8420978081 is an odd 10-digits composite number following 8420978080
and preceding 8420978082 . In scientific notation, it is written as 8.420978081 × 10^9.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 8282929200 positive integers (up to 8420978081) that are relatively prime to 8420978081.
8420978081 has 4 divisors, whose sum is 8559026964
The reverse of 8420978081 is 1808790248
Previous prime number is 61
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 47
Digital Root 2
Name
eight billion four hundred twenty million nine hundred seventy-eight thousand eighty-one
Scientific notation
8.420978081 × 10^9
Engineering notation
8.420978081 × 10^9
Prime Factorization
61 × 138048821
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
8420978081
Product of the distinct prime numbers
The prime factorization of 8420978081 is 61 × 138048821.
Since it has a total of 2 prime factors.
4 , 3 , 50 , 10 , 524 , 12 , 7404 , 7522 , 83903 , 22816 , 636169 , 229575 , 9069555 , 1049128 , 34294803 , 96583267 , 52568718 , 630317497 , 3602629373 , 1819922271
n×2
16841956162
n×3
25262934243
n×4
33683912324
n×5
42104890405
n÷2
4210489040.5
n÷3
2806992693.6667
n÷3
2105244520.25
n÷5
1684195616.2
n2
7.0912871840682E+19
n3
5.9715573943115E+29
n4
5.0286353926931E+39
n5
4.2346028419209E+49
2 √n
91765.887349276
3 √n
2034.4835326664
4 √n
302.92884865802
5 √n
96.621217892381
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
-8420978080
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 8420978081 can be divided by 4 positive divisors.
The sum of these divisors (counting 8420978081) is 1, the average is 0.25.
Base
System
Value
2
Binary
111110101111011011110110110100001
3
Ternary
210201212120000021002
4
Quaternary
13311323132312201
5
Quinary
114221232244311
6
Senary
3511334441345
8
Octal
76573366641
10
Decimal
8420978081
12
Duodecimal
1770203255
16
Hexadecimal
1f5ededa1
20
Vigesimal
6bbb2541
36
Base36
3v9ms9t
md5
0b681f8459dae691e18f675b76c921e8
sha1
110ca0141954b1c6319291a87eda32329ac2a0ac
sha256
deaa5ea363e52e434ca749787ae68520d029bc3987dfbda719db45553daeb46f
sha512
c016845c7bb3739e5a7ff1c5638a6e0140929866b68283fdd810a948aaf32a31f326721e110127877f38d8c8be941690739d62a01e3c7ab83e28a03ad77c5532
ripemd-160
b11412e35729714195599fa6985447f6326880c4
Diameter
16841956162
Circumference
52910565750.621
Area
2.2277935721964E+20
Volume
2.5013601120612E+30
Surface area
8.9111742887857E+20
Circumference
52910565750.621
Perimeter
33683912324
Area
7.0912871840682E+19
Diagonal
11909061410.597
Surface area
4.2547723104409E+20
Volume
5.9715573943115E+29
Space diagonal
14585561885.716
Perimeter
25262934243
Area
3.0706174234671E+19
Altitude
7292780942.8579
Surface area
3.0706174234671E+19
Volume
7.0375478796039E+28
Height
3969687136.8656