78840881 is an odd 8-digits composite number following 78840880
and preceding 78840882 . In scientific notation, it is written as 7.8840881 × 10^7.
The sum of its digits is 44. It has a total of 2 prime factors and 4 positive divisors.
There are 67577892 positive integers (up to 78840881) that are relatively prime to 78840881.
78840881 has 4 divisors, whose sum is 90103872
The reverse of 78840881 is 18804887
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-eight million eight hundred forty thousand eight hundred eighty-one
Scientific notation
7.8840881 × 10^7
Engineering notation
7.8840881 × 10^6
Prime Factorization
7 × 11262983
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78840881
Product of the distinct prime numbers
The prime factorization of 78840881 is 7 × 11262983.
Since it has a total of 2 prime factors.
9 , 9 , 46 , 19 , 13 , 228 , 8713 , 5248 , 14905 , 79475 , 554870 , 946849 , 7636058 , 5898754 , 33266461 , 61711141 , 872352573 , 726839213 , 966303523 , 3452242871
n×2
157681762
n×3
236522643
n×4
315363524
n×5
394204405
n÷2
39420440.5
n÷3
26280293.666667
n÷3
19710220.25
n÷5
15768176.2
n2
6215884516856161
n3
4.900658115032E+23
n4
3.8637220326892E+31
n5
3.0461924899633E+39
2 √n
8879.2387624165
3 √n
428.79576711416
4 √n
94.22971273657
5 √n
37.962105669295
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
-78840880
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 78840881 can be divided by 4 positive divisors.
The sum of these divisors (counting 78840881) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100110000010000110001
3
Ternary
12111100112100122
4
Quaternary
10230300100301
5
Quinary
130140402011
6
Senary
11453500025
8
Octal
454602061
10
Decimal
78840881
12
Duodecimal
224a1615
16
Hexadecimal
4b30431
20
Vigesimal
14cf241
36
Base36
1axu0h
md5
feb09c092373ac0e735442ef36fc5e89
sha1
2030e0eb3b5880682f9d12466a2a4c150eb26f7b
sha256
af8964cd3a4d927a1bc1a4b55417f066316ed7fcaf69d931e6a60c1c5acf1389
sha512
72d834ffd1171758c1441a042c95cfb2e57ddc937ad7730bccd5f33e98a0b09cb65e685cc31da927cd6a56dc6c4d4102ebcb9a52d79f39519a530b604ce48c9a
ripemd-160
f761ec5b60251a61c2c0cdfe839c597994561a8e
Diameter
157681762
Circumference
495371865.10429
Area
1.9527777133718E+16
Volume
2.0527828709253E+24
Surface area
7.8111108534871E+16
Circumference
495371865.10429
Perimeter
315363524
Area
6215884516856161
Diagonal
111497843.17964
Surface area
37295307101136966
Volume
4.900658115032E+23
Space diagonal
136556411.60549
Perimeter
236522643
Area
2.6915569492939E+15
Altitude
68278205.802746
Surface area
2.6915569492939E+15
Volume
5.7754809756933E+22
Height
37165947.726548