78985220 is an even 8-digits composite number following 78985219
and preceding 78985221 . In scientific notation, it is written as 7.8985220 × 10^7.
The sum of its digits is 41. It has a total of 5 prime factors and 24 positive divisors.
There are 30220256 positive integers (up to 78985220) that are relatively prime to 78985220.
78985220 has 24 divisors, whose sum is 173081664
The reverse of 78985220 is 02258987
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 41
Digital Root 5
Name
seventy-eight million nine hundred eighty-five thousand two hundred twenty
Scientific notation
7.8985220 × 10^7
Engineering notation
7.8985220 × 10^6
Prime Factorization
2 × 2 × 23 × 5 × 171707
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
39492610
Product of the distinct prime numbers
The prime factorization of 78985220 is 2 × 2 × 23 × 5 × 171707.
Since it has a total of 5 prime factors.
4 , 1 , 43 , 21 , 212 , 224 , 2739 , 340 , 28549 , 79894 , 776333 , 220078 , 5193225 , 323476 , 25158140 , 30138420 , 272775159 , 930259019 , 3437534631 , 8187222749
n×2
157970440
n×3
236955660
n×4
315940880
n×5
394926100
n÷2
39492610
n÷3
26328406.666667
n÷3
19746305
n÷5
15797044
n2
6238664978448400
n3
4.9276232582904E+23
n4
3.8920940713319E+31
n5
3.0741790648484E+39
2 √n
8887.3629384649
3 √n
429.05728212165
4 √n
94.272811236671
5 √n
37.975995428262
1 , 2 , 4 , 5 , 10 , 20 , 23 , 46 , 92 , 115 , 230 , 460 , 171707 , 343414 , 686828 , 858535 , 1717070 , 3434140 , 3949261 , 7898522 , 15797044 , 19746305 , 39492610 , 78985220
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-78985219
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 78985220 can be divided by 24 positive divisors.
The sum of these divisors (counting 78985220) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
100101101010011100000000100
3
Ternary
12111121212100112
4
Quaternary
10231103200010
5
Quinary
130210011340
6
Senary
11500532152
8
Octal
455234004
10
Decimal
78985220
12
Duodecimal
22551058
16
Hexadecimal
4b53804
20
Vigesimal
14dd310
36
Base36
1b0xdw
md5
daf5ed47d2f007fd8b9e41c4ee663153
sha1
8503900d309433064eb3749fe3c254f76b60b921
sha256
84f9a01d7526458a916e6bb65a92d3a250a00e901765c21b6b807da00da1cd2e
sha512
fcc581c41fdb76b8cf695ae1001109ad58e464c22bb60a8baffee7f634d83d8c46cd31944a0f0bf91d90124851c1f52b5152b1f0f98370d4d71e45725c6e337f
ripemd-160
1b0d83d32374976ba4dbe7e8c6ce838634280ef2
Diameter
157970440
Circumference
496278773.78835
Area
1.9599344064501E+16
Volume
2.0640780037205E+24
Surface area
7.8397376258006E+16
Circumference
496278773.78835
Perimeter
315940880
Area
6238664978448400
Diagonal
111701969.35102
Surface area
37431989870690400
Volume
4.9276232582904E+23
Space diagonal
136806414.08701
Perimeter
236955660
Area
2.7014211785183E+15
Altitude
68403207.043503
Surface area
2.7014211785183E+15
Volume
5.8072597017828E+22
Height
37233989.783674