987128830 is an even 9-digits composite number following 987128829
and preceding 987128831 . In scientific notation, it is written as 9.87128830 × 10^8.
The sum of its digits is 46. It has a total of 3 prime factors and 8 positive divisors.
There are 394851528 positive integers (up to 987128830) that are relatively prime to 987128830.
987128830 has 8 divisors, whose sum is 1776831912
The reverse of 987128830 is 038821789
Previous prime number is 5
Is Prime? no
Number parity even
Number length 9
Sum of Digits 46
Digital Root 1
Name
nine hundred eighty-seven million one hundred twenty-eight thousand eight hundred thirty
Scientific notation
9.87128830 × 10^8
Engineering notation
9.87128830 × 10^6
Prime Factorization
2 × 5 × 98712883
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
987128830
Product of the distinct prime numbers
The prime factorization of 987128830 is 2 × 5 × 98712883.
Since it has a total of 3 prime factors.
4 , 1 , 68 , 95 , 820 , 201 , 2236 , 7960 , 33674 , 2391 , 110078 , 905208 , 2456002 , 2195303 , 54102543 , 53760866 , 558123055 , 487691302 , 546303919 , 1959470780
n×2
1974257660
n×3
2961386490
n×4
3948515320
n×5
4935644150
n÷2
493564415
n÷3
329042943.33333
n÷3
246782207.5
n÷5
197425766
n2
974423327017168900
n3
9.6188135872317E+26
n4
9.4950082023521E+35
n5
9.3727963376282E+44
2 √n
31418.606429948
3 √n
995.69106978823
4 √n
177.25294477088
5 √n
62.932468515859
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
-987128829
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 987128830 can be divided by 8 positive divisors.
The sum of these divisors (counting 987128830) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010110101100110001111111110
3
Ternary
2112210110100012001
4
Quaternary
322311212033332
5
Quinary
4010201110310
6
Senary
241541332514
8
Octal
7265461776
10
Decimal
987128830
12
Duodecimal
23670713a
16
Hexadecimal
3ad663fe
20
Vigesimal
f89b21a
36
Base36
gbplha
md5
a7865d38c4718832c30677b60d7461aa
sha1
63d4ad9bccc851507a053dfb3cc47ea5169bf82b
sha256
c3e6d0ddc15dab31443b207ceb7f61c115d5cc591764d20f8f04067bee03b874
sha512
e81cac90bda8075c8c6c40629b482d833fad23646366bff215a11c95db74be546eb7ded672006fdf83a98b65a41792bc8d20227d72a856f36e2dcee72ab954dc
ripemd-160
038dfef306388ebf8ec575618cecfd1145833de4
Diameter
1974257660
Circumference
6202313360.9494
Area
3.0612411656437E+18
Volume
4.0291192135862E+27
Surface area
1.2244964662575E+19
Circumference
6202313360.9494
Perimeter
3948515320
Area
974423327017168900
Diagonal
1396010979.1955
Surface area
5846539962103013400
Volume
9.6188135872317E+26
Space diagonal
1709757287.176
Perimeter
2961386490
Area
4.2193767761851E+17
Altitude
854878643.58801
Surface area
4.2193767761851E+17
Volume
1.1335880524168E+26
Height
465336993.06516