78216942 is an even 8-digits composite number following 78216941
and preceding 78216943 . In scientific notation, it is written as 7.8216942 × 10^7.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 26040960 positive integers (up to 78216942) that are relatively prime to 78216942.
78216942 has 16 divisors, whose sum is 156622032
The reverse of 78216942 is 24961287
Previous prime number is 881
Is Prime? no
Number parity even
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million two hundred sixteen thousand nine hundred forty-two
Scientific notation
7.8216942 × 10^7
Engineering notation
7.8216942 × 10^6
Prime Factorization
2 × 3 × 881 × 14797
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78216942
Product of the distinct prime numbers
The prime factorization of 78216942 is 2 × 3 × 881 × 14797.
Since it has a total of 4 prime factors.
5 , 4 , 34 , 29 , 68 , 436 , 8375 , 1541 , 31642 , 30275 , 326118 , 616322 , 7650963 , 1617824 , 74778722 , 20971919 , 941588655 , 59082424 , 2371260839 , 6893437389
n×2
156433884
n×3
234650826
n×4
312867768
n×5
391084710
n÷2
39108471
n÷3
26072314
n÷3
19554235.5
n÷5
15643388.4
n2
6117890015831364
n3
4.7852264853066E+23
n4
3.7428578245809E+31
n5
2.9275489337949E+39
2 √n
8844.0342604492
3 √n
427.66162077493
4 √n
94.042725717884
5 √n
37.90182888001
1 , 2 , 3 , 6 , 881 , 1762 , 2643 , 5286 , 14797 , 29594 , 44391 , 88782 , 13036157 , 26072314 , 39108471 , 78216942
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78216941
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78216942 can be divided by 16 positive divisors.
The sum of these divisors (counting 78216942) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010010111111011101110
3
Ternary
12110011211110210
4
Quaternary
10222113323232
5
Quinary
130010420232
6
Senary
11432243250
8
Octal
452277356
10
Decimal
78216942
12
Duodecimal
22240526
16
Hexadecimal
4a97eee
20
Vigesimal
148h272
36
Base36
1akgku
md5
fab9be90ba988ee9a8cb8cb18a35458e
sha1
82c77380dd169a8009f2e1ed72aef9afa9196e6a
sha256
2e645792ac13d57fb79b29c6d736fc54cc7ed47b3d034e7d11967f9e606d56cf
sha512
df16f6af261d456cf242655847a1b48a4e4f4ca8d7e9ac16da4aeefb4341ed4d7cadc87567021c2c56f708afa0e91ddc549f7518d53485611a2f0f16fdb09de3
ripemd-160
d03c7a5ce53dcaea0b206cc3f7a9db47580ca828
Diameter
156433884
Circumference
491451540.74692
Area
1.9219918329206E+16
Volume
2.0044309829337E+24
Surface area
7.6879673316825E+16
Circumference
491451540.74692
Perimeter
312867768
Area
6117890015831364
Diagonal
110615460.18375
Surface area
36707340094988184
Volume
4.7852264853066E+23
Space diagonal
135475717.55667
Perimeter
234650826
Area
2.6491240856346E+15
Altitude
67737858.778334
Surface area
2.6491240856346E+15
Volume
5.6394434954563E+22
Height
36871820.06125