99687681 is an odd 8-digits composite number following 99687680
and preceding 99687682 . In scientific notation, it is written as 9.9687681 × 10^7.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 63366336 positive integers (up to 99687681) that are relatively prime to 99687681.
99687681 has 16 divisors, whose sum is 115948800
The reverse of 99687681 is 18678699
Previous prime number is 439
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 54
Digital Root 9
Name
ninety-nine million six hundred eighty-seven thousand six hundred eighty-one
Scientific notation
9.9687681 × 10^7
Engineering notation
9.9687681 × 10^6
Prime Factorization
9 × 23 × 439 × 1097
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
99687681
Product of the distinct prime numbers
The prime factorization of 99687681 is 9 × 23 × 439 × 1097.
Since it has a total of 4 prime factors.
1 , 4 , 14 , 82 , 442 , 612 , 3414 , 4491 , 59217 , 92201 , 388846 , 796781 , 4581600 , 1605874 , 13809790 , 33137017 , 594518534 , 253496780 , 7503273068 , 9463958555
n×2
199375362
n×3
299063043
n×4
398750724
n×5
498438405
n÷2
49843840.5
n÷3
33229227
n÷3
24921920.25
n÷5
19937536.2
n2
9937633743157761
n3
9.9065966248275E+23
n4
9.8756564413148E+31
n5
9.8448128898738E+39
2 √n
9984.3718380277
3 √n
463.67516063091
4 √n
99.921828636328
5 √n
39.785818644222
1 , 9 , 23 , 207 , 439 , 1097 , 3951 , 9873 , 10097 , 25231 , 90873 , 227079 , 481583 , 4334247 , 11076409 , 99687681
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
-99687680
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 99687681 can be divided by 16 positive divisors.
The sum of these divisors (counting 99687681) is 1, the average is 0.0625.
Base
System
Value
2
Binary
101111100010001110100000001
3
Ternary
20221120122210100
4
Quaternary
11330101310001
5
Quinary
201010001211
6
Senary
13520353013
8
Octal
574216401
10
Decimal
99687681
12
Duodecimal
29475769
16
Hexadecimal
5f11d01
20
Vigesimal
1b30j41
36
Base36
1ncni9
md5
43e030a2dbdefb27d5acdebeecb7779e
sha1
eda437752bc26e7490c89d87a5bf16cfe8e99bac
sha256
b35b0c6d6e33a10f3d1be9a13216820a07bee39b29d001eeb72e6d635b3db575
sha512
7982847e26e6af8ab791281f7eb02b592a8b09129e4aec0fe1f812516f0c4ec32f5d617fde18f5f6d394ced095b3234469b0a452b648faf4f6ee03b3e238bf61
ripemd-160
598aeb586aae9d3c27bcc661cad74912fd842f06
Diameter
199375362
Circumference
626356172.56601
Area
3.121999716157E+16
Volume
4.1496654904847E+24
Surface area
1.2487998864628E+17
Circumference
626356172.56601
Perimeter
398750724
Area
9937633743157761
Diagonal
140979670.47172
Surface area
59625802458946566
Volume
9.9065966248275E+23
Space diagonal
172664128.38072
Perimeter
299063043
Area
4.30312163754E+15
Altitude
86332064.190359
Surface area
4.30312163754E+15
Volume
1.1675036086492E+23
Height
46993223.490574