78864689 is an odd 8-digits composite number following 78864688
and preceding 78864690 . In scientific notation, it is written as 7.8864689 × 10^7.
The sum of its digits is 56. It has a total of 3 prime factors and 8 positive divisors.
There are 75487360 positive integers (up to 78864689) that are relatively prime to 78864689.
78864689 has 8 divisors, whose sum is 82314792
The reverse of 78864689 is 98646887
Previous prime number is 53
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 56
Digital Root 2
Name
seventy-eight million eight hundred sixty-four thousand six hundred eighty-nine
Scientific notation
7.8864689 × 10^7
Engineering notation
7.8864689 × 10^6
Prime Factorization
41 × 53 × 36293
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78864689
Product of the distinct prime numbers
The prime factorization of 78864689 is 41 × 53 × 36293.
Since it has a total of 3 prime factors.
7 , 10 , 70 , 92 , 249 , 105 , 8431 , 3369 , 59373 , 88544 , 274729 , 765521 , 5422349 , 5908412 , 72218259 , 68682875 , 414847073 , 553050327 , 7499885356 , 8702999553
n×2
157729378
n×3
236594067
n×4
315458756
n×5
394323445
n÷2
39432344.5
n÷3
26288229.666667
n÷3
19716172.25
n÷5
15772937.8
n2
6219639171066721
n3
4.9050990891839E+23
n4
3.8683911418268E+31
n5
3.0507946433052E+39
2 √n
8880.5793166887
3 √n
428.83892468278
4 √n
94.236825692978
5 √n
37.964398116183
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
-78864688
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 78864689 can be divided by 8 positive divisors.
The sum of these divisors (counting 78864689) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100110110000100110001
3
Ternary
12111101202000102
4
Quaternary
10230312010301
5
Quinary
130142132224
6
Senary
11454202145
8
Octal
454660461
10
Decimal
78864689
12
Duodecimal
224b3355
16
Hexadecimal
4b36131
20
Vigesimal
14ci1e9
36
Base36
1aycdt
md5
d7439a4f142580eb4ea9ff977734d919
sha1
4918cd6a96ef772e0267c9647db7a50ce75d4820
sha256
551835689b9587bb4276e032ef5184c8d217d2448862e96048f647dc14264655
sha512
319cfb8f0c5a783b38c6914f81322d86f51bd49c027a96d2969e1496712c7413435446d02ee4817281584e452f0e64cd878987d129b8b948d7d05de00e5a4ece
ripemd-160
88ae697f40d0d657b430b94284eeb04d88579405
Diameter
157729378
Circumference
495521455.18009
Area
1.9539572727803E+16
Volume
2.054643101828E+24
Surface area
7.815829091121E+16
Circumference
495521455.18009
Perimeter
315458756
Area
6219639171066721
Diagonal
111531512.77614
Surface area
37317835026400326
Volume
4.9050990891839E+23
Space diagonal
136597648.27112
Perimeter
236594067
Area
2.6931827622583E+15
Altitude
68298824.135559
Surface area
2.6931827622583E+15
Volume
5.7807147139232E+22
Height
37177170.925379