78444881 is an odd 8-digits composite number following 78444880
and preceding 78444882 . In scientific notation, it is written as 7.8444881 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 12 positive divisors.
There are 74612736 positive integers (up to 78444881) that are relatively prime to 78444881.
78444881 has 12 divisors, whose sum is 82465572
The reverse of 78444881 is 18844487
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
seventy-eight million four hundred forty-four thousand eight hundred eighty-one
Scientific notation
7.8444881 × 10^7
Engineering notation
7.8444881 × 10^6
Prime Factorization
23 × 23 × 257 × 577
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
3410647
Product of the distinct prime numbers
The prime factorization of 78444881 is 23 × 23 × 257 × 577.
Since it has a total of 4 prime factors.
10 , 3 , 53 , 98 , 240 , 738 , 6494 , 7280 , 86212 , 32219 , 249910 , 763320 , 3955740 , 502703 , 32064692 , 5503837 , 321936677 , 541830860 , 654396738 , 6488383215
n×2
156889762
n×3
235334643
n×4
313779524
n×5
392224405
n÷2
39222440.5
n÷3
26148293.666667
n÷3
19611220.25
n÷5
15688976.2
n2
6153599355104161
n3
4.8271836913282E+23
n4
3.7866785023138E+31
n5
2.9704554449927E+39
2 √n
8856.9114820009
3 √n
428.07664689852
4 √n
94.111165554364
5 √n
37.923893797651
1 , 23 , 257 , 529 , 577 , 5911 , 13271 , 135953 , 148289 , 305233 , 3410647 , 78444881
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78444880
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78444881 can be divided by 12 positive divisors.
The sum of these divisors (counting 78444881) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
100101011001111100101010001
3
Ternary
12110121102010222
4
Quaternary
10223033211101
5
Quinary
130040214011
6
Senary
11441202425
8
Octal
453174521
10
Decimal
78444881
12
Duodecimal
22330415
16
Hexadecimal
4acf951
20
Vigesimal
14a5c41
36
Base36
1apcgh
md5
ae31c3b58677c91d5cbb685bff55a9ce
sha1
c362fd30cd13995926bf9fc5cbb415357cc55f7f
sha256
497ded19e378cb3ad49e31a2f8c864f3ec9e3826617df1cf263890c78ea600e6
sha512
3fc79cce71d6a570551b032b6a6e6357c54905bbc85bcbac2d9d8e5ba02baf34912dbd505907a58ea45befb625f8b4547a8c5d447a65d3309477e9dbda57e901
ripemd-160
29b8a66e27b493cd1a74862a7cdb60df8237ccdb
Diameter
156889762
Circumference
492883723.72265
Area
1.933210252713E+16
Volume
2.022005976294E+24
Surface area
7.732841010852E+16
Circumference
492883723.72265
Perimeter
313779524
Area
6153599355104161
Diagonal
110937814.60894
Surface area
36921596130624966
Volume
4.8271836913282E+23
Space diagonal
135870519.48569
Perimeter
235334643
Area
2.6645866831159E+15
Altitude
67935259.742847
Surface area
2.6645866831159E+15
Volume
5.6888905369522E+22
Height
36979271.536315