71387498 is an even 8-digits composite number following 71387497
and preceding 71387499 . In scientific notation, it is written as 7.1387498 × 10^7.
The sum of its digits is 47. It has a total of 3 prime factors and 8 positive divisors.
There are 28241136 positive integers (up to 71387498) that are relatively prime to 71387498.
71387498 has 8 divisors, whose sum is 108258240
The reverse of 71387498 is 89478317
Previous prime number is 91
Is Prime? no
Number parity even
Number length 8
Sum of Digits 47
Digital Root 2
Name
seventy-one million three hundred eighty-seven thousand four hundred ninety-eight
Scientific notation
7.1387498 × 10^7
Engineering notation
7.1387498 × 10^6
Prime Factorization
2 × 91 × 392239
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
71387498
Product of the distinct prime numbers
The prime factorization of 71387498 is 2 × 91 × 392239.
Since it has a total of 3 prime factors.
3 , 4 , 9 , 9 , 992 , 109 , 2319 , 1781 , 30543 , 60233 , 739095 , 493999 , 1687471 , 7725867 , 61750297 , 96799890 , 703910216 , 513008768 , 7465425651 , 5992346522
n×2
142774996
n×3
214162494
n×4
285549992
n×5
356937490
n÷2
35693749
n÷3
23795832.666667
n÷3
17846874.5
n÷5
14277499.6
n2
5096174870700004
n3
3.6380317338975E+23
n4
2.5970998312754E+31
n5
1.8540045901097E+39
2 √n
8449.1122610603
3 √n
414.83372251916
4 √n
91.919052764159
5 √n
37.215549184912
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
-71387497
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 71387498 can be divided by 8 positive divisors.
The sum of these divisors (counting 71387498) is 1, the average is 0.125.
Base
System
Value
2
Binary
100010000010100100101101010
3
Ternary
11222022212020102
4
Quaternary
10100110211222
5
Quinary
121233344443
6
Senary
11030025402
8
Octal
420244552
10
Decimal
71387498
12
Duodecimal
1baa8262
16
Hexadecimal
441496a
20
Vigesimal
12638ei
36
Base36
16i2y2
md5
a4583a91f2cd7958ecee4da7c9e1d8a0
sha1
49803f4f70b24c121d67b6c7a0d8f0474f3f8287
sha256
4401967c3de1780480025100283e47161fdc5058d9832b1d5bfc5fe614821c34
sha512
5752f9a237a4a58fc164fe5e3cc3b7414396506edddf85daac68df1aa12477baaa6cb7a05b9495d6292a7dfce1341301bbb4b3e232893d6e0ddad223585d1b5a
ripemd-160
6d5db63b389b33fb7c7f8e455a33947f32f9611f
Diameter
142774996
Circumference
448540878.54991
Area
1.60101055352E+16
Volume
1.5238951691652E+24
Surface area
6.40404221408E+16
Circumference
448540878.54991
Perimeter
285549992
Area
5096174870700004
Diagonal
100957167.85548
Surface area
30577049224200024
Volume
3.6380317338975E+23
Space diagonal
123646773.56122
Perimeter
214162494
Area
2.206708450077E+15
Altitude
61823386.780611
Surface area
2.206708450077E+15
Volume
4.2874615153513E+22
Height
33652389.285161