987990434 is an even 9-digits composite number following 987990433
and preceding 987990435 . In scientific notation, it is written as 9.87990434 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 493995216 positive integers (up to 987990434) that are relatively prime to 987990434.
987990434 has 4 divisors, whose sum is 1481985654
The reverse of 987990434 is 434099789
Previous prime number is 2
Is Prime? no
Number parity even
Number length 9
Sum of Digits 53
Digital Root 8
Name
nine hundred eighty-seven million nine hundred ninety thousand four hundred thirty-four
Scientific notation
9.87990434 × 10^8
Engineering notation
9.87990434 × 10^6
Prime Factorization
2 × 493995217
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
987990434
Product of the distinct prime numbers
The prime factorization of 987990434 is 2 × 493995217.
Since it has a total of 2 prime factors.
4 , 7 , 51 , 89 , 266 , 267 , 4407 , 4722 , 62991 , 56950 , 614978 , 259469 , 9185878 , 8606290 , 62424778 , 78965850 , 688986024 , 659612139 , 6575291399 , 8076977707
n×2
1975980868
n×3
2963971302
n×4
3951961736
n×5
4939952170
n÷2
493995217
n÷3
329330144.66667
n÷3
246997608.5
n÷5
197598086.8
n2
976125097675508356
n3
9.6440225889072E+26
n4
9.5282020631202E+35
n5
9.4137724915818E+44
2 √n
31432.315123134
3 √n
995.9806780282
4 √n
177.29161041384
5 √n
62.943450657955
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-987990433
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987990434 can be divided by 4 positive divisors.
The sum of these divisors (counting 987990434) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010111000111000100110100010
3
Ternary
2112212002010002022
4
Quaternary
322320320212202
5
Quinary
4010411143214
6
Senary
242012021442
8
Octal
7270704642
10
Decimal
987990434
12
Duodecimal
236a61882
16
Hexadecimal
3ae389a2
20
Vigesimal
f8eig1e
36
Base36
gc82aq
md5
f470c53bd3639f1682213897c702d2e8
sha1
b859dab808bedcb49de2c8b78456a5c71361b161
sha256
edd604c0959270ca2b77bf64bb55782adcd3b75c00835afe4aedf13a4de0e118
sha512
e5548acee7f8c27afecaf8aeceaaee5ab6a7eefd76e26683d1a22faf025c12e2c6a04b01858444b1c6cccf613edf3414902e0be1c2032459b6c9231eaa1bd1f2
ripemd-160
001f05f8dc6a1de7b574dd8ea61461bbc596d860
Diameter
1975980868
Circumference
6207726978.5428
Area
3.066587435842E+18
Volume
4.0396787355153E+27
Surface area
1.2266349743368E+19
Circumference
6207726978.5428
Perimeter
3951961736
Area
976125097675508356
Diagonal
1397229471.2577
Surface area
5856750586053050136
Volume
9.6440225889072E+26
Space diagonal
1711249629.08
Perimeter
2963971302
Area
4.2267456592928E+17
Altitude
855624814.54001
Surface area
4.2267456592928E+17
Volume
1.1365589617554E+26
Height
465743157.08589