78016721 is an odd 8-digits composite number following 78016720
and preceding 78016722 . In scientific notation, it is written as 7.8016721 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 77986032 positive integers (up to 78016721) that are relatively prime to 78016721.
78016721 has 4 divisors, whose sum is 78047412
The reverse of 78016721 is 12761087
Previous prime number is 2797
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-eight million sixteen thousand seven hundred twenty-one
Scientific notation
7.8016721 × 10^7
Engineering notation
7.8016721 × 10^6
Prime Factorization
2797 × 27893
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78016721
Product of the distinct prime numbers
The prime factorization of 78016721 is 2797 × 27893.
Since it has a total of 2 prime factors.
4 , 6 , 96 , 14 , 730 , 358 , 6543 , 8074 , 56763 , 28546 , 417809 , 897289 , 8142903 , 9233414 , 34178570 , 21986800 , 306404397 , 877064779 , 7259839599 , 7448378660
n×2
156033442
n×3
234050163
n×4
312066884
n×5
390083605
n÷2
39008360.5
n÷3
26005573.666667
n÷3
19504180.25
n÷5
15603344.2
n2
6086608755591841
n3
4.7485725712117E+23
n4
3.7046806143647E+31
n5
2.89027033885E+39
2 √n
8832.7074558144
3 √n
427.29639723872
4 √n
93.982484835284
5 √n
37.882404637241
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78016720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78016721 can be divided by 4 positive divisors.
The sum of these divisors (counting 78016721) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101001100111000011010001
3
Ternary
12102210122211012
4
Quaternary
10221213003101
5
Quinary
124433013341
6
Senary
11424100305
8
Octal
451470321
10
Decimal
78016721
12
Duodecimal
22164695
16
Hexadecimal
4a670d1
20
Vigesimal
147c1g1
36
Base36
1ag635
md5
93932ce45904a9eade1e01d417697ef8
sha1
d8a7ed06733cbc873f58d97b975a139868e82a1a
sha256
06bb3cae9bd5909e9f1ff55783784bd494216298d272095fe48fdeb571ff272b
sha512
249a04b28ff5f58dfd2b65cdff218494a739f58927d08664c85a086d7cc15ba6c19766a3df849f61a0e71d50de8fa37f88f1dea2f202c9e5ce7c564623ac8f45
ripemd-160
fdefe6765b956ecf65414e8e35041c4292a4d691
Diameter
156033442
Circumference
490193515.10153
Area
1.9121645351843E+16
Volume
1.9890774273009E+24
Surface area
7.6486581407371E+16
Circumference
490193515.10153
Perimeter
312066884
Area
6086608755591841
Diagonal
110332304.93008
Surface area
36519652533551046
Volume
4.7485725712117E+23
Space diagonal
135128924.61193
Perimeter
234050163
Area
2.6355789026197E+15
Altitude
67564462.305963
Surface area
2.6355789026197E+15
Volume
5.5962464434337E+22
Height
36777434.976693