78131512 is an even 8-digits composite number following 78131511
and preceding 78131513 . In scientific notation, it is written as 7.8131512 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 16 positive divisors.
There are 39037920 positive integers (up to 78131512) that are relatively prime to 78131512.
78131512 has 16 divisors, whose sum is 146601000
The reverse of 78131512 is 21513187
Previous prime number is 5011
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
seventy-eight million one hundred thirty-one thousand five hundred twelve
Scientific notation
7.8131512 × 10^7
Engineering notation
7.8131512 × 10^6
Prime Factorization
2 × 2 × 2 × 5011 × 1949
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
19532878
Product of the distinct prime numbers
The prime factorization of 78131512 is 2 × 2 × 2 × 5011 × 1949.
Since it has a total of 5 prime factors.
1 , 4 , 89 , 28 , 819 , 471 , 8456 , 6207 , 72716 , 69954 , 940602 , 115639 , 4341315 , 8936139 , 58359764 , 29926541 , 941692870 , 663206054 , 121083631 , 8242035187
n×2
156263024
n×3
234394536
n×4
312526048
n×5
390657560
n÷2
39065756
n÷3
26043837.333333
n÷3
19532878
n÷5
15626302.4
n2
6104533167406144
n3
4.7695640642359E+23
n4
3.7265325191962E+31
n5
2.9115962024197E+39
2 √n
8839.2031315046
3 √n
427.50586406009
4 √n
94.017036389713
5 √n
37.893545843861
1 , 2 , 4 , 8 , 1949 , 3898 , 5011 , 7796 , 10022 , 15592 , 20044 , 40088 , 9766439 , 19532878 , 39065756 , 78131512
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
-78131511
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 78131512 can be divided by 16 positive divisors.
The sum of these divisors (counting 78131512) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101010000011000100111000
3
Ternary
12110000111021201
4
Quaternary
10222003010320
5
Quinary
130000202022
6
Senary
11430343544
8
Octal
452030470
10
Decimal
78131512
12
Duodecimal
221babb4
16
Hexadecimal
4a83138
20
Vigesimal
14868fc
36
Base36
1aimns
md5
da38d35952956c08a35b7e90e0064b4f
sha1
81b7b484076ba12989bfaa3370976664f2177832
sha256
c1220cfa57abc3e7618ea097b36e3d2d680afca9d37375fa75ed8919a68dec15
sha512
9a5ac323bc129a378881561b25a8d16b51cf2b7e4a834fe6c93e0a3b4fd61f6b7a2d60f353f7963c9c0ffa19d5006f7f4ba8d8101d949d8d0527c0223e976b8d
ripemd-160
deb335a18eb27146de9993d07dab54b34ebbcd86
Diameter
156263024
Circumference
490914768.22613
Area
1.9177956552318E+16
Volume
1.9978703233373E+24
Surface area
7.6711826209273E+16
Circumference
490914768.22613
Perimeter
312526048
Area
6104533167406144
Diagonal
110494643.91912
Surface area
36627199004436864
Volume
4.7695640642359E+23
Space diagonal
135327748.45618
Perimeter
234394536
Area
2.6433404006092E+15
Altitude
67663874.228089
Surface area
2.6433404006092E+15
Volume
5.6209851552081E+22
Height
36831547.973039