71388280 is an even 8-digits composite number following 71388279
and preceding 71388281 . In scientific notation, it is written as 7.1388280 × 10^7.
The sum of its digits is 37. It has a total of 5 prime factors and 16 positive divisors.
There are 28555296 positive integers (up to 71388280) that are relatively prime to 71388280.
71388280 has 16 divisors, whose sum is 160623720
The reverse of 71388280 is 08288317
Previous prime number is 5
Is Prime? no
Number parity even
Number length 8
Sum of Digits 37
Digital Root 1
Name
seventy-one million three hundred eighty-eight thousand two hundred eighty
Scientific notation
7.1388280 × 10^7
Engineering notation
7.1388280 × 10^6
Prime Factorization
2 × 2 × 2 × 5 × 1784707
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
17847070
Product of the distinct prime numbers
The prime factorization of 71388280 is 2 × 2 × 2 × 5 × 1784707.
Since it has a total of 5 prime factors.
3 , 1 , 77 , 83 , 694 , 815 , 7876 , 3973 , 77631 , 52632 , 226019 , 149299 , 8059478 , 6147765 , 25080138 , 73927526 , 407021219 , 437527937 , 565836387 , 7637508210
n×2
142776560
n×3
214164840
n×4
285553120
n×5
356941400
n÷2
35694140
n÷3
23796093.333333
n÷3
17847070
n÷5
14277656
n2
5096286521358400
n3
3.6381512914696E+23
n4
2.5972136307779E+31
n5
1.8541061389379E+39
2 √n
8449.1585379847
3 √n
414.83523725118
4 √n
91.919304490323
5 √n
37.215630718606
1 , 2 , 4 , 5 , 8 , 10 , 20 , 40 , 1784707 , 3569414 , 7138828 , 8923535 , 14277656 , 17847070 , 35694140 , 71388280
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71388279
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71388280 can be divided by 16 positive divisors.
The sum of these divisors (counting 71388280) is 1, the average is 0.0625.
Base
System
Value
2
Binary
100010000010100110001111000
3
Ternary
11222022220022101
4
Quaternary
10100110301320
5
Quinary
121233411110
6
Senary
11030033144
8
Octal
420246170
10
Decimal
71388280
12
Duodecimal
1baa87b4
16
Hexadecimal
4414c78
20
Vigesimal
1263ae0
36
Base36
16i3js
md5
e0b97e415f874ae080e41e515ccfa765
sha1
df242f33e0fd5c7a5405919a63e1418c75f9892e
sha256
28e976e749c5a26d80960c9c9ad31adfa16afe33790fea76b2683c905e3344ef
sha512
2cfc777b03d40cd4fe00a32ab0d618e467974c4221e043d9ea5adb42ac9463c4c8cc20be9a88721aa6817c439a63cad12944a70fe04b7cb3db9466586fc2900a
ripemd-160
5c98c79657144be253b9b880732ad512856e3e10
Diameter
142776560
Circumference
448545792.00082
Area
1.6010456296088E+16
Volume
1.5239452493239E+24
Surface area
6.4041825184353E+16
Circumference
448545792.00082
Perimeter
285553120
Area
5096286521358400
Diagonal
100958273.77049
Surface area
30577719128150400
Volume
3.6381512914696E+23
Space diagonal
123648128.02495
Perimeter
214164840
Area
2.2067567962303E+15
Altitude
61824064.012477
Surface area
2.2067567962303E+15
Volume
4.2876024153012E+22
Height
33652757.923496