71387309 is an odd 8-digits composite number following 71387308
and preceding 71387310 . In scientific notation, it is written as 7.1387309 × 10^7.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 61078176 positive integers (up to 71387309) that are relatively prime to 71387309.
71387309 has 8 divisors, whose sum is 81733440
The reverse of 71387309 is 90378317
Previous prime number is 569
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 38
Digital Root 2
Name
seventy-one million three hundred eighty-seven thousand three hundred nine
Scientific notation
7.1387309 × 10^7
Engineering notation
7.1387309 × 10^6
Prime Factorization
7 × 569 × 17923
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71387309
Product of the distinct prime numbers
The prime factorization of 71387309 is 7 × 569 × 17923.
Since it has a total of 3 prime factors.
9 , 10 , 16 , 85 , 681 , 445 , 804 , 9391 , 92915 , 76467 , 469028 , 708325 , 1636237 , 3133102 , 74913135 , 33632583 , 195540052 , 877643405 , 5548154874 , 9995480553
n×2
142774618
n×3
214161927
n×4
285549236
n×5
356936545
n÷2
35693654.5
n÷3
23795769.666667
n÷3
17846827.25
n÷5
14277461.8
n2
5096147886261481
n3
3.6380028386625E+23
n4
2.5970723278647E+31
n5
1.8539800476463E+39
2 √n
8449.1010764459
3 √n
414.83335642498
4 √n
91.918991924661
5 √n
37.215529479091
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71387308
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71387309 can be divided by 8 positive divisors.
The sum of these divisors (counting 71387309) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100100010101101
3
Ternary
11222022211222102
4
Quaternary
10100110202231
5
Quinary
121233343214
6
Senary
11030024445
8
Octal
420244255
10
Decimal
71387309
12
Duodecimal
1baa8125
16
Hexadecimal
44148ad
20
Vigesimal
1263859
36
Base36
16i2st
md5
8346ad606a0f8fc12d7686060886bc94
sha1
6c0a38175c644c5e7f37372dbf201e20bad8770b
sha256
69497acba131a43f96a81a646902a47c2507856c2633ed4c4cbb77cc26d4407b
sha512
f3907ab0e642c8e3842d3b4af5f4833df2715252b2101c88482ce46b937bf5e28c2a38f1b81894b81bbe1b2a5a10a99d88902de71a95ce738f385a8e93bda939
ripemd-160
f135b9475e4fce06a089906d40cb4b6cd4d6bc42
Diameter
142774618
Circumference
448539691.02789
Area
1.6010020761086E+16
Volume
1.5238830655574E+24
Surface area
6.4040083044345E+16
Circumference
448539691.02789
Perimeter
285549236
Area
5096147886261481
Diagonal
100956900.56912
Surface area
30576887317568886
Volume
3.6380028386625E+23
Space diagonal
123646446.20362
Perimeter
214161927
Area
2.2066967654724E+15
Altitude
61823223.101809
Surface area
2.2066967654724E+15
Volume
4.2874274619902E+22
Height
33652300.189706