989888921 is an odd 9-digits composite number following 989888920
and preceding 989888922 . In scientific notation, it is written as 9.89888921 × 10^8.
The sum of its digits is 62. It has a total of 3 prime factors and 8 positive divisors.
There are 848332800 positive integers (up to 989888921) that are relatively prime to 989888921.
989888921 has 8 divisors, whose sum is 1131492864
The reverse of 989888921 is 129888989
Previous prime number is 13151
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 62
Digital Root 8
Name
nine hundred eighty-nine million eight hundred eighty-eight thousand nine hundred twenty-one
Scientific notation
9.89888921 × 10^8
Engineering notation
9.89888921 × 10^6
Prime Factorization
7 × 13151 × 10753
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
989888921
Product of the distinct prime numbers
The prime factorization of 989888921 is 7 × 13151 × 10753.
Since it has a total of 3 prime factors.
8 , 1 , 87 , 54 , 64 , 364 , 1010 , 1948 , 7836 , 79340 , 267493 , 765461 , 7090491 , 6605268 , 71778482 , 64375511 , 444551762 , 618589361 , 788493551 , 693210289
n×2
1979777842
n×3
2969666763
n×4
3959555684
n×5
4949444605
n÷2
494944460.5
n÷3
329962973.66667
n÷3
247472230.25
n÷5
197977784.2
n2
979880075918544241
n3
9.6997243106041E+26
n4
9.6016496318213E+35
n5
9.5045665938637E+44
2 √n
31462.500234406
3 √n
996.61821676737
4 √n
177.37671841143
5 √n
62.967622061998
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
-989888920
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 989888921 can be divided by 8 positive divisors.
The sum of these divisors (counting 989888921) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011000000001000000110011001
3
Ternary
2112222122120022122
4
Quaternary
323000020012121
5
Quinary
4011402421141
6
Senary
242120431025
8
Octal
7300100631
10
Decimal
989888921
12
Duodecimal
237618475
16
Hexadecimal
3b008199
20
Vigesimal
f96g261
36
Base36
gdcr6h
md5
63978217656c31755d2bcf0204f28a21
sha1
dc0e28150c6bf2335cbdb874e115fc7caf081622
sha256
5ff9283ff30ca6adc1d38b92257bfe33cedaea26e86ba47d995d39febfb8e604
sha512
f37a096ac51f4cb9a29c58cf37589d2360e4a594321b41810c3eafcdf3e7a3123badca11b76d32be149e85801198e25f511bcdb7b9229e6c5dc2c6d79cb2f02a
ripemd-160
66481c58a83b36f758f90d9282b032ffdc660be3
Diameter
1979777842
Circumference
6219655524.1671
Area
3.0783840479047E+18
Volume
4.0630110181387E+27
Surface area
1.2313536191619E+19
Circumference
6219655524.1671
Perimeter
3959555684
Area
979880075918544241
Diagonal
1399914337.3211
Surface area
5879280455511265446
Volume
9.6997243106041E+26
Space diagonal
1714537905.0215
Perimeter
2969666763
Area
4.2430051920384E+17
Altitude
857268952.51077
Surface area
4.2430051920384E+17
Volume
1.1431234726114E+26
Height
466638112.44036