78974890 is an even 8-digits composite number following 78974889
and preceding 78974891 . In scientific notation, it is written as 7.8974890 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 31553424 positive integers (up to 78974890) that are relatively prime to 78974890.
78974890 has 16 divisors, whose sum is 142319232
The reverse of 78974890 is 09847987
Previous prime number is 967
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-eight million nine hundred seventy-four thousand eight hundred ninety
Scientific notation
7.8974890 × 10^7
Engineering notation
7.8974890 × 10^6
Prime Factorization
2 × 5 × 967 × 8167
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78974890
Product of the distinct prime numbers
The prime factorization of 78974890 is 2 × 5 × 967 × 8167.
Since it has a total of 4 prime factors.
9 , 5 , 62 , 70 , 95 , 469 , 4951 , 3334 , 22167 , 58192 , 164977 , 753929 , 6287031 , 1646176 , 81979490 , 17988560 , 238713641 , 374477969 , 3296113465 , 5151494748
n×2
157949780
n×3
236924670
n×4
315899560
n×5
394874450
n÷2
39487445
n÷3
26324963.333333
n÷3
19743722.5
n÷5
15794978
n2
6237033250512100
n3
4.9256901488554E+23
n4
3.8900583767994E+31
n5
3.0721693240131E+39
2 √n
8886.7817571942
3 √n
429.03857670243
4 √n
94.269728742551
5 √n
37.975002046066
1 , 2 , 5 , 10 , 967 , 1934 , 4835 , 8167 , 9670 , 16334 , 40835 , 81670 , 7897489 , 15794978 , 39487445 , 78974890
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
-78974889
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 78974890 can be divided by 16 positive divisors.
The sum of these divisors (counting 78974890) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101101010000111110101010
3
Ternary
12111121100011221
4
Quaternary
10231100332222
5
Quinary
130204144030
6
Senary
11500412254
8
Octal
455207652
10
Decimal
78974890
12
Duodecimal
2254708a
16
Hexadecimal
4b50faa
20
Vigesimal
14dbh4a
36
Base36
1b0pey
md5
7d493acada85c8a49e55c62aa3d5345a
sha1
d9ac243e53bd17dc1cb95e98a864229f63c5ee93
sha256
cdef59c304e166eedf265bf883ee7a00049c1f9365a172b1edd2202adf42ba0b
sha512
8f21ac82101fb58446ab1f5733cde958db8cb721f1c28e5919a7369c27d4e3f010ab48d46b10858006d9c841f402d7b0f8a340914d7fc72625d6464f9ee8874a
ripemd-160
c943d92aba1cb2e36a57217a99e4e1c9d01f44a7
Diameter
157949780
Circumference
496213868.48412
Area
1.9594217840004E+16
Volume
2.0632682647338E+24
Surface area
7.8376871360016E+16
Circumference
496213868.48412
Perimeter
315899560
Area
6237033250512100
Diagonal
111687360.52492
Surface area
37422199503072600
Volume
4.9256901488554E+23
Space diagonal
136788522.00216
Perimeter
236924670
Area
2.7007146195959E+15
Altitude
68394261.001082
Surface area
2.7007146195959E+15
Volume
5.8049815104657E+22
Height
37229120.174974