78342972 is an even 8-digits composite number following 78342971
and preceding 78342973 . In scientific notation, it is written as 7.8342972 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 12 positive divisors.
There are 26114320 positive integers (up to 78342972) that are relatively prime to 78342972.
78342972 has 12 divisors, whose sum is 182800296
The reverse of 78342972 is 27924387
Previous prime number is 3
Is Prime? no
Number parity even
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-eight million three hundred forty-two thousand nine hundred seventy-two
Scientific notation
7.8342972 × 10^7
Engineering notation
7.8342972 × 10^6
Prime Factorization
2 × 2 × 3 × 6528581
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
39171486
Product of the distinct prime numbers
The prime factorization of 78342972 is 2 × 2 × 3 × 6528581.
Since it has a total of 4 prime factors.
10 , 8 , 3 , 79 , 711 , 846 , 4266 , 3604 , 9341 , 44455 , 260023 , 708304 , 8583450 , 6915561 , 73628117 , 12349226 , 641424926 , 571740165 , 7730161315 , 7921188575
n×2
156685944
n×3
235028916
n×4
313371888
n×5
391714860
n÷2
39171486
n÷3
26114324
n÷3
19585743
n÷5
15668594.4
n2
6137621261792784
n3
4.8083949065924E+23
n4
3.7670394753211E+31
n5
2.9512106813797E+39
2 √n
8851.1565346004
3 √n
427.89119282618
4 √n
94.080585322374
5 √n
37.914035165876
1 , 2 , 3 , 4 , 6 , 12 , 6528581 , 13057162 , 19585743 , 26114324 , 39171486 , 78342972
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78342971
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78342972 can be divided by 12 positive divisors.
The sum of these divisors (counting 78342972) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101010110110101100111100
3
Ternary
12110102020100120
4
Quaternary
10222312230330
5
Quinary
130023433342
6
Senary
11435054540
8
Octal
452665474
10
Decimal
78342972
12
Duodecimal
222a1450
16
Hexadecimal
4ab6b3c
20
Vigesimal
149ch8c
36
Base36
1an5to
md5
d7417247b54f05d354663f974456b236
sha1
273c2077b9c7f8fa72ce64acbac631ee06eb0390
sha256
4c98a445ec8e527ba0f564e711956e17af348b2ecb80bb16a89ce4087c4bcac7
sha512
e8b315a1094425295cf48bc80396156b284441092820eeeebbc04b470e6b9b20c1cf354889082db8be0c8ec5d14b9398582939184e241e4a1bd23fd5a51c7367
ripemd-160
ead0239db54b0759bde00881fbff0a198668c113
Diameter
156685944
Circumference
492243410.59118
Area
1.9281905866565E+16
Volume
2.0141357485479E+24
Surface area
7.7127623466259E+16
Circumference
492243410.59118
Perimeter
313371888
Area
6137621261792784
Diagonal
110793693.51902
Surface area
36825727570756704
Volume
4.8083949065924E+23
Space diagonal
135694007.91995
Perimeter
235028916
Area
2.65766796576E+15
Altitude
67847003.959973
Surface area
2.65766796576E+15
Volume
5.6667477417905E+22
Height
36931231.173005