29388905 is an odd 8-digits composite number following 29388904
and preceding 29388906 . In scientific notation, it is written as 2.9388905 × 10^7.
The sum of its digits is 44. It has a total of 4 prime factors and 16 positive divisors.
There are 18601920 positive integers (up to 29388905) that are relatively prime to 29388905.
29388905 has 16 divisors, whose sum is 43405824
The reverse of 29388905 is 50988392
Previous prime number is 13
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 44
Digital Root 8
Name
twenty-nine million three hundred eighty-eight thousand nine hundred five
Scientific notation
2.9388905 × 10^7
Engineering notation
2.9388905 × 10^6
Prime Factorization
7 × 5 × 13 × 64591
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
29388905
Product of the distinct prime numbers
The prime factorization of 29388905 is 7 × 5 × 13 × 64591.
Since it has a total of 4 prime factors.
9 , 3 , 91 , 19 , 138 , 849 , 5743 , 4559 , 63758 , 9870 , 649645 , 828150 , 9589893 , 9330231 , 31696072 , 23872706 , 587972152 , 588902155 , 1335787581 , 7226380958
n×2
58777810
n×3
88166715
n×4
117555620
n×5
146944525
n÷2
14694452.5
n÷3
9796301.6666667
n÷3
7347226.25
n÷5
5877781
n2
863707737099025
n3
2.5383424633368E+22
n4
7.4599105512472E+29
n5
2.192386024991E+37
2 √n
5421.1534750457
3 √n
308.5989672557
4 √n
73.628482770228
5 √n
31.162814966477
1 , 5 , 7 , 13 , 35 , 65 , 91 , 455 , 64591 , 322955 , 452137 , 839683 , 2260685 , 4198415 , 5877781 , 29388905
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
-29388904
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 29388905 can be divided by 16 positive divisors.
The sum of these divisors (counting 29388905) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110000000111000001101001
3
Ternary
2001022002222222
4
Quaternary
1300013001221
5
Quinary
30010421110
6
Senary
2525523425
8
Octal
160070151
10
Decimal
29388905
12
Duodecimal
9a13575
16
Hexadecimal
1c07069
20
Vigesimal
93dc55
36
Base36
hhwmh
md5
f2f9fceb5cf49fce8c18817b9e3f4186
sha1
efb7738339136561d684e71f9cc054d923c5c520
sha256
f50ba658e9270f4377331e511108b2eb113e9fd91209d2850d058d768b922702
sha512
6df6b466d527c61225ba5d707e1db9f40d0fd858637fa67c8e3cde68d1d670eeacf5788d8fd0e4079eb4b8ee761f059de2559110429f672bfd17377c022364e8
ripemd-160
543c8185a401aaabe1feaca953164d878010195e
Diameter
58777810
Circumference
184655936.0901
Area
2.713417881719E+15
Volume
1.0632584046819E+23
Surface area
1.0853671526876E+16
Circumference
184655936.0901
Perimeter
117555620
Area
863707737099025
Diagonal
41562188.034294
Surface area
5182246422594150
Volume
2.5383424633368E+22
Space diagonal
50903076.638815
Perimeter
88166715
Area
3.7399642088646E+14
Altitude
25451538.319408
Surface area
3.7399642088646E+14
Volume
2.9914652813321E+21
Height
13854062.678098