987286989 is an odd 9-digits composite number following 987286988
and preceding 987286990 . In scientific notation, it is written as 9.87286989 × 10^8.
The sum of its digits is 66. It has a total of 4 prime factors and 16 positive divisors.
There are 602181888 positive integers (up to 987286989) that are relatively prime to 987286989.
987286989 has 16 divisors, whose sum is 1430194752
The reverse of 987286989 is 989682789
Previous prime number is 113
Is Prime? no Number parity odd Number length 9 Sum of Digits 66 Digital Root 3
Name
nine hundred eighty-seven million two hundred eighty-six thousand nine hundred eighty-nine
Scientific notation
9.87286989 × 10^8
Engineering notation
9.87286989 × 10^6
Prime Factorization
13 × 3 × 113 × 224027
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
987286989 Product of the distinct prime numbers
The prime factorization of 987286989 is 13 × 3 × 113 × 224027.
Since it has a total of 4 prime factors.
9 , 8 , 38 , 93 , 143 , 435 , 2911 , 2382 , 94039 , 74022 , 166137 , 610552 , 7521337 , 9242978 , 90565858 , 34957806 , 154019350 , 294948201 , 6933060933 , 2605260199
n×2
1974573978
n×3
2961860967
n×4
3949147956
n×5
4936434945
n÷2
493643494.5
n÷3
329095663
n÷3
246821747.25
n÷5
197457397.8
n2
974735598648686121
n3
9.6234377426097E+26
n4
9.5010948727301E+35
n5
9.3803073491011E+44
2 √n31421.123293097
3 √n995.74424389933
4 √n177.26004426575
5 √n62.934485010191
1 , 3 , 13 , 39 , 113 , 339 , 1469 , 4407 , 224027 , 672081 , 2912351 , 8737053 , 25315051 , 75945153 , 329095663 , 987286989
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
-987286988 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 987286989 can be divided by 16 positive divisors.
The sum of these divisors (counting 987286989) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010110110001100110111001101
3
Ternary
2112210202101010210
4
Quaternary
322312030313031
5
Quinary
4010221140424
6
Senary
241544553033
8
Octal
7266146715
10
Decimal
987286989
12
Duodecimal
236782779
16
Hexadecimal
3ad8cdcd
20
Vigesimal
f8aah99
36
Base36
gbszil
md5
9e67c8cbd6124dbd7b696b8d9a887dca
sha1
97a4f142889ccf26eb7208b70de31bb97ef95cc6
sha256
89ec8a1dd0939ef7c1942509bf9672d4abab5ff7e8832b6c61fb155f03a9b994
sha512
ec64445a149ac3325bc96de5335bb517246c9b0760e02591e610d1f58c60b994f8e7ac015e1feb7066c96e315ea2e7484ca2cf056591f45e4cfc5d2e4b84697b
ripemd-160
7ca2b200b6ebd529be437f88986f2810aa6602cf
Diameter
1974573978
Circumference
6203307103.2544
Area
3.0622221959072E+18
Volume
4.0310561752615E+27
Surface area
1.2248888783629E+19
Circumference
6203307103.2544
Perimeter
3949147956
Area
974735598648686121
Diagonal
1396234649.7983
Surface area
5848413591892116726
Volume
9.6234377426097E+26
Space diagonal
1710031226.5997
Perimeter
2961860967
Area
4.220728952014E+17
Altitude
855015613.29985
Surface area
4.220728952014E+17
Volume
1.1341330143543E+26
Height
465411549.93277