71291921 is an odd 8-digits composite number following 71291920
and preceding 71291922 . In scientific notation, it is written as 7.1291921 × 10^7.
The sum of its digits is 32. It has a total of 2 prime factors and 4 positive divisors.
There are 71267892 positive integers (up to 71291921) that are relatively prime to 71291921.
71291921 has 4 divisors, whose sum is 71315952
The reverse of 71291921 is 12919217
Previous prime number is 3467
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 32
Digital Root 5
Name
seventy-one million two hundred ninety-one thousand nine hundred twenty-one
Scientific notation
7.1291921 × 10^7
Engineering notation
7.1291921 × 10^6
Prime Factorization
3467 × 20563
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71291921
Product of the distinct prime numbers
The prime factorization of 71291921 is 3467 × 20563.
Since it has a total of 2 prime factors.
6 , 2 , 39 , 12 , 60 , 470 , 6938 , 626 , 76545 , 92093 , 101711 , 262359 , 9323186 , 7380068 , 8190280 , 10816635 , 379323666 , 5396022 , 9737289582 , 2792631275
n×2
142583842
n×3
213875763
n×4
285167684
n×5
356459605
n÷2
35645960.5
n÷3
23763973.666667
n÷3
17822980.25
n÷5
14258384.2
n2
5082537999870241
n3
3.6234389756625E+23
n4
2.5832192520125E+31
n5
1.8416266284015E+39
2 √n
8443.4543286501
3 √n
414.64850675335
4 √n
91.888270898141
5 √n
37.205578652082
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71291920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71291921 can be divided by 4 positive divisors.
The sum of these divisors (counting 71291921) is 1, the average is 0.25.
Base
System
Value
2
Binary
100001111111101010000010001
3
Ternary
11222011000010112
4
Quaternary
10033331100101
5
Quinary
121222320141
6
Senary
11024011105
8
Octal
417752021
10
Decimal
71291921
12
Duodecimal
1ba60a95
16
Hexadecimal
43fd411
20
Vigesimal
125b9g1
36
Base36
16g175
md5
6cf33f13ee1338ee9a211a25566315ca
sha1
39695c2aa6d79bd24753647f35b21bb88d443b11
sha256
d7980b6bec5cc19674c4f32f8b8850799daedb4743903f02a96c01e334184918
sha512
d17b06120c1d32476c96097f63ea35cc0e41ae850899b114cffd0ac8b2bf4bc17408fc8d82d8b731b8d2498be03259edbef9f3a1d3b422e06dcd186aa1c1db5f
ripemd-160
110413a1b307a7e2e9110d4091d7854f0e4bca32
Diameter
142583842
Circumference
447940350.54781
Area
1.5967264041983E+16
Volume
1.5177825688896E+24
Surface area
6.3869056167933E+16
Circumference
447940350.54781
Perimeter
285167684
Area
5082537999870241
Diagonal
100822001.56583
Surface area
30495227999221446
Volume
3.6234389756625E+23
Space diagonal
123481229.34119
Perimeter
213875763
Area
2.2008035117937E+15
Altitude
61740614.670593
Surface area
2.2008035117937E+15
Volume
4.2702637848443E+22
Height
33607333.855277