71531639 is an odd 8-digits prime number following 71531638
and preceding 71531640 . In scientific notation, it is written as 7.1531639 × 10^7.
The sum of its digits is 35. It has a total of 1 prime factors and 2 positive divisors.
There are 71531638 positive integers (up to 71531639) that are relatively prime to 71531639.
71531639 has 2 divisors, whose sum is 71531640
The reverse of 71531639 is 93613517
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 35
Digital Root 8
Name
seventy-one million five hundred thirty-one thousand six hundred thirty-nine
Scientific notation
7.1531639 × 10^7
Engineering notation
7.1531639 × 10^6
Prime Factorization
71531639
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
71531639
Product of the distinct prime numbers
The prime factorization of 71531639 is 71531639.
Since it has a total of 1 prime factors.
8 , 8 , 76 , 18 , 891 , 722 , 5350 , 4499 , 46569 , 80576 , 161162 , 822510 , 2655113 , 4865024 , 91103431 , 35605779 , 75704241 , 233779726 , 6134596859 , 5531069142
n×2
143063278
n×3
214594917
n×4
286126556
n×5
357658195
n÷2
35765819.5
n÷3
23843879.666667
n÷3
17882909.75
n÷5
14306327.8
n2
5116775378026321
n3
3.6601132918507E+23
n4
2.6181390269176E+31
n5
1.8727977572528E+39
2 √n
8457.6379090145
3 √n
415.11273658527
4 √n
91.965416918614
5 √n
37.230565705673
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
71531640
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
35765820
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
8457.6379681327
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999720403
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71531639 can be divided by 2 positive divisors.
The sum of these divisors (counting 71531639) is 71531640, the average is 35765820.
Base
System
Value
2
Binary
100010000110111110001110111
3
Ternary
11222121011221222
4
Quaternary
10100313301313
5
Quinary
121303003024
6
Senary
11033100555
8
Octal
420676167
10
Decimal
71531639
12
Duodecimal
1bb5775b
16
Hexadecimal
4437c77
20
Vigesimal
127191j
36
Base36
16l65z
md5
ec9ab1f6592e2b216c20bc87d7fba56b
sha1
6654b7bed95f24c7b74329c267f17f9cc32a56ad
sha256
913d53fab14238428db7c21ccec2f5e06607e36472ca3142b3cfd561cf2feedf
sha512
e12043b465b2124edd34fe71a08c10f650fc99100d04e8e90af5f6a48dc532c23895fce62e2b8c4fee518cfd25adb846f665702d4f3adc5320cd27f5e5016e78
ripemd-160
c7e3a78450807f169b219551038921fc1208e5d2
Diameter
143063278
Circumference
449446543.16327
Area
1.6074823937677E+16
Volume
1.5331446705313E+24
Surface area
6.4299295750707E+16
Circumference
449446543.16327
Perimeter
286126556
Area
5116775378026321
Diagonal
101161014.01258
Surface area
30700652268157926
Volume
3.6601132918507E+23
Space diagonal
123896433.09668
Perimeter
214594917
Area
2.2156287314148E+15
Altitude
61948216.548338
Surface area
2.2156287314148E+15
Volume
4.3134848809644E+22
Height
33720338.004192