78881738 is an even 8-digits composite number following 78881737
and preceding 78881739 . In scientific notation, it is written as 7.8881738 × 10^7.
The sum of its digits is 50. It has a total of 3 prime factors and 8 positive divisors.
There are 36406944 positive integers (up to 78881738) that are relatively prime to 78881738.
78881738 has 8 divisors, whose sum is 127424388
The reverse of 78881738 is 83718887
Previous prime number is 13
Is Prime? no
Number parity even
Number length 8
Sum of Digits 50
Digital Root 5
Name
seventy-eight million eight hundred eighty-one thousand seven hundred thirty-eight
Scientific notation
7.8881738 × 10^7
Engineering notation
7.8881738 × 10^6
Prime Factorization
2 × 13 × 3033913
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
78881738
Product of the distinct prime numbers
The prime factorization of 78881738 is 2 × 13 × 3033913.
Since it has a total of 3 prime factors.
3 , 5 , 8 , 65 , 473 , 945 , 8564 , 2915 , 29517 , 98136 , 437272 , 274498 , 6658972 , 9518774 , 9703031 , 648452 , 784841969 , 646525652 , 7554928995 , 286675114
n×2
157763476
n×3
236645214
n×4
315526952
n×5
394408690
n÷2
39440869
n÷3
26293912.666667
n÷3
19720434.5
n÷5
15776347.6
n2
6222328589900644
n3
4.9082809357845E+23
n4
3.8717373080695E+31
n5
3.0540936793996E+39
2 √n
8881.5391684099
3 √n
428.8698246463
4 √n
94.241918318814
5 √n
37.966039406016
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
-78881737
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 78881738 can be divided by 8 positive divisors.
The sum of these divisors (counting 78881738) is 1, the average is 0.125.
Base
System
Value
2
Binary
100101100111010001111001010
3
Ternary
12111102121101212
4
Quaternary
10230322033022
5
Quinary
130143203423
6
Senary
11454413122
8
Octal
454721712
10
Decimal
78881738
12
Duodecimal
225011a2
16
Hexadecimal
4b3a3ca
20
Vigesimal
14d046i
36
Base36
1aypje
md5
8c12b0c869250cbd591f28629db4fe22
sha1
f94db07408186822716a1fb02bc48547a2659127
sha256
6dd18732235111999373c84c69d33d07bf00bac644b1b9158626154cf8639b25
sha512
b7ce777eb326a8fd5f62485abdea8518e71bc67358323199db86c9bb508b8b5efa2f63751887c3a8ba6918b84f825c7280dc479641676c09054428b047d6c63c
ripemd-160
c1a8f877f844ef817bc76e8c04ba4e8018300370
Diameter
157763476
Circumference
495628577.20639
Area
1.9548021786254E+16
Volume
2.0559759106154E+24
Surface area
7.8192087145014E+16
Circumference
495628577.20639
Perimeter
315526952
Area
6222328589900644
Diagonal
111555623.70316
Surface area
37333971539403864
Volume
4.9082809357845E+23
Space diagonal
136627178.00534
Perimeter
236645214
Area
2.6943473147741E+15
Altitude
68313589.002668
Surface area
2.6943473147741E+15
Volume
5.7844645561031E+22
Height
37185207.901054