71886987 is an odd 8-digits composite number following 71886986
and preceding 71886988 . In scientific notation, it is written as 7.1886987 × 10^7.
The sum of its digits is 54. It has a total of 5 prime factors and 32 positive divisors.
There are 46875744 positive integers (up to 71886987) that are relatively prime to 71886987.
71886987 has 32 divisors, whose sum is 108864000
The reverse of 71886987 is 78968817
Previous prime number is 149
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
seventy-one million eight hundred eighty-six thousand nine hundred eighty-seven
Scientific notation
7.1886987 × 10^7
Engineering notation
7.1886987 × 10^6
Prime Factorization
3 × 9 × 107 × 149 × 167
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
71886987
Product of the distinct prime numbers
The prime factorization of 71886987 is 3 × 9 × 107 × 149 × 167.
Since it has a total of 5 prime factors.
8 , 4 , 44 , 88 , 939 , 756 , 2591 , 3407 , 22233 , 64016 , 573136 , 145908 , 3745655 , 5059501 , 59053267 , 14672349 , 741906012 , 753294237 , 149562623 , 6615558225
n×2
143773974
n×3
215660961
n×4
287547948
n×5
359434935
n÷2
35943493.5
n÷3
23962329
n÷3
17971746.75
n÷5
14377397.4
n2
5167738899938169
n3
3.7149317911925E+23
n4
2.6705525337934E+31
n5
1.9197797527962E+39
2 √n
8478.6194041247
3 √n
415.79898718959
4 √n
92.079419004057
5 √n
37.26748250676
1 , 3 , 9 , 27 , 107 , 149 , 167 , 321 , 447 , 501 , 963 , 1341 , 1503 , 2889 , 4023 , 4509 , 15943 , 17869 , 24883 , 47829 , 53607 , 74649 , 143487 , 160821 , 223947 , 430461 , 482463 , 671841 , 2662481 , 7987443 , 23962329 , 71886987
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-71886986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 71886987 can be divided by 32 positive divisors.
The sum of these divisors (counting 71886987) is 1, the average is 0.03125.
Base
System
Value
2
Binary
100010010001110100010001011
3
Ternary
12000021020102000
4
Quaternary
10102032202023
5
Quinary
121400340422
6
Senary
11044442043
8
Octal
422164213
10
Decimal
71886987
12
Duodecimal
200a9323
16
Hexadecimal
448e88b
20
Vigesimal
1295h97
36
Base36
16sscr
md5
ba334b00dd224a20ea0e219dfd47fc9f
sha1
228014ba473c624ce67c91bc49808608e29f743b
sha256
8bd8bc22392fd2dac4070205b774f1f2976309e24e353ddc27586ab1a2d9db97
sha512
b72608f7cacea648e035ae1fdb87e8ad305e5f440b2d0f9261c15860231f10ec153c3006e012bf16008a0b7480bc2638046b2a67319661869f2f1c178e20290f
ripemd-160
86aef888fef8895f651008a30cb99214bd647889
Diameter
143773974
Circumference
451679260.49581
Area
1.6234930563716E+16
Volume
1.5561069898397E+24
Surface area
6.4939722254864E+16
Circumference
451679260.49581
Perimeter
287547948
Area
5167738899938169
Diagonal
101663551.97354
Surface area
31006433399629014
Volume
3.7149317911925E+23
Space diagonal
124511913.88704
Perimeter
215660961
Area
2.2376965837358E+15
Altitude
62255956.943522
Surface area
2.2376965837358E+15
Volume
4.3780891019962E+22
Height
33887850.657846