81998522 is an even 8-digits composite number following 81998521
and preceding 81998523 . In scientific notation, it is written as 8.1998522 × 10^7.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 40505212 positive integers (up to 81998522) that are relatively prime to 81998522.
81998522 has 8 divisors, whose sum is 124479936
The reverse of 81998522 is 22589918
Previous prime number is 83
Is Prime? no
Number parity even
Number length 8
Sum of Digits 44
Digital Root 8
Name
eighty-one million nine hundred ninety-eight thousand five hundred twenty-two
Scientific notation
8.1998522 × 10^7
Engineering notation
8.1998522 × 10^6
Prime Factorization
2 × 83 × 493967
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
81998522
Product of the distinct prime numbers
The prime factorization of 81998522 is 2 × 83 × 493967.
Since it has a total of 3 prime factors.
3 , 9 , 33 , 16 , 722 , 200 , 291 , 3270 , 76435 , 95216 , 67107 , 198485 , 620195 , 2902649 , 79130537 , 50656989 , 426325857 , 205455107 , 5640449672 , 2417870748
n×2
163997044
n×3
245995566
n×4
327994088
n×5
409992610
n÷2
40999261
n÷3
27332840.666667
n÷3
20499630.5
n÷5
16399704.4
n2
6723757610184484
n3
5.5133818632138E+23
n4
4.5208916400514E+31
n5
3.7070643260637E+39
2 √n
9055.3035288719
3 √n
434.44553834019
4 √n
95.159358598468
5 √n
38.261430649376
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
-81998521
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 81998522 can be divided by 8 positive divisors.
The sum of these divisors (counting 81998522) is 1, the average is 0.125.
Base
System
Value
2
Binary
100111000110011001010111010
3
Ternary
12201021221211022
4
Quaternary
10320303022322
5
Quinary
131442423042
6
Senary
12045302442
8
Octal
470631272
10
Decimal
81998522
12
Duodecimal
23564a22
16
Hexadecimal
4e332ba
20
Vigesimal
15c9g62
36
Base36
1ctigq
md5
26fea44f6789eb8a739e46addd5da0fa
sha1
97a3dafe852ab28352bc0f6ebf97a20128b773c4
sha256
fc223c26f61d16b0e2450e908ef7620e4da3c1c3852de5d65f45f4e0f53ee178
sha512
f56599aac0fc1fd21e7344b446b8dae80aafcb71a70efe6067e59d7798bf2f518ff42accb0b370a91957dc28b3b13679f0d6fdbab8e934027b09d65086cb4706
ripemd-160
cf276c848925ea32d7b849f47a07aedefd64a80d
Diameter
163997044
Circumference
515211908.64084
Area
2.1123307512674E+16
Volume
2.3094399943877E+24
Surface area
8.4493230050696E+16
Circumference
515211908.64084
Perimeter
327994088
Area
6723757610184484
Diagonal
115963421.90695
Surface area
40342545661106904
Volume
5.5133818632138E+23
Space diagonal
142025606.24955
Perimeter
245995566
Area
2.9114724496544E+15
Altitude
71012803.124777
Surface area
2.9114724496544E+15
Volume
6.4975828379157E+22
Height
38654473.968983