99821421 is an odd 8-digits composite number following 99821420
and preceding 99821422 . In scientific notation, it is written as 9.9821421 × 10^7.
The sum of its digits is 36. It has a total of 4 prime factors and 16 positive divisors.
There are 53374464 positive integers (up to 99821421) that are relatively prime to 99821421.
99821421 has 16 divisors, whose sum is 108057600
The reverse of 99821421 is 12412899
Previous prime number is 19
Is Prime? no Number parity odd Number length 8 Sum of Digits 36 Digital Root 9
Name
ninety-nine million eight hundred twenty-one thousand four hundred twenty-one
Scientific notation
9.9821421 × 10^7
Engineering notation
9.9821421 × 10^6
Prime Factorization
63 × 937 × 19 × 89
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
99821421 Product of the distinct prime numbers
The prime factorization of 99821421 is 63 × 937 × 19 × 89.
Since it has a total of 4 prime factors.
5 , 5 , 67 , 9 , 255 , 679 , 1904 , 3028 , 72335 , 1808 , 848829 , 608742 , 9319340 , 9829616 , 8734957 , 73708026 , 189274697 , 143771265 , 2497256794 , 4194650874
n×2
199642842
n×3
299464263
n×4
399285684
n×5
499107105
n÷2
49910710.5
n÷3
33273807
n÷3
24955355.25
n÷5
19964284.2
n2
9964316090459241
n3
9.9465219144281E+23
n4
9.9287595150585E+31
n5
9.9110288356041E+39
2 √n9991.0670601293
3 √n463.88242196447
4 √n99.955325321512
5 √n39.796488171715
1 , 19 , 63 , 89 , 937 , 1197 , 1691 , 5607 , 17803 , 59031 , 83393 , 106533 , 1121589 , 1584467 , 5253759 , 99821421
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
-99821420 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 99821421 can be divided by 16 positive divisors.
The sum of these divisors (counting 99821421) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111100110010011101101101
3
Ternary
20221211110020200
4
Quaternary
11330302131231
5
Quinary
201023241141
6
Senary
13523304113
8
Octal
574623555
10
Decimal
99821421
12
Duodecimal
2951b039
16
Hexadecimal
5f3276d
20
Vigesimal
1b3hdb1
36
Base36
1nfip9
md5
0257e1d504b06c801ef1ea690c72bfbb
sha1
d4c3e8da9ed7bd2c6a405c1a6ded01dd4d48d2c8
sha256
0a182bb13c5b256f876d0ec30fb27be89575a3881b66a2d751bf3d694ba9d374
sha512
6b320bb2c0d7383fc9905556f6bf7c1fdffa56f8a843136f80019d13b5c28b29614cba0636ceda3e0df9327c3a4fff782e8966a8677e8ae436445502307941d2
ripemd-160
bd1d81b9480b753c3d2c564d5a20fc13c900fd66
Diameter
199642842
Circumference
627196485.76899
Area
3.1303822227833E+16
Volume
4.1663893566849E+24
Surface area
1.2521528891133E+17
Circumference
627196485.76899
Perimeter
399285684
Area
9964316090459241
Diagonal
141168807.39355
Surface area
59785896542755446
Volume
9.9465219144281E+23
Space diagonal
172895772.85572
Perimeter
299464263
Area
4.3146754328379E+15
Altitude
86447886.427861
Surface area
4.3146754328379E+15
Volume
1.1722088491521E+23
Height
47056269.131185