78440145 is an odd 8-digits composite number following 78440144
and preceding 78440146 . In scientific notation, it is written as 7.8440145 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 35858304 positive integers (up to 78440145) that are relatively prime to 78440145.
78440145 has 16 divisors, whose sum is 143433600
The reverse of 78440145 is 54104487
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
seventy-eight million four hundred forty thousand one hundred forty-five
Scientific notation
7.8440145 × 10^7
Engineering notation
7.8440145 × 10^6
Prime Factorization
5 × 3 × 7 × 747049
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78440145
Product of the distinct prime numbers
The prime factorization of 78440145 is 5 × 3 × 7 × 747049.
Since it has a total of 4 prime factors.
8 , 5 , 93 , 85 , 768 , 717 , 7253 , 5705 , 4614 , 95508 , 76333 , 237321 , 9254565 , 3086147 , 50846253 , 1307254 , 761162646 , 888540088 , 8687480255 , 9058872336
n×2
156880290
n×3
235320435
n×4
313760580
n×5
392200725
n÷2
39220072.5
n÷3
26146715
n÷3
19610036.25
n÷5
15688029
n2
6152856347621025
n3
4.8263094407156E+23
n4
3.785764123446E+31
n5
2.969558867789E+39
2 √n
8856.6441161424
3 √n
428.06803188215
4 √n
94.109745064698
5 √n
37.92343586618
1 , 3 , 5 , 7 , 15 , 21 , 35 , 105 , 747049 , 2241147 , 3735245 , 5229343 , 11205735 , 15688029 , 26146715 , 78440145
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
-78440144
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 78440145 can be divided by 16 positive divisors.
The sum of these divisors (counting 78440145) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101011001110011011010001
3
Ternary
12110121011122120
4
Quaternary
10223032123101
5
Quinary
130040041040
6
Senary
11441124453
8
Octal
453163321
10
Decimal
78440145
12
Duodecimal
22329729
16
Hexadecimal
4ace6d1
20
Vigesimal
14a5075
36
Base36
1ap8sx
md5
a4c2fc3fa1c864a399431e5e1811e70e
sha1
9fdb8d4770da64d96687ce688d9ca45919f53cb4
sha256
eced9026de22009f892d8afb31a6702cc4c232396c91813d145391e99bc9cd6c
sha512
176941425ca5ecc8c2593b6f91988df47468010144fc49af846610b3af2e357b91d692a076ce41f07743cc2e7a610ffef499892cfb00179541eec1cea05a8f83
ripemd-160
67e656aa6ebbdc304274281416df83be0c1a8ed0
Diameter
156880290
Circumference
492853966.55704
Area
1.932976830028E+16
Volume
2.0216397710538E+24
Surface area
7.7319073201118E+16
Circumference
492853966.55704
Perimeter
313760580
Area
6152856347621025
Diagonal
110931116.89351
Surface area
36917138085726150
Volume
4.8263094407156E+23
Space diagonal
135862316.49307
Perimeter
235320435
Area
2.6642649514381E+15
Altitude
67931158.246535
Surface area
2.6642649514381E+15
Volume
5.6878602227245E+22
Height
36977038.964504