71306891 is an odd 8-digits composite number following 71306890
and preceding 71306892 . In scientific notation, it is written as 7.1306891 × 10^7.
The sum of its digits is 35. It has a total of 2 prime factors and 4 positive divisors.
There are 67112352 positive integers (up to 71306891) that are relatively prime to 71306891.
71306891 has 4 divisors, whose sum is 75501432
The reverse of 71306891 is 19860317
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-one million three hundred six thousand eight hundred ninety-one
Scientific notation
7.1306891 × 10^7
Engineering notation
7.1306891 × 10^6
Prime Factorization
17 × 4194523
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71306891
Product of the distinct prime numbers
The prime factorization of 71306891 is 17 × 4194523.
Since it has a total of 2 prime factors.
8 , 4 , 72 , 92 , 534 , 821 , 7315 , 242 , 1436 , 41517 , 756758 , 165804 , 6863348 , 8845538 , 66377126 , 17440277 , 90834768 , 43117481 , 3482570173 , 78824318
n×2
142613782
n×3
213920673
n×4
285227564
n×5
356534455
n÷2
35653445.5
n÷3
23768963.666667
n÷3
17826722.75
n÷5
14261378.2
n2
5084672704085881
n3
3.6257220228093E+23
n4
2.5853896507676E+31
n5
1.8435609801981E+39
2 √n
8444.3407676384
3 √n
414.67752759067
4 √n
91.893094232583
5 √n
37.20714101912
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
-71306890
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 71306891 can be divided by 4 positive divisors.
The sum of these divisors (counting 71306891) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000000000111010001011
3
Ternary
11222011202122222
4
Quaternary
10100000322023
5
Quinary
121223310031
6
Senary
11024204255
8
Octal
420007213
10
Decimal
71306891
12
Duodecimal
1ba6968b
16
Hexadecimal
4400e8b
20
Vigesimal
125d74b
36
Base36
16gcqz
md5
20be2985538d52763e87698b62019245
sha1
90c8da86859191cfb403918f12eb459bbc325c94
sha256
7f2cff8bd3d399f473cec71703b0f50e852d3dce9eca1105d2326f440403b634
sha512
f6269002541b9ec056eca14c615622f9cd031060bc99a7296a47960c3b0b4bd0cc6e10c987477ae57da56efde1e599cfa033ace1120f3f838254c18c16a74fb0
ripemd-160
45ca96f004f69fae4c5b435164333f4cb67ae935
Diameter
142613782
Circumference
448034409.83186
Area
1.5973970413065E+16
Volume
1.5187388894422E+24
Surface area
6.3895881652259E+16
Circumference
448034409.83186
Perimeter
285227564
Area
5084672704085881
Diagonal
100843172.34286
Surface area
30508036224515286
Volume
3.6257220228093E+23
Space diagonal
123507158.14178
Perimeter
213920673
Area
2.2017278658338E+15
Altitude
61753579.070888
Surface area
2.2017278658338E+15
Volume
4.2729543817097E+22
Height
33614390.780953