71387287 is an odd 8-digits prime number following 71387286
and preceding 71387288 . In scientific notation, it is written as 7.1387287 × 10^7.
The sum of its digits is 43. It has a total of 1 prime factors and 2 positive divisors.
There are 71387286 positive integers (up to 71387287) that are relatively prime to 71387287.
71387287 has 2 divisors, whose sum is 71387288
The reverse of 71387287 is 78278317
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 43 Digital Root 7
Name
seventy-one million three hundred eighty-seven thousand two hundred eighty-seven
Scientific notation
7.1387287 × 10^7
Engineering notation
7.1387287 × 10^6
Prime Factorization
71387287
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
71387287 Product of the distinct prime numbers
The prime factorization of 71387287 is 71387287.
Since it has a total of 1 prime factors.
8 , 8 , 13 , 16 , 531 , 63 , 4520 , 140 , 2823 , 83312 , 498859 , 883085 , 777958 , 2277642 , 92371483 , 324931 , 738077988 , 221257939 , 3342223203 , 7209442728
n×2
142774574
n×3
214161861
n×4
285549148
n×5
356936435
n÷2
35693643.5
n÷3
23795762.333333
n÷3
17846821.75
n÷5
14277457.4
n2
5096144745220369
n3
3.6379994752059E+23
n4
2.5970691264237E+31
n5
1.8539771908685E+39
2 √n8449.0997745322
3 √n414.8333138108
4 √n91.918984842807
5 √n37.215527185289
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
71387288 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
35693644 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
8449.0998337101 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999719838 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71387287 can be divided by 2 positive divisors.
The sum of these divisors (counting 71387287) is 71387288, the average is 35693644.
Base
System
Value
2
Binary
100010000010100100010010111
3
Ternary
11222022211221121
4
Quaternary
10100110202113
5
Quinary
121233343122
6
Senary
11030024411
8
Octal
420244227
10
Decimal
71387287
12
Duodecimal
1baa8107
16
Hexadecimal
4414897
20
Vigesimal
1263847
36
Base36
16i2s7
md5
1ef91a78febd3f6201a88b09cd4c6e31
sha1
1bb2bf80639ad0111df1894b3785ef4e2cd670a4
sha256
9939b90e926aa39911f623830200c8252a753530d97ef47ea8f173731ade6724
sha512
745937326f5d2b112b10c7419cd898416a38a43dc983596a7d13e0ec69b0a03aec82eb8a13e52155d987beed6f2af80ddca5b27846faa35bd6bf777c3f2a40b0
ripemd-160
b125eb01fe3de5f43f25dd12e4af77a44df5b623
Diameter
142774574
Circumference
448539552.79781
Area
1.6010010893215E+16
Volume
1.523881656676E+24
Surface area
6.4040043572858E+16
Circumference
448539552.79781
Perimeter
285549148
Area
5096144745220369
Diagonal
100956869.45642
Surface area
30576868471322214
Volume
3.6379994752059E+23
Space diagonal
123646408.0985
Perimeter
214161861
Area
2.2066954053617E+15
Altitude
61823204.049251
Surface area
2.2066954053617E+15
Volume
4.2874234981186E+22
Height
33652289.818807