78835981 is an odd 8-digits composite number following 78835980
and preceding 78835982 . In scientific notation, it is written as 7.8835981 × 10^7.
The sum of its digits is 49. It has a total of 2 prime factors and 4 positive divisors.
There are 67573692 positive integers (up to 78835981) that are relatively prime to 78835981.
78835981 has 4 divisors, whose sum is 90098272
The reverse of 78835981 is 18953887
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 49
Digital Root 4
Name
seventy-eight million eight hundred thirty-five thousand nine hundred eighty-one
Scientific notation
7.8835981 × 10^7
Engineering notation
7.8835981 × 10^6
Prime Factorization
7 × 11262283
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
78835981
Product of the distinct prime numbers
The prime factorization of 78835981 is 7 × 11262283.
Since it has a total of 2 prime factors.
8 , 9 , 49 , 55 , 994 , 278 , 1329 , 4298 , 74727 , 78662 , 22536 , 120203 , 7703841 , 3737961 , 71191337 , 76610705 , 334123065 , 578298510 , 9001042664 , 2282960706
n×2
157671962
n×3
236507943
n×4
315343924
n×5
394179905
n÷2
39417990.5
n÷3
26278660.333333
n÷3
19708995.25
n÷5
15767196.2
n2
6215111900232361
n3
4.8997444367959E+23
n4
3.862761593241E+31
n5
3.0452459957228E+39
2 √n
8878.9628335747
3 √n
428.78688363999
4 √n
94.228248596558
5 √n
37.961633784811
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
-78835980
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 78835981 can be divided by 4 positive divisors.
The sum of these divisors (counting 78835981) is 1, the average is 0.25.
Base
System
Value
2
Binary
100101100101111000100001101
3
Ternary
12111100021122011
4
Quaternary
10230233010031
5
Quinary
130140222411
6
Senary
11453421221
8
Octal
454570415
10
Decimal
78835981
12
Duodecimal
2249a811
16
Hexadecimal
4b2f10d
20
Vigesimal
14ce9j1
36
Base36
1axq8d
md5
56df6bf862224dfe7a5a5e9982944a87
sha1
ff85785cada4782211d61acd3268176fab71166f
sha256
a0ecaa7fabb89d53df2f6d09a91e47ee49131e4764ed466311b725aef2dfb60e
sha512
064d2467faebbb270b014926529aff6c529774e2f492dc4019b6bf49d3780beba62ba166a017440f692751fa89476df5c1622b34927bed1a9f356f8d9d050d27
ripemd-160
f165f49d037075c99ec8c1fb48837ef6464fea74
Diameter
157671962
Circumference
495341077.49629
Area
1.9525349887008E+16
Volume
2.0524001502807E+24
Surface area
7.8101399548034E+16
Circumference
495341077.49629
Perimeter
315343924
Area
6215111900232361
Diagonal
111490913.53319
Surface area
37290671401394166
Volume
4.8997444367959E+23
Space diagonal
136547924.55653
Perimeter
236507943
Area
2.6912223964821E+15
Altitude
68273962.278267
Surface area
2.6912223964821E+15
Volume
5.7744041955658E+22
Height
37163637.844396