99687431 is an odd 8-digits composite number following 99687430
and preceding 99687432 . In scientific notation, it is written as 9.9687431 × 10^7.
The sum of its digits is 47. It has a total of 2 prime factors and 4 positive divisors.
There are 99640632 positive integers (up to 99687431) that are relatively prime to 99687431.
99687431 has 4 divisors, whose sum is 99734232
The reverse of 99687431 is 13478699
Previous prime number is 2237
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 47
Digital Root 2
Name
ninety-nine million six hundred eighty-seven thousand four hundred thirty-one
Scientific notation
9.9687431 × 10^7
Engineering notation
9.9687431 × 10^6
Prime Factorization
2237 × 44563
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
99687431
Product of the distinct prime numbers
The prime factorization of 99687431 is 2237 × 44563.
Since it has a total of 2 prime factors.
4 , 7 , 97 , 33 , 846 , 97 , 5613 , 8485 , 67000 , 53138 , 189370 , 393292 , 8491788 , 8103251 , 18463830 , 89017285 , 134340001 , 463381081 , 9911979791 , 1113422243
n×2
199374862
n×3
299062293
n×4
398749724
n×5
498437155
n÷2
49843715.5
n÷3
33229143.666667
n÷3
24921857.75
n÷5
19937486.2
n2
9937583899379761
n3
9.9065220927613E+23
n4
9.8755573757212E+31
n5
9.8446894447875E+39
2 √n
9984.359318454
3 √n
463.67477302405
4 √n
99.921765989468
5 √n
39.785798688969
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
-99687430
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 99687431 can be divided by 4 positive divisors.
The sum of these divisors (counting 99687431) is 1, the average is 0.25.
Base
System
Value
2
Binary
101111100010001110000000111
3
Ternary
20221120122110002
4
Quaternary
11330101300013
5
Quinary
201004444211
6
Senary
13520351515
8
Octal
574216007
10
Decimal
99687431
12
Duodecimal
2947559b
16
Hexadecimal
5f11c07
20
Vigesimal
1b30ibb
36
Base36
1ncnbb
md5
a3ef343097af5cbb37754bbc890a8ae1
sha1
0b2ede15d956ba337e2bbb1224e16dc90032fc8f
sha256
936b34a95d0ab2cacb6973d9f2f627a85dca6cf9f62521b7c70214934169e6c8
sha512
e4c36bcb84771a2beb8203d3690dad5c8709646b440b933b3fc731372634f9a1bd626501a52523d6d57b3de6ba60e50015562d7998d0dc8921be24b8b33c0c40
ripemd-160
ebc7347ad65fbf5a1c7d4b74e93bbbff43eae97a
Diameter
199374862
Circumference
626354601.76968
Area
3.1219840572724E+16
Volume
4.1496342705659E+24
Surface area
1.2487936229089E+17
Circumference
626354601.76968
Perimeter
398749724
Area
9937583899379761
Diagonal
140979316.91833
Surface area
59625503396278566
Volume
9.9065220927613E+23
Space diagonal
172663695.36802
Perimeter
299062293
Area
4.303100054551E+15
Altitude
86331847.684008
Surface area
4.303100054551E+15
Volume
1.167494824961E+23
Height
46993105.639444