87989688 is an even 8-digits composite number following 87989687
and preceding 87989689 . In scientific notation, it is written as 8.7989688 × 10^7.
The sum of its digits is 63. It has a total of 6 prime factors and 32 positive divisors.
There are 27604224 positive integers (up to 87989688) that are relatively prime to 87989688.
87989688 has 32 divisors, whose sum is 194097600
The reverse of 87989688 is 88698978
Previous prime number is 17
Is Prime? no Number parity even Number length 8 Sum of Digits 63 Digital Root 9
Name
eighty-seven million nine hundred eighty-nine thousand six hundred eighty-eight
Scientific notation
8.7989688 × 10^7
Engineering notation
8.7989688 × 10^6
Prime Factorization
2 × 2 × 2 × 9 × 17 × 71887
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
6 Total number of prime factors
rad Radical
21997422 Product of the distinct prime numbers
The prime factorization of 87989688 is 2 × 2 × 2 × 9 × 17 × 71887.
Since it has a total of 6 prime factors.
3 , 6 , 25 , 41 , 688 , 263 , 278 , 5013 , 78461 , 15055 , 890120 , 393504 , 1781554 , 8209232 , 60730914 , 66841372 , 605011824 , 44761505 , 7048059503 , 9051412944
n×2
175979376
n×3
263969064
n×4
351958752
n×5
439948440
n÷2
43994844
n÷3
29329896
n÷3
21997422
n÷5
17597937.6
n2
7742185194337344
n3
6.8123245968796E+23
n4
5.9941431583416E+31
n5
5.2742278632982E+39
2 √n9380.2818720974
3 √n444.77864343314
4 √n96.851855284746
5 √n38.80488096373
1 , 2 , 4 , 8 , 9 , 17 , 18 , 34 , 36 , 68 , 72 , 136 , 153 , 306 , 612 , 1224 , 71887 , 143774 , 287548 , 575096 , 646983 , 1222079 , 1293966 , 2444158 , 2587932 , 4888316 , 5175864 , 9776632 , 10998711 , 21997422 , 43994844 , 87989688
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
-87989687 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 87989688 can be divided by 32 positive divisors.
The sum of these divisors (counting 87989688) is 1, the average is 0.03125.
Base
System
Value
2
Binary
101001111101001110110111000
3
Ternary
20010120100011100
4
Quaternary
11033221312320
5
Quinary
140011132223
6
Senary
12421531400
8
Octal
517516670
10
Decimal
87989688
12
Duodecimal
25573b60
16
Hexadecimal
53e9db8
20
Vigesimal
179ie48
36
Base36
1gdxa0
md5
387a4374c368ee2bf8f33ae55201354e
sha1
d03c49dcaa92ee83c8ab2080491dd54ad4cb7a33
sha256
ef71d6a774a8a9b08013bb63ca3266ed174970641fd5bc17dd70eb56997a372a
sha512
a0207ef15a9613224b23fee5334d19bafee6e177df83e99c2bdff1f83e0490922f327b78721dc838e17f07bbd7b86ff389d6c5d0f62cef4b9241bc215c68a66e
ripemd-160
f9051474521774d81f22146e3f039c620e986f73
Diameter
175979376
Circumference
552855514.82492
Area
2.4322792129262E+16
Volume
2.8535398543235E+24
Surface area
9.7291168517047E+16
Circumference
552855514.82492
Perimeter
351958752
Area
7742185194337344
Diagonal
124436210.11858
Surface area
46453111166024064
Volume
6.8123245968796E+23
Space diagonal
152402610.15813
Perimeter
263969064
Area
3.35246452955E+15
Altitude
76201305.079067
Surface area
3.35246452955E+15
Volume
8.0284015301625E+22
Height
41478736.706192