78931490 is an even 8-digits composite number following 78931489
and preceding 78931491 . In scientific notation, it is written as 7.8931490 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 28702320 positive integers (up to 78931490) that are relatively prime to 78931490.
78931490 has 8 divisors, whose sum is 120550080
The reverse of 78931490 is 09413987
Previous prime number is 55
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-eight million nine hundred thirty-one thousand four hundred ninety
Scientific notation
7.8931490 × 10^7
Engineering notation
7.8931490 × 10^6
Prime Factorization
2 × 55 × 717559
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78931490
Product of the distinct prime numbers
The prime factorization of 78931490 is 2 × 55 × 717559.
Since it has a total of 3 prime factors.
10 , 1 , 25 , 53 , 948 , 44 , 3551 , 3645 , 78998 , 87232 , 221158 , 697237 , 936793 , 3102762 , 78944291 , 24950620 , 822621512 , 332561925 , 764949607 , 7930118949
n×2
157862980
n×3
236794470
n×4
315725960
n×5
394657450
n÷2
39465745
n÷3
26310496.666667
n÷3
19732872.5
n÷5
15786298
n2
6230180113620100
n3
4.917573993364E+23
n4
3.8815144248147E+31
n5
3.0637371700712E+39
2 √n
8884.3395927891
3 √n
428.95997076349
4 √n
94.25677478457
5 √n
37.970827358411
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78931489
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78931490 can be divided by 8 positive divisors.
The sum of these divisors (counting 78931490) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101101000110011000100010
3
Ternary
12111112010122112
4
Quaternary
10231012120202
5
Quinary
130201301430
6
Senary
11455435322
8
Octal
455063042
10
Decimal
78931490
12
Duodecimal
22525b42
16
Hexadecimal
4b46622
20
Vigesimal
14d68ea
36
Base36
1azrxe
md5
ddab5128d677063dd014656cfe67d14d
sha1
748b945707ac90d6524d4a9d48117ab9a82f598d
sha256
a487d5ad72c0f8d4ce8c054ea8f4e99e304187c6c2d5229ae8215649b1cda243
sha512
72157313a624414582510c026be486f5f602ef27e6cb3a0f18d8a6d91092d87e4858f2a26a941d1270e505935dca6c9a7c0f9431133aaf41df51cf3834546b5e
ripemd-160
b4b9dbab146c04555b587bb07c863e5c09fb9f0e
Diameter
157862980
Circumference
495941178.24179
Area
1.957268807549E+16
Volume
2.0598685774716E+24
Surface area
7.8290752301961E+16
Circumference
495941178.24179
Perimeter
315725960
Area
6230180113620100
Diagonal
111625983.65632
Surface area
37381080681720600
Volume
4.917573993364E+23
Space diagonal
136713350.99711
Perimeter
236794470
Area
2.6977471242738E+15
Altitude
68356675.498557
Surface area
2.6977471242738E+15
Volume
5.7954165294905E+22
Height
37208661.218772