99681421 is an odd 8-digits composite number following 99681420
and preceding 99681422 . In scientific notation, it is written as 9.9681421 × 10^7.
The sum of its digits is 40. It has a total of 3 prime factors and 8 positive divisors.
There are 80415168 positive integers (up to 99681421) that are relatively prime to 99681421.
99681421 has 8 divisors, whose sum is 120623040
The reverse of 99681421 is 12418699
Previous prime number is 17
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 40
Digital Root 4
Name
ninety-nine million six hundred eighty-one thousand four hundred twenty-one
Scientific notation
9.9681421 × 10^7
Engineering notation
9.9681421 × 10^6
Prime Factorization
7 × 17 × 837659
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
99681421
Product of the distinct prime numbers
The prime factorization of 99681421 is 7 × 17 × 837659.
Since it has a total of 3 prime factors.
10 , 5 , 86 , 75 , 771 , 459 , 3202 , 9537 , 25184 , 1971 , 681851 , 142389 , 6646187 , 2348360 , 8067439 , 7214219 , 658326786 , 673190059 , 1423001445 , 6326213911
n×2
199362842
n×3
299044263
n×4
398725684
n×5
498407105
n÷2
49840710.5
n÷3
33227140.333333
n÷3
24920355.25
n÷5
19936284.2
n2
9936385692579241
n3
9.9047304544037E+23
n4
9.8731760631693E+31
n5
9.8417221975991E+39
2 √n
9984.0583431789
3 √n
463.66545476009
4 √n
99.920259923495
5 √n
39.785318952629
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
-99681420
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 99681421 can be divided by 8 positive divisors.
The sum of these divisors (counting 99681421) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111100010000010010001101
3
Ternary
20221120100012111
4
Quaternary
11330100102031
5
Quinary
201004301141
6
Senary
13520304021
8
Octal
574202215
10
Decimal
99681421
12
Duodecimal
29472011
16
Hexadecimal
5f1048d
20
Vigesimal
1b303b1
36
Base36
1nciod
md5
d665444996bf725d49e98b294930d380
sha1
45304636b2877103620ad4a7ff69116ac265146e
sha256
aaecc51e462c26846cd52da2a82032eead649ff0e1a750698138d783119b5c84
sha512
0e3ec4174341faca951dd02c3f7ccdf553085f77657974b8ee5fcd820e728111e5d4a0fd0ade65b198d303a9210990eae2dc1d72c857a75aa95d3bf43b2f1e15
ripemd-160
9b96ea5e68794ef099b1a27f97b68947a8c86dca
Diameter
199362842
Circumference
626316839.82598
Area
3.1216076295042E+16
Volume
4.1488837908456E+24
Surface area
1.2486430518017E+17
Circumference
626316839.82598
Perimeter
398725684
Area
9936385692579241
Diagonal
140970817.49482
Surface area
59618314155475446
Volume
9.9047304544037E+23
Space diagonal
172653285.74266
Perimeter
299044263
Area
4.3025812157869E+15
Altitude
86326642.871332
Surface area
4.3025812157869E+15
Volume
1.1672836783556E+23
Height
46990272.498274