78729870 is an even 8-digits composite number following 78729869
and preceding 78729871 . In scientific notation, it is written as 7.8729870 × 10^7.
The sum of its digits is 48. It has a total of 5 prime factors and 32 positive divisors.
There are 20956320 positive integers (up to 78729870) that are relatively prime to 78729870.
78729870 has 32 divisors, whose sum is 189296640
The reverse of 78729870 is 07892787
Previous prime number is 4159
Is Prime? no
Number parity even
Number length 8
Sum of Digits 48
Digital Root 3
Name
seventy-eight million seven hundred twenty-nine thousand eight hundred seventy
Scientific notation
7.8729870 × 10^7
Engineering notation
7.8729870 × 10^6
Prime Factorization
2 × 3 × 5 × 4159 × 631
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
78729870
Product of the distinct prime numbers
The prime factorization of 78729870 is 2 × 3 × 5 × 4159 × 631.
Since it has a total of 5 prime factors.
4 , 2 , 3 , 15 , 918 , 930 , 8102 , 6059 , 57071 , 13167 , 201509 , 547136 , 9757061 , 4127363 , 44777955 , 1145701 , 516389292 , 33580864 , 6745837891 , 5756187314
n×2
157459740
n×3
236189610
n×4
314919480
n×5
393649350
n÷2
39364935
n÷3
26243290
n÷3
19682467.5
n÷5
15745974
n2
6198392430216900
n3
4.8799863023996E+23
n4
3.842006871897E+31
n5
3.0248070156356E+39
2 √n
8872.9854051497
3 √n
428.59441892541
4 √n
94.196525440962
5 √n
37.951409221526
1 , 2 , 3 , 5 , 6 , 10 , 15 , 30 , 631 , 1262 , 1893 , 3155 , 3786 , 4159 , 6310 , 8318 , 9465 , 12477 , 18930 , 20795 , 24954 , 41590 , 62385 , 124770 , 2624329 , 5248658 , 7872987 , 13121645 , 15745974 , 26243290 , 39364935 , 78729870
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
-78729869
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 78729870 can be divided by 32 positive divisors.
The sum of these divisors (counting 78729870) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100101100010101001010001110
3
Ternary
12111010220002010
4
Quaternary
10230111022032
5
Quinary
130123323440
6
Senary
11451242050
8
Octal
454251216
10
Decimal
78729870
12
Duodecimal
22449326
16
Hexadecimal
4b1528e
20
Vigesimal
14c14da
36
Base36
1avgcu
md5
1f96c6d0c4b8f67abd986ae571ea8631
sha1
1af5425e8efa4533a347b8a63d66d268bf7d0497
sha256
4d684ac262a5f5944586ee155c39c49fc44c6ce5fc164ab1fbfbc836a20bffc4
sha512
60a8066e1c378e0b529b3e16d556665396639571f037433585bbbb9edb43a078a418aecefc451461400376b89e3a8c642976a3741df950ca10883a139afe99c3
ripemd-160
5dd98b160a22f8660e1d27ae918884b7312c9d47
Diameter
157459740
Circumference
494674362.42016
Area
1.9472824122836E+16
Volume
2.0441238822983E+24
Surface area
7.7891296491344E+16
Circumference
494674362.42016
Perimeter
314919480
Area
6198392430216900
Diagonal
111340849.91787
Surface area
37190354581301400
Volume
4.8799863023996E+23
Space diagonal
136364134.91329
Perimeter
236189610
Area
2.6839826535965E+15
Altitude
68182067.456646
Surface area
2.6839826535965E+15
Volume
5.7511190108737E+22
Height
37113616.63929