80971521 is an odd 8-digits composite number following 80971520
and preceding 80971522 . In scientific notation, it is written as 8.0971521 × 10^7.
The sum of its digits is 33. It has a total of 4 prime factors and 16 positive divisors.
There are 50761728 positive integers (up to 80971521) that are relatively prime to 80971521.
80971521 has 16 divisors, whose sum is 114484800
The reverse of 80971521 is 12517908
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 33
Digital Root 6
Name
eighty million nine hundred seventy-one thousand five hundred twenty-one
Scientific notation
8.0971521 × 10^7
Engineering notation
8.0971521 × 10^6
Prime Factorization
3 × 19 × 137 × 10369
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
80971521
Product of the distinct prime numbers
The prime factorization of 80971521 is 3 × 19 × 137 × 10369.
Since it has a total of 4 prime factors.
6 , 7 , 39 , 70 , 514 , 123 , 2811 , 8789 , 21165 , 94521 , 997242 , 639386 , 4102032 , 6044540 , 66523013 , 87172585 , 750378102 , 54933210 , 6384581150 , 146376465
n×2
161943042
n×3
242914563
n×4
323886084
n×5
404857605
n÷2
40485760.5
n÷3
26990507
n÷3
20242880.25
n÷5
16194304.2
n2
6556387213053441
n3
5.3088064490589E+23
n4
4.2986213287491E+31
n5
3.4806590719185E+39
2 √n
8998.4176942394
3 √n
432.6241567216
4 √n
94.859989954877
5 √n
38.165104816262
1 , 3 , 19 , 57 , 137 , 411 , 2603 , 7809 , 10369 , 31107 , 197011 , 591033 , 1420553 , 4261659 , 26990507 , 80971521
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
-80971520
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 80971521 can be divided by 16 positive divisors.
The sum of these divisors (counting 80971521) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100110100111000011100000001
3
Ternary
12122100210001020
4
Quaternary
10310320130001
5
Quinary
131212042041
6
Senary
12011300053
8
Octal
464703401
10
Decimal
80971521
12
Duodecimal
2314a629
16
Hexadecimal
4d38701
20
Vigesimal
15618g1
36
Base36
1c7i0x
md5
a24a1b9420a0434ea7d5d50fcc4fca4a
sha1
0acb24b57b51fdeb0c2a9bb7b30ad65ed8a9197b
sha256
57d2013a03eba1e6f9beab5841f727282afd4fee64c2613167c3e65ce1988772
sha512
05477015be75589a804c9aa2d902c2ab011dff1b8fd03f9a4fe7b5ef694f463f9c64e03fd39a5bba287b49ac9d372ff6be168a3d504a10ec5713b2b1bb64e8e5
ripemd-160
61cce13cd653fe4580a9ac9bdba92794de143baf
Diameter
161943042
Circumference
508759071.04718
Area
2.0597497902619E+16
Volume
2.2237476452925E+24
Surface area
8.2389991610475E+16
Circumference
508759071.04718
Perimeter
323886084
Area
6556387213053441
Diagonal
114511023.16418
Surface area
39338323278320646
Volume
5.3088064490589E+23
Space diagonal
140246788.33813
Perimeter
242914563
Area
2.8389989417759E+15
Altitude
70123394.169065
Surface area
2.8389989417759E+15
Volume
6.2564884002274E+22
Height
38170341.054726