71972521 is an odd 8-digits prime number following 71972520
and preceding 71972522 . In scientific notation, it is written as 7.1972521 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 71972520 positive integers (up to 71972521) that are relatively prime to 71972521.
71972521 has 2 divisors, whose sum is 71972522
The reverse of 71972521 is 12527917
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
seventy-one million nine hundred seventy-two thousand five hundred twenty-one
Scientific notation
7.1972521 × 10^7
Engineering notation
7.1972521 × 10^6
Prime Factorization
71972521
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
71972521
Product of the distinct prime numbers
The prime factorization of 71972521 is 71972521.
Since it has a total of 1 prime factors.
5 , 4 , 49 , 54 , 970 , 810 , 9731 , 5029 , 64450 , 18676 , 932676 , 649732 , 2979223 , 2596570 , 12576423 , 6626030 , 890214065 , 814273850 , 5781501401 , 4366191012
n×2
143945042
n×3
215917563
n×4
287890084
n×5
359862605
n÷2
35986260.5
n÷3
23990840.333333
n÷3
17993130.25
n÷5
14394504.2
n2
5180043779095441
n3
3.7282080967187E+23
n4
2.6832853553345E+31
n5
1.9312281158581E+39
2 √n
8483.6620041112
3 √n
415.96383322473
4 √n
92.106796731355
5 √n
37.276346755919
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
71972522
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
35986261
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8483.662063048
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999722116
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71972521 can be divided by 2 positive divisors.
The sum of these divisors (counting 71972521) is 71972522, the average is 35986261.
Base
System
Value
2
Binary
100010010100011011010101001
3
Ternary
12000102120201221
4
Quaternary
10102203122221
5
Quinary
121411110041
6
Senary
11050342041
8
Octal
422433251
10
Decimal
71972521
12
Duodecimal
2012a921
16
Hexadecimal
44a36a9
20
Vigesimal
129gb61
36
Base36
16umcp
md5
88e66d37449639b92955d65b08225ab6
sha1
40c7d39a82b380d7043ab1c86daf956b1c458d61
sha256
cb7c71cd5bc5acce317380f5ad4d96c63485b786bb136795f0573efb3fe7b231
sha512
81c2bd80dd657769e7a74096c4383afa02e9de32531a841f64b49e758360e8f68e68074f8e250d6ba5a17d8f09dba6fbbd316bebc7bc4ac63e9200022cd045fa
ripemd-160
71dbcc10950286c6fe493e3c79bd1f07ea109997
Diameter
143945042
Circumference
452216686.46787
Area
1.627358748168E+16
Volume
1.561668155694E+24
Surface area
6.5094349926719E+16
Circumference
452216686.46787
Perimeter
287890084
Area
5180043779095441
Diagonal
101784515.31638
Surface area
31080262674572646
Volume
3.7282080967187E+23
Space diagonal
124660063.12082
Perimeter
215917563
Area
2.2430247527061E+15
Altitude
62330031.560409
Surface area
2.2430247527061E+15
Volume
4.3937353781073E+22
Height
33928171.772127