99685721 is an odd 8-digits composite number following 99685720
and preceding 99685722 . In scientific notation, it is written as 9.9685721 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 98957952 positive integers (up to 99685721) that are relatively prime to 99685721.
99685721 has 4 divisors, whose sum is 100413492
The reverse of 99685721 is 12758699
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
ninety-nine million six hundred eighty-five thousand seven hundred twenty-one
Scientific notation
9.9685721 × 10^7
Engineering notation
9.9685721 × 10^6
Prime Factorization
137 × 727633
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
99685721
Product of the distinct prime numbers
The prime factorization of 99685721 is 137 × 727633.
Since it has a total of 2 prime factors.
1 , 8 , 91 , 94 , 151 , 211 , 7491 , 3188 , 57804 , 14542 , 916945 , 423254 , 8002498 , 3572228 , 87025204 , 45938197 , 683462981 , 971666105 , 1642402538 , 9323550420
n×2
199371442
n×3
299057163
n×4
398742884
n×5
498428605
n÷2
49842860.5
n÷3
33228573.666667
n÷3
24921430.25
n÷5
19937144.2
n2
9937242971289841
n3
9.9060123034521E+23
n4
9.8748797870449E+31
n5
9.843845113599E+39
2 √n
9984.2736841495
3 √n
463.67212177576
4 √n
99.921337481789
5 √n
39.785662193963
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-99685720
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 99685721 can be divided by 4 positive divisors.
The sum of these divisors (counting 99685721) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111100010001010101011001
3
Ternary
20221120120002202
4
Quaternary
11330101111121
5
Quinary
201004420341
6
Senary
13520335545
8
Octal
574212531
10
Decimal
99685721
12
Duodecimal
294745b5
16
Hexadecimal
5f11559
20
Vigesimal
1b30e61
36
Base36
1nclzt
md5
d4b4c317a0b51d7be6e4316d5e9988cc
sha1
5bd560829ba547d0aec7b54c9371e18f94e09940
sha256
40c71bcbaa71a209b0db7ca979fde4f67cf0c622a9b45d4bc0c605ae308f5610
sha512
057b03b8ce559bd20876a761b722af5cffb16d633ad22b5ec9768c9a8f998e23c93cbd857862725ab7a2b65e8ade911e4850f71c683e512b0fdeb241fccd79b9
ripemd-160
ae4cc9df5212e6f2e50982a3320e574a444fbc57
Diameter
199371442
Circumference
626343857.5228
Area
3.1218769515541E+16
Volume
4.1494207305194E+24
Surface area
1.2487507806216E+17
Circumference
626343857.5228
Perimeter
398742884
Area
9937242971289841
Diagonal
140976898.61314
Surface area
59623457827739046
Volume
9.9060123034521E+23
Space diagonal
172660733.56114
Perimeter
299057163
Area
4.3029524283577E+15
Altitude
86330366.780568
Surface area
4.3029524283577E+15
Volume
1.1674347457147E+23
Height
46992299.537713