78729838 is an even 8-digits composite number following 78729837
and preceding 78729839 . In scientific notation, it is written as 7.8729838 × 10^7.
The sum of its digits is 52. It has a total of 4 prime factors and 16 positive divisors.
There are 34552000 positive integers (up to 78729838) that are relatively prime to 78729838.
78729838 has 16 divisors, whose sum is 133274160
The reverse of 78729838 is 83892787
Previous prime number is 29
Is Prime? no
Number parity even
Number length 8
Sum of Digits 52
Digital Root 7
Name
seventy-eight million seven hundred twenty-nine thousand eight hundred thirty-eight
Scientific notation
7.8729838 × 10^7
Engineering notation
7.8729838 × 10^6
Prime Factorization
2 × 11 × 29 × 123401
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
78729838
Product of the distinct prime numbers
The prime factorization of 78729838 is 2 × 11 × 29 × 123401.
Since it has a total of 4 prime factors.
7 , 3 , 33 , 83 , 49 , 593 , 5143 , 1808 , 2344 , 16380 , 123191 , 152510 , 6088136 , 5224167 , 26747231 , 76000093 , 596527296 , 221832437 , 3220365617 , 4850214307
n×2
157459676
n×3
236189514
n×4
314919352
n×5
393649190
n÷2
39364919
n÷3
26243279.333333
n÷3
19682459.5
n÷5
15745967.6
n2
6198387391506244
n3
4.8799803519453E+23
n4
3.8420006255184E+31
n5
3.0248008684296E+39
2 √n
8872.9836019233
3 √n
428.59436085756
4 √n
94.196515869343
5 √n
37.951406136432
1 , 2 , 11 , 22 , 29 , 58 , 319 , 638 , 123401 , 246802 , 1357411 , 2714822 , 3578629 , 7157258 , 39364919 , 78729838
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
-78729837
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 78729838 can be divided by 16 positive divisors.
The sum of these divisors (counting 78729838) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100101100010101001001101110
3
Ternary
12111010220000221
4
Quaternary
10230111021232
5
Quinary
130123323323
6
Senary
11451241554
8
Octal
454251156
10
Decimal
78729838
12
Duodecimal
224492ba
16
Hexadecimal
4b1526e
20
Vigesimal
14c14bi
36
Base36
1avgby
md5
d8d1417eae57bb1202bdea573ba420bf
sha1
754edeb3fc865823cabfb8258dae8faf361efee2
sha256
ebf59b5686ee1766e484aea30d553fde40422a30487e46f9b068e150b36b9807
sha512
e3a5892bff7c1bb19b49aee6d731bc3819761d93bc66491984d7676d2efd8f2fcbb42cf2fda643910fa2165be091f07b10bd9f7e1603d322f5d13af8512b14bb
ripemd-160
ca382b790665088b563832850c8cdd9063306081
Diameter
157459676
Circumference
494674161.35823
Area
1.947280829326E+16
Volume
2.0441213897778E+24
Surface area
7.7891233173038E+16
Circumference
494674161.35823
Perimeter
314919352
Area
6198387391506244
Diagonal
111340804.66304
Surface area
37190324349037464
Volume
4.8799803519453E+23
Space diagonal
136364079.48767
Perimeter
236189514
Area
2.6839804717708E+15
Altitude
68182039.743833
Surface area
2.6839804717708E+15
Volume
5.7511119981961E+22
Height
37113601.554346