87978797 is an odd 8-digits composite number following 87978796
and preceding 87978798 . In scientific notation, it is written as 8.7978797 × 10^7.
The sum of its digits is 62. It has a total of 4 prime factors and 16 positive divisors.
There are 81430272 positive integers (up to 87978797) that are relatively prime to 87978797.
87978797 has 16 divisors, whose sum is 94767360
The reverse of 87978797 is 79787978
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 62
Digital Root 8
Name
eighty-seven million nine hundred seventy-eight thousand seven hundred ninety-seven
Scientific notation
8.7978797 × 10^7
Engineering notation
8.7978797 × 10^6
Prime Factorization
19 × 73 × 137 × 463
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
87978797
Product of the distinct prime numbers
The prime factorization of 87978797 is 19 × 73 × 137 × 463.
Since it has a total of 4 prime factors.
5 , 7 , 10 , 84 , 875 , 953 , 7681 , 7862 , 33198 , 36107 , 684368 , 600473 , 9938021 , 1264740 , 70672899 , 17488427 , 796749262 , 733243472 , 4079368104 , 6423668968
n×2
175957594
n×3
263936391
n×4
351915188
n×5
439893985
n÷2
43989398.5
n÷3
29326265.666667
n÷3
21994699.25
n÷5
17595759.4
n2
7740268721567209
n3
6.8097953058021E+23
n4
5.9911759882072E+31
n5
5.2709645605775E+39
2 √n
9379.7013278675
3 √n
444.76029172174
4 √n
96.848858165017
5 √n
38.803920294602
1 , 19 , 73 , 137 , 463 , 1387 , 2603 , 8797 , 10001 , 33799 , 63431 , 190019 , 642181 , 1205189 , 4630463 , 87978797
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
-87978796
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 87978797 can be divided by 16 positive divisors.
The sum of these divisors (counting 87978797) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101001111100111001100101101
3
Ternary
20010112210012222
4
Quaternary
11033213030231
5
Quinary
140010310142
6
Senary
12421405125
8
Octal
517471455
10
Decimal
87978797
12
Duodecimal
255697a5
16
Hexadecimal
53e732d
20
Vigesimal
179h6jh
36
Base36
1gdovh
md5
a955e77741fe84779d4bc1e146ccbd86
sha1
64c255c4ce8848989ec014a68bc3bbadab575362
sha256
bc4d175c0d9920369addd14fd2ae6d4aaceb83b0ec22772f021d51815870d797
sha512
08d9cefd044c92c757f0e8f0bd00f2e635752122b61e270841b673976fc3c22538e4569fbcf74957d70253cb6586f6ce813268cd376c6bfd6543ba97e3b68e50
ripemd-160
28acb1826df8fd88aef69f3e7e2d2268df33f0bc
Diameter
175957594
Circumference
552787084.65374
Area
2.4316771352486E+16
Volume
2.8524803873544E+24
Surface area
9.7267085409946E+16
Circumference
552787084.65374
Perimeter
351915188
Area
7740268721567209
Diagonal
124420807.91867
Surface area
46441612329403254
Volume
6.8097953058021E+23
Space diagonal
152383746.39279
Perimeter
263936391
Area
3.3516346724977E+15
Altitude
76191873.196394
Surface area
3.3516346724977E+15
Volume
8.0254207320417E+22
Height
41473602.639556