87942786 is an even 8-digits composite number following 87942785
and preceding 87942787 . In scientific notation, it is written as 8.7942786 × 10^7.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 28494720 positive integers (up to 87942786) that are relatively prime to 87942786.
87942786 has 16 divisors, whose sum is 176088000
The reverse of 87942786 is 68724978
Previous prime number is 15949
Is Prime? no
Number parity even
Number length 8
Sum of Digits 51
Digital Root 6
Name
eighty-seven million nine hundred forty-two thousand seven hundred eighty-six
Scientific notation
8.7942786 × 10^7
Engineering notation
8.7942786 × 10^6
Prime Factorization
2 × 3 × 15949 × 919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87942786
Product of the distinct prime numbers
The prime factorization of 87942786 is 2 × 3 × 15949 × 919.
Since it has a total of 4 prime factors.
7 , 2 , 13 , 42 , 678 , 312 , 8098 , 7638 , 16076 , 35556 , 47278 , 143706 , 4296310 , 4175390 , 70100878 , 23092070 , 383634997 , 445008087 , 8370051880 , 3405487822
n×2
175885572
n×3
263828358
n×4
351771144
n×5
439713930
n÷2
43971393
n÷3
29314262
n÷3
21985696.5
n÷5
17588557.2
n2
7733933609441796
n3
6.8014366835335E+23
n4
5.9813729075253E+31
n5
5.260185975927E+39
2 √n
9377.7815073716
3 √n
444.69960115713
4 √n
96.838946232245
5 √n
38.800743172698
1 , 2 , 3 , 6 , 919 , 1838 , 2757 , 5514 , 15949 , 31898 , 47847 , 95694 , 14657131 , 29314262 , 43971393 , 87942786
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
-87942785
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 87942786 can be divided by 16 positive divisors.
The sum of these divisors (counting 87942786) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001111011110011010000010
3
Ternary
20010110221211020
4
Quaternary
11033132122002
5
Quinary
140003132121
6
Senary
12420530310
8
Octal
517363202
10
Decimal
87942786
12
Duodecimal
25550996
16
Hexadecimal
53de682
20
Vigesimal
179cgj6
36
Base36
1gcx36
md5
65211a6322f1b7b370b1dd36e6c8e117
sha1
0a7091a9f6567dc2afd2e20f101abfbf106ad332
sha256
5807aa6aa50da07d59c8b9c7d1fde9247d3a930d0dfea5a56ffc9ce0f308d5f5
sha512
258aaec2e3c5e62be6d62c36994323faf309a875671dff66912f8fa4f5b4acdf66076996731cbf52dff321cbadd099c1abacee1cbeffac4583e2a5a1ce09279a
ripemd-160
855b91743a1e113c3de4ecbb370c97c390042165
Diameter
175885572
Circumference
552560820.86764
Area
2.4296869010774E+16
Volume
2.848979135846E+24
Surface area
9.7187476043094E+16
Circumference
552560820.86764
Perimeter
351771144
Area
7733933609441796
Diagonal
124369880.67407
Surface area
46403601656650776
Volume
6.8014366835335E+23
Space diagonal
152321373.51116
Perimeter
263828358
Area
3.3488914884794E+15
Altitude
76160686.755578
Surface area
3.3488914884794E+15
Volume
8.0155700012291E+22
Height
41456626.891358