816981085 is an odd 9-digits composite number following 816981084
and preceding 816981086 . In scientific notation, it is written as 8.16981085 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 653258304 positive integers (up to 816981085) that are relatively prime to 816981085.
816981085 has 8 divisors, whose sum is 980867160
The reverse of 816981085 is 580189618
Previous prime number is 2053
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 46
Digital Root 1
Name
eight hundred sixteen million nine hundred eighty-one thousand eighty-five
Scientific notation
8.16981085 × 10^8
Engineering notation
8.16981085 × 10^6
Prime Factorization
5 × 2053 × 79589
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
816981085
Product of the distinct prime numbers
The prime factorization of 816981085 is 5 × 2053 × 79589.
Since it has a total of 3 prime factors.
3 , 1 , 79 , 62 , 285 , 91 , 5683 , 7593 , 7955 , 20493 , 565210 , 156386 , 4487333 , 1567733 , 32508782 , 12991498 , 888049294 , 767100167 , 2032334460 , 8955203528
n×2
1633962170
n×3
2450943255
n×4
3267924340
n×5
4084905425
n÷2
408490542.5
n÷3
272327028.33333
n÷3
204245271.25
n÷5
163396217
n2
667458093247777225
n3
5.453006372136E+26
n4
4.4550030624196E+35
n5
3.6396532356139E+44
2 √n
28582.880977956
3 √n
934.84010153267
4 √n
169.06472422701
5 √n
60.595782815855
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-816981084
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 816981085 can be divided by 8 positive divisors.
The sum of these divisors (counting 816981085) is 1, the average is 0.125.
Base
System
Value
2
Binary
110000101100100010010001011101
3
Ternary
2002221021221100201
4
Quaternary
300230202101131
5
Quinary
3133121343320
6
Senary
213022423501
8
Octal
6054422135
10
Decimal
816981085
12
Duodecimal
1a9731b91
16
Hexadecimal
30b2245d
20
Vigesimal
cf62ce5
36
Base36
dieqn1
md5
2f007b1284380a6627203e3288405670
sha1
3f3795bfb0ed9da58532f92ed5877a9742a1fc2b
sha256
f61d4247278bda8bcea83e7dc5bec707482af09c702359b7ae182ff21702d870
sha512
a8fb81f45c79999e129b59cac5f0e40ff05bde3f67a1c10959195c2e63a18f3390135d4e580f63419cf0d4cbf9d98e8c72a8865b60fead02b03042b615f9f664
ripemd-160
62428b979b609965e3b2b5675d6020839f107448
Diameter
1633962170
Circumference
5133243549.5156
Area
2.0968814423263E+18
Volume
2.2841499678241E+27
Surface area
8.3875257693051E+18
Circumference
5133243549.5156
Perimeter
3267924340
Area
667458093247777225
Diagonal
1155385730.6093
Surface area
4004748559486663350
Volume
5.453006372136E+26
Space diagonal
1415052748.0427
Perimeter
2450943255
Area
2.8901783235705E+17
Altitude
707526374.02137
Surface area
2.8901783235705E+17
Volume
6.426429639318E+25
Height
385128576.86976