99888921 is an odd 8-digits composite number following 99888920
and preceding 99888922 . In scientific notation, it is written as 9.9888921 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 12 positive divisors.
There are 60538680 positive integers (up to 99888921) that are relatively prime to 99888921.
99888921 has 12 divisors, whose sum is 157400880
The reverse of 99888921 is 12988899
Previous prime number is 11
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
ninety-nine million eight hundred eighty-eight thousand nine hundred twenty-one
Scientific notation
9.9888921 × 10^7
Engineering notation
9.9888921 × 10^6
Prime Factorization
3 × 3 × 11 × 1008979
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
33296307
Product of the distinct prime numbers
The prime factorization of 99888921 is 3 × 3 × 11 × 1008979.
Since it has a total of 4 prime factors.
3 , 9 , 42 , 87 , 939 , 404 , 1242 , 7292 , 41836 , 23062 , 827454 , 24718 , 6410382 , 6509289 , 88273333 , 74254656 , 175002109 , 769204572 , 5394671736 , 7519724315
n×2
199777842
n×3
299666763
n×4
399555684
n×5
499444605
n÷2
49944460.5
n÷3
33296307
n÷3
24972230.25
n÷5
19977784.2
n2
9977796538544241
n3
9.9667133019272E+23
n4
9.9556423764585E+31
n5
9.9445837484632E+39
2 √n
9994.4445068248
3 √n
463.9869586728
4 √n
99.972218675114
5 √n
39.801868853799
1 , 3 , 9 , 11 , 33 , 99 , 1008979 , 3026937 , 9080811 , 11098769 , 33296307 , 99888921
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-99888920
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 99888921 can be divided by 12 positive divisors.
The sum of these divisors (counting 99888921) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
101111101000010111100011001
3
Ternary
20221221212211200
4
Quaternary
11331002330121
5
Quinary
201032421141
6
Senary
13524544413
8
Octal
575027431
10
Decimal
99888921
12
Duodecimal
29552109
16
Hexadecimal
5f42f19
20
Vigesimal
1b46261
36
Base36
1ngys9
md5
2a561a3fed6a6ebdb4723a6d6dfe2ca5
sha1
d54414a7e5f0cc07c85b75e4ecec22650ed1bb8e
sha256
1cb846e442058ad9c03c063bb75bec96ec9aa07ac103bbbbb05e738576874c5e
sha512
0dbc62c961d017e0db4876cf36af6bdcf2137541badbbc92dfd2e706a1a39a2fd695a2060845cb5b89012e9911010464ac8fa49f40ebf7a390500851b168156f
ripemd-160
a01bde39dd7e105f72120a07a4d1fd64dc928554
Diameter
199777842
Circumference
627620600.77722
Area
3.1346172304504E+16
Volume
4.1748471053027E+24
Surface area
1.2538468921802E+17
Circumference
627620600.77722
Perimeter
399555684
Area
9977796538544241
Diagonal
141264266.80901
Surface area
59866779231265446
Volume
9.9667133019272E+23
Space diagonal
173012686.28523
Perimeter
299666763
Area
4.3205126380859E+15
Altitude
86506343.142617
Surface area
4.3205126380859E+15
Volume
1.1745884269891E+23
Height
47088088.936338