80972021 is an odd 8-digits composite number following 80972020
and preceding 80972022 . In scientific notation, it is written as 8.0972021 × 10^7.
The sum of its digits is 29. It has a total of 4 prime factors and 16 positive divisors.
There are 71668800 positive integers (up to 80972021) that are relatively prime to 80972021.
80972021 has 16 divisors, whose sum is 90857088
The reverse of 80972021 is 12027908
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
eighty million nine hundred seventy-two thousand twenty-one
Scientific notation
8.0972021 × 10^7
Engineering notation
8.0972021 × 10^6
Prime Factorization
13 × 71 × 37 × 2371
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80972021
Product of the distinct prime numbers
The prime factorization of 80972021 is 13 × 71 × 37 × 2371.
Since it has a total of 4 prime factors.
2 , 4 , 51 , 14 , 296 , 324 , 1625 , 1605 , 5663 , 64341 , 64380 , 397574 , 1872443 , 1412646 , 6366676 , 68432839 , 473866803 , 808511979 , 6903419252 , 6844614891
n×2
161944042
n×3
242916063
n×4
323888084
n×5
404860105
n÷2
40486010.5
n÷3
26990673.666667
n÷3
20243005.25
n÷5
16194404.2
n2
6556468184824441
n3
5.3089047954744E+23
n4
4.2987275058615E+31
n5
3.480766538779E+39
2 √n
8998.4454768588
3 √n
432.62504720602
4 √n
94.860136394899
5 √n
38.165151950131
1 , 13 , 37 , 71 , 481 , 923 , 2371 , 2627 , 30823 , 34151 , 87727 , 168341 , 1140451 , 2188433 , 6228617 , 80972021
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
-80972020
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 80972021 can be divided by 16 positive divisors.
The sum of these divisors (counting 80972021) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100111000100011110101
3
Ternary
12122100210201202
4
Quaternary
10310320203311
5
Quinary
131212101041
6
Senary
12011302245
8
Octal
464704365
10
Decimal
80972021
12
Duodecimal
2314a985
16
Hexadecimal
4d388f5
20
Vigesimal
1561a11
36
Base36
1c7iet
md5
d4893a348a9a8f2c64d424d4fb894c3a
sha1
ea718227e44dfdedccaa879f56db6ab5940b0fd5
sha256
005d63b9abf7dc8e8c40c8a848173dce6542352edbe2b5b29c7d4168f6ba8605
sha512
2f7dad52ca44cc743427e927857480d175133fab71c501ecc09bffc6fe5568b646814a4079eb2afff3d70b3f5cb88adf0c4269b41d59018a43b9af0e424b32e9
ripemd-160
c9adb7bf9f5dec219f061980fc60156e1eec92d8
Diameter
161944042
Circumference
508762212.63984
Area
2.059775228294E+16
Volume
2.2237888405427E+24
Surface area
8.2391009131759E+16
Circumference
508762212.63984
Perimeter
323888084
Area
6556468184824441
Diagonal
114511730.27096
Surface area
39338809108946646
Volume
5.3089047954744E+23
Space diagonal
140247654.36353
Perimeter
242916063
Area
2.8390340035812E+15
Altitude
70123827.181767
Surface area
2.8390340035812E+15
Volume
6.2566043025895E+22
Height
38170576.756986