78855213 is an odd 8-digits composite number following 78855212
and preceding 78855214 . In scientific notation, it is written as 7.8855213 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 52570140 positive integers (up to 78855213) that are relatively prime to 78855213.
78855213 has 4 divisors, whose sum is 105140288
The reverse of 78855213 is 31255887
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
seventy-eight million eight hundred fifty-five thousand two hundred thirteen
Scientific notation
7.8855213 × 10^7
Engineering notation
7.8855213 × 10^6
Prime Factorization
3 × 26285071
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78855213
Product of the distinct prime numbers
The prime factorization of 78855213 is 3 × 26285071.
Since it has a total of 2 prime factors.
8 , 5 , 60 , 47 , 298 , 383 , 1228 , 4024 , 46234 , 43744 , 159291 , 934019 , 2546114 , 4666424 , 50985891 , 89849090 , 883881564 , 418147723 , 2805723656 , 8168686661
n×2
157710426
n×3
236565639
n×4
315420852
n×5
394276065
n÷2
39427606.5
n÷3
26285071
n÷3
19713803.25
n÷5
15771042.6
n2
6218144617275369
n3
4.9033311826005E+23
n4
3.8665322481351E+31
n5
3.0489622399806E+39
2 √n
8880.045776909
3 √n
428.82174825706
4 √n
94.233994805001
5 √n
37.9634857486
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
-78855212
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 78855213 can be divided by 4 positive divisors.
The sum of these divisors (counting 78855213) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100110011110000101101
3
Ternary
12111101021000110
4
Quaternary
10230303300231
5
Quinary
130141331323
6
Senary
11454050233
8
Octal
454636055
10
Decimal
78855213
12
Duodecimal
224a9979
16
Hexadecimal
4b33c2d
20
Vigesimal
14cgi0d
36
Base36
1ay52l
md5
5fa71abbf555d9d72ed013a98586fd3a
sha1
430e38353e23bd3ad72969e8e99605ce53693cf3
sha256
a5dca8752c13515df7a714585bc70bdd7896a13ef98273707f9634ee44dda957
sha512
aaf1dc0de100ddfe08e6adceeebf8c53beef4019267616fd385ac5a0995524bf17a323d4752c177a7aa2fd904cdd8d05442ad7a512cbf48f52586f1cd34378d7
ripemd-160
c7bb5a55b898b4c6d5efeca1132c162481934b3e
Diameter
157710426
Circumference
495461915.71612
Area
1.9534877448591E+16
Volume
2.0539025628501E+24
Surface area
7.8139509794365E+16
Circumference
495461915.71612
Perimeter
315420852
Area
6218144617275369
Diagonal
111518111.68842
Surface area
37308867703652214
Volume
4.9033311826005E+23
Space diagonal
136581235.35767
Perimeter
236565639
Area
2.692535601483E+15
Altitude
68290617.678833
Surface area
2.692535601483E+15
Volume
5.7786312160338E+22
Height
37172703.89614