71388771 is an odd 8-digits composite number following 71388770
and preceding 71388772 . In scientific notation, it is written as 7.1388771 × 10^7.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 47592512 positive integers (up to 71388771) that are relatively prime to 71388771.
71388771 has 4 divisors, whose sum is 95185032
The reverse of 71388771 is 17788317
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
seventy-one million three hundred eighty-eight thousand seven hundred seventy-one
Scientific notation
7.1388771 × 10^7
Engineering notation
7.1388771 × 10^6
Prime Factorization
3 × 23796257
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
71388771
Product of the distinct prime numbers
The prime factorization of 71388771 is 3 × 23796257.
Since it has a total of 2 prime factors.
7 , 5 , 22 , 42 , 972 , 946 , 2705 , 882 , 62796 , 92685 , 473075 , 779011 , 1693549 , 5660969 , 11877737 , 80926922 , 646908025 , 380043829 , 4538131768 , 9336858764
n×2
142777542
n×3
214166313
n×4
285555084
n×5
356943855
n÷2
35694385.5
n÷3
23796257
n÷3
17847192.75
n÷5
14277754.2
n2
5096356624890441
n3
3.6382263602864E+23
n4
2.5972850848065E+31
n5
1.8541699014096E+39
2 √n
8449.1875940826
3 √n
414.83618831128
4 √n
91.919462542394
5 √n
37.215681911391
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
-71388770
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 71388771 can be divided by 4 positive divisors.
The sum of these divisors (counting 71388771) is 1, the average is 0.25.
Base
System
Value
2
Binary
100010000010100111001100011
3
Ternary
11222022220222120
4
Quaternary
10100110321203
5
Quinary
121233420041
6
Senary
11030035323
8
Octal
420247143
10
Decimal
71388771
12
Duodecimal
1baa8b43
16
Hexadecimal
4414e63
20
Vigesimal
1263bib
36
Base36
16i3xf
md5
69aa86f94365b419d1a8ec27226d18ba
sha1
7071d9be1e1ae85f8ecf4eb0a8780dd86852cf35
sha256
be14ca278b9e45e6041e9bdf120f375e938ed2052c2a2b4343d7dbda8052f85c
sha512
cf351bfd601e69f828db38e4ab34e817df66e6821c0547b0721549e37446caf4fc8b0cf2cc9c8928a7faee2b414211c07f2f388df00a581be6e6f369501ca70a
ripemd-160
d23fb5735573249e387be7b6bdd9cfda98d702fd
Diameter
142777542
Circumference
448548877.04481
Area
1.6010676532829E+16
Volume
1.5239766940763E+24
Surface area
6.4042706131318E+16
Circumference
448548877.04481
Perimeter
285555084
Area
5096356624890441
Diagonal
100958968.14935
Surface area
30578139749342646
Volume
3.6382263602864E+23
Space diagonal
123648978.4619
Perimeter
214166313
Area
2.2067871519501E+15
Altitude
61824489.23095
Surface area
2.2067871519501E+15
Volume
4.2876908847502E+22
Height
33652989.383116