99681969 is an odd 8-digits composite number following 99681968
and preceding 99681970 . In scientific notation, it is written as 9.9681969 × 10^7.
The sum of its digits is 57. It has a total of 3 prime factors and 8 positive divisors.
There are 66031056 positive integers (up to 99681969) that are relatively prime to 99681969.
99681969 has 8 divisors, whose sum is 133756480
The reverse of 99681969 is 96918699
Previous prime number is 157
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 57
Digital Root 3
Name
ninety-nine million six hundred eighty-one thousand nine hundred sixty-nine
Scientific notation
9.9681969 × 10^7
Engineering notation
9.9681969 × 10^6
Prime Factorization
3 × 157 × 211639
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
99681969
Product of the distinct prime numbers
The prime factorization of 99681969 is 3 × 157 × 211639.
Since it has a total of 3 prime factors.
6 , 1 , 42 , 96 , 407 , 430 , 7554 , 7924 , 77667 , 86850 , 963800 , 640819 , 1544101 , 6662205 , 46248336 , 28649926 , 214611606 , 491760153 , 5469393404 , 2527113377
n×2
199363938
n×3
299045907
n×4
398727876
n×5
498409845
n÷2
49840984.5
n÷3
33227323
n÷3
24920492.25
n÷5
19936393.8
n2
9936494943716961
n3
9.9048938094825E+23
n4
9.8733931766513E+31
n5
9.8419927255976E+39
2 √n
9984.0857868911
3 √n
463.66630442763
4 √n
99.920397251467
5 √n
39.785362696602
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
-99681968
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 99681969 can be divided by 8 positive divisors.
The sum of these divisors (counting 99681969) is 1, the average is 0.125.
Base
System
Value
2
Binary
101111100010000011010110001
3
Ternary
20221120100221210
4
Quaternary
11330100122301
5
Quinary
201004310334
6
Senary
13520310333
8
Octal
574203261
10
Decimal
99681969
12
Duodecimal
294723a9
16
Hexadecimal
5f106b1
20
Vigesimal
1b304i9
36
Base36
1ncj3l
md5
0cebdd3f9cd41103ac07ab1bb1d99f53
sha1
7b75b645ac09d322d72314a705d3060531a082ae
sha256
2ec57451040ed04f8b1dcabb2bfd0c99f4c60ef8837785b598453d6fb973a676
sha512
8c5441377b7dfe16ab73342453144990a1a0590570f35585d96894abcf751af06fa7e567d0e8695f7d7dde6c442af65b8a7f98dfdf166ae5962b2950ceae19c4
ripemd-160
180fa54888af791dcd40c5c59bbff0e1c331da08
Diameter
199363938
Circumference
626320283.01153
Area
3.1216419517613E+16
Volume
4.148952216861E+24
Surface area
1.2486567807045E+17
Circumference
626320283.01153
Perimeter
398727876
Area
9936494943716961
Diagonal
140971592.48385
Surface area
59618969662301766
Volume
9.9048938094825E+23
Space diagonal
172654234.90651
Perimeter
299045907
Area
4.3026285229173E+15
Altitude
86327117.453253
Surface area
4.3026285229173E+15
Volume
1.1673029299363E+23
Height
46990530.827951