29919985 is an odd 8-digits composite number following 29919984
and preceding 29919986 . In scientific notation, it is written as 2.9919985 × 10^7.
The sum of its digits is 52. It has a total of 2 prime factors and 4 positive divisors.
There are 23935984 positive integers (up to 29919985) that are relatively prime to 29919985.
29919985 has 4 divisors, whose sum is 35903988
The reverse of 29919985 is 58991992
Previous prime number is 5
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 52
Digital Root 7
Name
twenty-nine million nine hundred nineteen thousand nine hundred eighty-five
Scientific notation
2.9919985 × 10^7
Engineering notation
2.9919985 × 10^6
Prime Factorization
5 × 5983997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
29919985
Product of the distinct prime numbers
The prime factorization of 29919985 is 5 × 5983997.
Since it has a total of 2 prime factors.
4 , 5 , 64 , 58 , 490 , 904 , 9053 , 7229 , 81326 , 66296 , 643120 , 159452 , 3755515 , 2521294 , 69661823 , 66765194 , 707353111 , 578700502 , 446072837 , 2215854312
n×2
59839970
n×3
89759955
n×4
119679940
n×5
149599925
n÷2
14959992.5
n÷3
9973328.3333333
n÷3
7479996.25
n÷5
5983997
n2
895205502400225
n3
2.6784535203732E+22
n4
8.0139289152764E+29
n5
2.3977663293614E+37
2 √n
5469.916361335
3 √n
310.44675439683
4 √n
73.95888291027
5 √n
31.274636761553
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
-29919984
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 29919985 can be divided by 4 positive divisors.
The sum of these divisors (counting 29919985) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110010001000101011110001
3
Ternary
2002022002111121
4
Quaternary
1302020223301
5
Quinary
30124414420
6
Senary
2545142241
8
Octal
162105361
10
Decimal
29919985
12
Duodecimal
a02a981
16
Hexadecimal
1c88af1
20
Vigesimal
96jjj5
36
Base36
htaep
md5
d789fc1f6c1432753fc0ca6238937d98
sha1
bc5d62d25ece25f6c9e109d983196d26a40c1b73
sha256
6f749d6e82a812f8b8a500454f4fc6afeb6e63fb57b5a34de62a0e68e8da3eaa
sha512
c4ad1396219ebc66c826ee92ce87d8504ff112c1a8a549bb107dafb3426c8fd2ce092b7f6b280ec6ffb6a6851f8583af5e31781aa90f8234803c0a23ad138c0b
ripemd-160
0582953519a70f9b4b01dff498b68afe7b34ad4a
Diameter
59839970
Circumference
187992810.14303
Area
2.8123710297937E+15
Volume
1.1219479870115E+23
Surface area
1.1249484119175E+16
Circumference
187992810.14303
Perimeter
119679940
Area
895205502400225
Diagonal
42313248.573
Surface area
5371233014401350
Volume
2.6784535203732E+22
Space diagonal
51822934.181699
Perimeter
89759955
Area
3.876353533431E+14
Altitude
25911467.090849
Surface area
3.876353533431E+14
Volume
3.1565877455815E+21
Height
14104416.191