29909721 is an odd 8-digits composite number following 29909720
and preceding 29909722 . In scientific notation, it is written as 2.9909721 × 10^7.
The sum of its digits is 39. It has a total of 2 prime factors and 4 positive divisors.
There are 19939812 positive integers (up to 29909721) that are relatively prime to 29909721.
29909721 has 4 divisors, whose sum is 39879632
The reverse of 29909721 is 12790992
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 39
Digital Root 3
Name
twenty-nine million nine hundred nine thousand seven hundred twenty-one
Scientific notation
2.9909721 × 10^7
Engineering notation
2.9909721 × 10^6
Prime Factorization
3 × 9969907
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
29909721
Product of the distinct prime numbers
The prime factorization of 29909721 is 3 × 9969907.
Since it has a total of 2 prime factors.
3 , 8 , 64 , 20 , 928 , 438 , 5826 , 3891 , 28144 , 5031 , 655033 , 721982 , 5218742 , 2346766 , 58939682 , 95696164 , 142378822 , 948200231 , 2882891997 , 9419898841
n×2
59819442
n×3
89729163
n×4
119638884
n×5
149548605
n÷2
14954860.5
n÷3
9969907
n÷3
7477430.25
n÷5
5981944.2
n2
894591410297841
n3
2.6756979491005E+22
n4
8.0029379137868E+29
n5
2.3936564018169E+37
2 √n
5468.9780581019
3 √n
310.41125092624
4 √n
73.952539226871
5 √n
31.272490724859
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
-29909720
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 29909721 can be divided by 4 positive divisors.
The sum of these divisors (counting 29909721) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110010000110001011011001
3
Ternary
2002021120102110
4
Quaternary
1302012023121
5
Quinary
30124102341
6
Senary
2545022533
8
Octal
162061331
10
Decimal
29909721
12
Duodecimal
a024a49
16
Hexadecimal
1c862d9
20
Vigesimal
96ie61
36
Base36
ht2hl
md5
ed42c504797861367207abca50d06be1
sha1
6737c5ef145e969c6e37a364cd6f85f6d4426b66
sha256
960b56f64e17eb5ab0bab2889c2aca92bcbc79961713c14cd1b29bf8f6fff34e
sha512
db51639d0fcc38addc72b390ad76aad692bb21ecfdf8329a90a97ee505bb0adcbe004f3b511904b80d8f475015f1620bae22a2f7463a885dca58af31a77f4ef2
ripemd-160
4312893b17593bf1acb34b871e3ccced46ad183a
Diameter
59819442
Circumference
187928319.52904
Area
2.8104418025562E+15
Volume
1.1207937360159E+23
Surface area
1.1241767210225E+16
Circumference
187928319.52904
Perimeter
119638884
Area
894591410297841
Diagonal
42298733.084995
Surface area
5367548461787046
Volume
2.6756979491005E+22
Space diagonal
51805156.41221
Perimeter
89729163
Area
3.8736944366264E+14
Altitude
25902578.206105
Surface area
3.8736944366264E+14
Volume
3.1533402736932E+21
Height
14099577.694998