842793721 is an odd 9-digits composite number following 842793720
and preceding 842793722 . In scientific notation, it is written as 8.42793721 × 10^8.
The sum of its digits is 43. It has a total of 4 prime factors and 16 positive divisors.
There are 654151680 positive integers (up to 842793721) that are relatively prime to 842793721.
842793721 has 16 divisors, whose sum is 1054869120
The reverse of 842793721 is 127397248
Previous prime number is 257
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 43
Digital Root 7
Name
eight hundred forty-two million seven hundred ninety-three thousand seven hundred twenty-one
Scientific notation
8.42793721 × 10^8
Engineering notation
8.42793721 × 10^6
Prime Factorization
11 × 7 × 257 × 42589
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
842793721
Product of the distinct prime numbers
The prime factorization of 842793721 is 11 × 7 × 257 × 42589.
Since it has a total of 4 prime factors.
4 , 1 , 35 , 78 , 652 , 26 , 8529 , 3367 , 37892 , 96252 , 834816 , 53963 , 5128011 , 5796376 , 28391258 , 79060462 , 338269448 , 734038786 , 8265747877 , 3783407158
n×2
1685587442
n×3
2528381163
n×4
3371174884
n×5
4213968605
n÷2
421396860.5
n÷3
280931240.33333
n÷3
210698430.25
n÷5
168558744.2
n2
710301256157025841
n3
5.9863743870755E+26
n4
5.0452787449825E+35
n5
4.252129246966E+44
2 √n
29030.909751505
3 √n
944.58366401298
4 √n
170.3845936448
5 √n
60.973939887994
1 , 7 , 11 , 77 , 257 , 1799 , 2827 , 19789 , 42589 , 298123 , 468479 , 3279353 , 10945373 , 76617611 , 120399103 , 842793721
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-842793720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 842793721 can be divided by 16 positive divisors.
The sum of these divisors (counting 842793721) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110010001111000000001011111001
3
Ternary
2011201212100122021
4
Quaternary
302033000023321
5
Quinary
3211223344341
6
Senary
215343554441
8
Octal
6217001371
10
Decimal
842793721
12
Duodecimal
1b62bba21
16
Hexadecimal
323c02f9
20
Vigesimal
d379461
36
Base36
dxrzsp
md5
02f68c63f7c8bb75af258e79e9b09576
sha1
e7e67e165265f714bbf65f902e673fba2212791c
sha256
b78efb96c907b8a153e8cbf02d7542c6ff4a19f230a80f4582d076352b433d17
sha512
b7408cd644fa260b30c14607eb5b19960dd4f3f1ef7042286563f3297fac5c2bdb5cd1617f2eeac5def617691f6dcab0a963c7a1fbfe0c351f4dccfe36c04ec7
ripemd-160
99d0a7fb2832bfb29a3cc66645899ec8beb45198
Diameter
1685587442
Circumference
5295429124.7704
Area
2.2314772081785E+18
Volume
2.5075666394766E+27
Surface area
8.9259088327141E+18
Circumference
5295429124.7704
Perimeter
3371174884
Area
710301256157025841
Diagonal
1191890310.5211
Surface area
4261807536942155046
Volume
5.9863743870755E+26
Space diagonal
1459761545.072
Perimeter
2528381163
Area
3.0756946608599E+17
Altitude
729880772.53601
Surface area
3.0756946608599E+17
Volume
7.0550098730376E+25
Height
397296770.1737