78381085 is an odd 8-digits composite number following 78381084
and preceding 78381086 . In scientific notation, it is written as 7.8381085 × 10^7.
The sum of its digits is 40. It has a total of 2 prime factors and 4 positive divisors.
There are 62704864 positive integers (up to 78381085) that are relatively prime to 78381085.
78381085 has 4 divisors, whose sum is 94057308
The reverse of 78381085 is 58018387
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
seventy-eight million three hundred eighty-one thousand eighty-five
Scientific notation
7.8381085 × 10^7
Engineering notation
7.8381085 × 10^6
Prime Factorization
5 × 15676217
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78381085
Product of the distinct prime numbers
The prime factorization of 78381085 is 5 × 15676217.
Since it has a total of 2 prime factors.
9 , 9 , 46 , 46 , 439 , 865 , 44 , 2367 , 73823 , 81155 , 628092 , 624995 , 5824269 , 5937482 , 70875811 , 89791168 , 607419006 , 654981964 , 5269731185 , 9021869348
n×2
156762170
n×3
235143255
n×4
313524340
n×5
391905425
n÷2
39190542.5
n÷3
26127028.333333
n÷3
19595271.25
n÷5
15676217
n2
6143594485777225
n3
4.8154160159524E+23
n4
3.7743753205672E+31
n5
2.9583963282328E+39
2 √n
8853.3092682906
3 √n
427.96056970726
4 √n
94.092025529747
5 √n
37.917723401012
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78381084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78381085 can be divided by 4 positive divisors.
The sum of these divisors (counting 78381085) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101011000000000000011101
3
Ternary
12110111011122011
4
Quaternary
10223000000131
5
Quinary
130031143320
6
Senary
11435551221
8
Octal
453000035
10
Decimal
78381085
12
Duodecimal
222bb511
16
Hexadecimal
4ac001d
20
Vigesimal
149hce5
36
Base36
1anz8d
md5
ba125b7836fd723c27e92f7156b5dd33
sha1
40af316da503f0cebae2df3a120683de0a62cd27
sha256
968578c5d69b54b3a46ce1857c54d7d5761b0144cc75a17e03f7121d650b8927
sha512
51ebe85794f21c6a41bace22f1f78bce25d02eafb2126d9211befce572886f5ed033f813d8dadf1e5d700288aeaf48e8889e10abd3e751cdd975820b6ee26c22
ripemd-160
b41c6ab835fe1eeee9ab3301a1c7874627a1445e
Diameter
156762170
Circumference
492482881.63279
Area
1.9300671303152E+16
Volume
2.0170767439593E+24
Surface area
7.720268521261E+16
Circumference
492482881.63279
Perimeter
313524340
Area
6143594485777225
Diagonal
110847593.44052
Surface area
36861566914663350
Volume
4.8154160159524E+23
Space diagonal
135760021.57237
Perimeter
235143255
Area
2.6602544476165E+15
Altitude
67880010.786187
Surface area
2.6602544476165E+15
Volume
5.6750221985237E+22
Height
36949197.813506