d63df43f725cfffe972014b8
ripemd-160
5b348a19e4623e9444c094a3ac8685a22b0a370c
Diameter
157993842
Circumference
496352293.33963
Area
1.960515145256E+16
Volume
2.0649954673212E+24
Surface area
7.8420605810239E+16
Circumference
496352293.33963
Perimeter
315987684
Area
6240513527480241
Diagonal
111718517.06392
Surface area
37443081164881446
Volume
4.9298135412979E+23
Space diagonal
136826680.8135
Perimeter
236990763
Area
2.7022216237292E+15
Altitude
68413340.406752
Surface area
2.7022216237292E+15
Volume
5.8098409750617E+22
Height
37239505.687972