20081521 is an odd 8-digits composite number following 20081520
and preceding 20081522 . In scientific notation, it is written as 2.0081521 × 10^7.
The sum of its digits is 19. It has a total of 3 prime factors and 8 positive divisors.
There are 19382160 positive integers (up to 20081521) that are relatively prime to 20081521.
20081521 has 8 divisors, whose sum is 20784384
The reverse of 20081521 is 12518002
Previous prime number is 557
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 19
Digital Root 1
Name
twenty million eighty-one thousand five hundred twenty-one
Scientific notation
2.0081521 × 10^7
Engineering notation
2.0081521 × 10^6
Prime Factorization
31 × 557 × 1163
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
20081521
Product of the distinct prime numbers
The prime factorization of 20081521 is 31 × 557 × 1163.
Since it has a total of 3 prime factors.
6 , 3 , 44 , 71 , 775 , 331 , 1850 , 3123 , 94945 , 2183 , 813564 , 70151 , 3691611 , 594440 , 60832390 , 7944743 , 212812694 , 520885600 , 7616054608 , 6595954840
n×2
40163042
n×3
60244563
n×4
80326084
n×5
100407605
n÷2
10040760.5
n÷3
6693840.3333333
n÷3
5020380.25
n÷5
4016304.2
n2
403267485673441
n3
8.0982244821684E+21
n4
1.6262466500138E+29
n5
3.2657506253432E+36
2 √n
4481.2410111486
3 √n
271.81006510162
4 √n
66.942072055984
5 √n
28.877481928626
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
-20081520
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 20081521 can be divided by 8 positive divisors.
The sum of these divisors (counting 20081521) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001100100110101101110001
3
Ternary
1101210020200001
4
Quaternary
1030212231301
5
Quinary
20120102041
6
Senary
1554230001
8
Octal
114465561
10
Decimal
20081521
12
Duodecimal
6885301
16
Hexadecimal
1326b71
20
Vigesimal
65a3g1
36
Base36
byf01
md5
8f85dd5f657a92165e224c15683c0a4a
sha1
72a0efb0a592c86759855c3f1c5c1b0188412312
sha256
58d79b5fe91aa4dc6dd34c4636aebcfe72cc560d5ed9711065b16f99881cafe9
sha512
83c0fcb271d3ea4352d377f26f3377754e0d271c3d6c24b679c1aa365aa480b5d373274a09cd290179398fb8223656c6201cd09ea8953c572adc5671a4085d00
ripemd-160
89bc317d9c4c80989cdb0df53f34829ed35f6280
Diameter
40163042
Circumference
126175917.69302
Area
1.2669021704233E+15
Volume
3.3921763387068E+22
Surface area
5.0676086816932E+15
Circumference
126175917.69302
Perimeter
80326084
Area
403267485673441
Diagonal
28399559.35128
Surface area
2419604914040646
Volume
8.0982244821684E+21
Space diagonal
34782214.665261
Perimeter
60244563
Area
1.7461994355674E+14
Altitude
17391107.332631
Surface area
1.7461994355674E+14
Volume
9.543849078187E+20
Height
9466519.78376