78397744 is an even 8-digits composite number following 78397743
and preceding 78397745 . In scientific notation, it is written as 7.8397744 × 10^7.
The sum of its digits is 49. It has a total of 6 prime factors and 20 positive divisors.
There are 36892928 positive integers (up to 78397744) that are relatively prime to 78397744.
78397744 has 20 divisors, whose sum is 160831224
The reverse of 78397744 is 44779387
Previous prime number is 17
Is Prime? no
Number parity even
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-eight million three hundred ninety-seven thousand seven hundred forty-four
Scientific notation
7.8397744 × 10^7
Engineering notation
7.8397744 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 17 × 288227
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
9799718
Product of the distinct prime numbers
The prime factorization of 78397744 is 2 × 2 × 2 × 2 × 17 × 288227.
Since it has a total of 6 prime factors.
2 , 1 , 33 , 100 , 373 , 19 , 930 , 1545 , 95968 , 98458 , 680750 , 234316 , 133980 , 9041338 , 64417154 , 30824000 , 39966305 , 642239587 , 2477289751 , 6833670991
n×2
156795488
n×3
235193232
n×4
313590976
n×5
391988720
n÷2
39198872
n÷3
26132581.333333
n÷3
19599436
n÷5
15679548.8
n2
6146206264289536
n3
4.8184870527897E+23
n4
3.7775851443192E+31
n5
2.9615415308254E+39
2 √n
8854.2500529407
3 √n
427.99088692857
4 √n
94.097024676345
5 √n
37.919335059384
1 , 2 , 4 , 8 , 16 , 17 , 34 , 68 , 136 , 272 , 288227 , 576454 , 1152908 , 2305816 , 4611632 , 4899859 , 9799718 , 19599436 , 39198872 , 78397744
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78397743
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78397744 can be divided by 20 positive divisors.
The sum of these divisors (counting 78397744) is 1, the average is 0.05.
Base
System
Value
2
Binary
100101011000100000100110000
3
Ternary
12110112000111011
4
Quaternary
10223010010300
5
Quinary
130032211434
6
Senary
11440200304
8
Octal
453040460
10
Decimal
78397744
12
Duodecimal
22309094
16
Hexadecimal
4ac4130
20
Vigesimal
149je74
36
Base36
1aoc34
md5
f030729ceb91eef8b9a22f80256d8c91
sha1
1e030d60e72ab04a0171b2acf0026949d35bc893
sha256
73daf573c290d7eec619befd77e9fe308cc6c9d8bacb3128d4546b7f486c5d87
sha512
e9618648f9f955a9ba4f1a5baab2e8a243a763859d6a327a56a8f640fc113d3b9c6b80cd7cc4308409c211b8558bab8e1c90f1766aa682b4f4e3be2cdbe7687a
ripemd-160
be7635f0a6d1a6e57e2aa930b3d95bcd1eee6dd3
Diameter
156795488
Circumference
492587553.21683
Area
1.930887644734E+16
Volume
2.0183631368615E+24
Surface area
7.7235505789358E+16
Circumference
492587553.21683
Perimeter
313590976
Area
6146206264289536
Diagonal
110871152.82425
Surface area
36877237585737216
Volume
4.8184870527897E+23
Space diagonal
135788875.80678
Perimeter
235193232
Area
2.6613853808869E+15
Altitude
67894437.903389
Surface area
2.6613853808869E+15
Volume
5.6786414501453E+22
Height
36957050.941418