987112921 is an odd 9-digits prime number following 987112920
and preceding 987112922 . In scientific notation, it is written as 9.87112921 × 10^8.
The sum of its digits is 40. It has a total of 1 prime factors and 2 positive divisors.
There are 987112920 positive integers (up to 987112921) that are relatively prime to 987112921.
987112921 has 2 divisors, whose sum is 987112922
The reverse of 987112921 is 129211789
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 9
Sum of Digits 40
Digital Root 4
Name
nine hundred eighty-seven million one hundred twelve thousand nine hundred twenty-one
Scientific notation
9.87112921 × 10^8
Engineering notation
9.87112921 × 10^6
Prime Factorization
987112921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
987112921
Product of the distinct prime numbers
The prime factorization of 987112921 is 987112921.
Since it has a total of 1 prime factors.
4 , 5 , 33 , 67 , 531 , 342 , 1131 , 9777 , 76468 , 51577 , 976539 , 577559 , 6056813 , 2481434 , 91936058 , 53743908 , 361221117 , 661608145 , 7544254242 , 5948633090
n×2
1974225842
n×3
2961338763
n×4
3948451684
n×5
4935564605
n÷2
493556460.5
n÷3
329037640.33333
n÷3
246778230.25
n÷5
197422584.2
n2
974391918805152241
n3
9.6183485317055E+26
n4
9.4943961143279E+35
n5
9.3720410815452E+44
2 √n
31418.353250926
3 √n
995.68572076189
4 √n
177.25223059507
5 √n
62.932265665113
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
987112922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
493556461
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
31418.353266841
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999979739
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987112921 can be divided by 2 positive divisors.
The sum of these divisors (counting 987112921) is 987112922, the average is 493556461.
Base
System
Value
2
Binary
111010110101100010010111011001
3
Ternary
2112210102112100211
4
Quaternary
322311202113121
5
Quinary
4010200103141
6
Senary
241541131121
8
Octal
7265422731
10
Decimal
987112921
12
Duodecimal
2366b9aa1
16
Hexadecimal
3ad625d9
20
Vigesimal
f899261
36
Base36
gbp97d
md5
cb40e374135312727cd706b901c7e948
sha1
737058690500d76387a877cffa5e681b694e85b2
sha256
499f810fbc89056c56d0906db97be9ae1ef1d3961781e04224eab1d6605878b7
sha512
ae59a2beb3bb2879afb45460e4f5d7f6f4aa2268da733549a68a95da7dfe24044734246f1f62ea9713b996248f52d7d7dd6096aa61df32298fd206c8028fa326
ripemd-160
f434dad70c2cb9f667cfba46b86102a7fbb38977
Diameter
1974225842
Circumference
6202213401.7543
Area
3.0611424938355E+18
Volume
4.028924411583E+27
Surface area
1.2244569975342E+19
Circumference
6202213401.7543
Perimeter
3948451684
Area
974391918805152241
Diagonal
1395988480.4719
Surface area
5846351512830913446
Volume
9.6183485317055E+26
Space diagonal
1709729731.9797
Perimeter
2961338763
Area
4.2192407746376E+17
Altitude
854864865.98986
Surface area
4.2192407746376E+17
Volume
1.1335332450974E+26
Height
465329493.49064