99681638 is an even 8-digits composite number following 99681637
and preceding 99681639 . In scientific notation, it is written as 9.9681638 × 10^7.
The sum of its digits is 50. It has a total of 4 prime factors and 16 positive divisors.
There are 40284000 positive integers (up to 99681638) that are relatively prime to 99681638.
99681638 has 16 divisors, whose sum is 151348176
The reverse of 99681638 is 83618699
Previous prime number is 251
Is Prime? no Number parity even Number length 8 Sum of Digits 50 Digital Root 5
Name
ninety-nine million six hundred eighty-one thousand six hundred thirty-eight
Scientific notation
9.9681638 × 10^7
Engineering notation
9.9681638 × 10^6
Prime Factorization
2 × 133 × 251 × 1493
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
99681638 Product of the distinct prime numbers
The prime factorization of 99681638 is 2 × 133 × 251 × 1493.
Since it has a total of 4 prime factors.
2 , 1 , 74 , 4 , 195 , 696 , 7177 , 8240 , 13543 , 93993 , 774005 , 332798 , 5777842 , 8613778 , 23039272 , 80361892 , 341295645 , 860202893 , 1753363755 , 2868643611
n×2
199363276
n×3
299044914
n×4
398726552
n×5
498408190
n÷2
49840819
n÷3
33227212.666667
n÷3
24920409.5
n÷5
19936327.6
n2
9936428954363044
n3
9.9047951404154E+23
n4
9.8732620365104E+31
n5
9.8418293220258E+39
2 √n9984.0692104973
3 √n463.6657912164
4 √n99.920314303435
5 √n39.785336274626
1 , 2 , 133 , 251 , 266 , 502 , 1493 , 2986 , 33383 , 66766 , 198569 , 374743 , 397138 , 749486 , 49840819 , 99681638
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
-99681637 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 99681638 can be divided by 16 positive divisors.
The sum of these divisors (counting 99681638) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111100010000010101100110
3
Ternary
20221120100111112
4
Quaternary
11330100111212
5
Quinary
201004303023
6
Senary
13520305022
8
Octal
574202546
10
Decimal
99681638
12
Duodecimal
29472172
16
Hexadecimal
5f10566
20
Vigesimal
1b3041i
36
Base36
1nciue
md5
71607afff74252d5b1e283bd9fbb1dcf
sha1
38437624cbfbc513599ac1afebdc7f2418e028c0
sha256
5d09b2257c892da0ae1fc6af68d14d83084509f7031f796d6190313009bc1d8f
sha512
34b9ebc4f0915bb8d610a0b8ea1dfc5d10702269defe273b005cdfdd4c684892acd6582db76961c2ab1f52c5dd3c370352792d141019e6e84e839618561dea5b
ripemd-160
1b78c934d78d5b544a2935e1df46ec79453e8518
Diameter
199363276
Circumference
626318203.27719
Area
3.1216212205944E+16
Volume
4.1489108864588E+24
Surface area
1.2486484882378E+17
Circumference
626318203.27719
Perimeter
398726552
Area
9936428954363044
Diagonal
140971124.37917
Surface area
59618573726178264
Volume
9.9047951404154E+23
Space diagonal
172653661.59769
Perimeter
299044914
Area
4.3025999486888E+15
Altitude
86326830.798844
Surface area
4.3025999486888E+15
Volume
1.1672913016752E+23
Height
46990374.793055