78312013 is an odd 8-digits composite number following 78312012
and preceding 78312014 . In scientific notation, it is written as 7.8312013 × 10^7.
The sum of its digits is 25. It has a total of 3 prime factors and 8 positive divisors.
There are 68035584 positive integers (up to 78312013) that are relatively prime to 78312013.
78312013 has 8 divisors, whose sum is 89297208
The reverse of 78312013 is 31021387
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 25
Digital Root 7
Name
seventy-eight million three hundred twelve thousand thirteen
Scientific notation
7.8312013 × 10^7
Engineering notation
7.8312013 × 10^6
Prime Factorization
17 × 13 × 354353
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78312013
Product of the distinct prime numbers
The prime factorization of 78312013 is 17 × 13 × 354353.
Since it has a total of 3 prime factors.
10 , 8 , 7 , 62 , 179 , 734 , 6668 , 9542 , 91344 , 54936 , 456593 , 332736 , 9483351 , 9730726 , 39547578 , 882710 , 526495355 , 17490803 , 3805915426 , 1043447525
n×2
156624026
n×3
234936039
n×4
313248052
n×5
391560065
n÷2
39156006.5
n÷3
26104004.333333
n÷3
19578003.25
n÷5
15662402.6
n2
6132771380112169
n3
4.8026967204537E+23
n4
3.7610884800723E+31
n5
2.9453840994557E+39
2 √n
8849.4074942902
3 √n
427.83482176763
4 √n
94.071289426106
5 √n
37.911038174143
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
-78312012
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 78312013 can be divided by 8 positive divisors.
The sum of these divisors (counting 78312013) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101010101111001001001101
3
Ternary
12110100122212221
4
Quaternary
10222233021031
5
Quinary
130021441023
6
Senary
11434255341
8
Octal
452571115
10
Decimal
78312013
12
Duodecimal
22287551
16
Hexadecimal
4aaf24d
20
Vigesimal
149900d
36
Base36
1amhxp
md5
eab9c549b6dbdcbe7bff5d98e21edb94
sha1
ad9ae341d3ed5481f2841e2c08fac58f35f1b3f3
sha256
6a490b2ec38f7d43c1ed1fe35d1835312b220f01739f69af5462ba5328ccc459
sha512
5cd15b84a0fec96a43f39cfadc70b51cf7cc1bc1a6ace814cc5ef999a715e975506e033fd76079df6d6cc6a85a97366bba1511568256b9e9cc2838e59d6de09d
ripemd-160
a8f323e906e3ef611f64f6343163749d269ed2ad
Diameter
156624026
Circumference
492048889.45726
Area
1.9266669513906E+16
Volume
2.0117488979196E+24
Surface area
7.7066678055625E+16
Circumference
492048889.45726
Perimeter
313248052
Area
6132771380112169
Diagonal
110749910.88134
Surface area
36796628280673014
Volume
4.8026967204537E+23
Space diagonal
135640385.35899
Perimeter
234936039
Area
2.6555679053896E+15
Altitude
67820192.679497
Surface area
2.6555679053896E+15
Volume
5.6600323650254E+22
Height
36916636.960446