29872021 is an odd 8-digits composite number following 29872020
and preceding 29872022 . In scientific notation, it is written as 2.9872021 × 10^7.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 29774412 positive integers (up to 29872021) that are relatively prime to 29872021.
29872021 has 4 divisors, whose sum is 29969632
The reverse of 29872021 is 12027892
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 31
Digital Root 4
Name
twenty-nine million eight hundred seventy-two thousand twenty-one
Scientific notation
2.9872021 × 10^7
Engineering notation
2.9872021 × 10^6
Prime Factorization
307 × 97303
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
29872021
Product of the distinct prime numbers
The prime factorization of 29872021 is 307 × 97303.
Since it has a total of 2 prime factors.
9 , 2 , 34 , 85 , 380 , 346 , 1391 , 9443 , 88106 , 18375 , 95966 , 919575 , 2453680 , 7564988 , 57176748 , 38649930 , 612630140 , 852924582 , 3893628019 , 7806990756
n×2
59744042
n×3
89616063
n×4
119488084
n×5
149360105
n÷2
14936010.5
n÷3
9957340.3333333
n÷3
7468005.25
n÷5
5974404.2
n2
892337638624441
n3
2.665592868008E+22
n4
7.9626646130584E+29
n5
2.3786088453724E+37
2 √n
5465.5302578981
3 √n
310.28077579352
4 √n
73.929224653706
5 √n
31.264603203812
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
-29872020
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 29872021 can be divided by 4 positive divisors.
The sum of these divisors (counting 29872021) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110001111100111110010101
3
Ternary
2002012122201011
4
Quaternary
1301330332111
5
Quinary
30121401041
6
Senary
2544132221
8
Octal
161747625
10
Decimal
29872021
12
Duodecimal
a007071
16
Hexadecimal
1c7cf95
20
Vigesimal
96e011
36
Base36
hs9ed
md5
ed03aec633cd6acdfb25149b33de9618
sha1
838dcc1b1e60f41e5f8fe3114cee78d0d7d3304d
sha256
61103ecbd98566b7e265b54efacde87e6259aaf9ae391050b13772612bbaa5e4
sha512
07327bd5a6bdf1ae347de6ecb04a4cc0fa963d14776f93a159eea907318f81b1543efd40a94e3fb6eaceb40475434fec6c06615ea83e1671bce2440c57add9ab
ripemd-160
c9a61fff105493c1d545136875113bdf9d09b8ee
Diameter
59744042
Circumference
187691443.44296
Area
2.8033613700242E+15
Volume
1.116560929546E+23
Surface area
1.1213445480097E+16
Circumference
187691443.44296
Perimeter
119488084
Area
892337638624441
Diagonal
42245417.233694
Surface area
5354025831746646
Volume
2.665592868008E+22
Space diagonal
51739858.096764
Perimeter
89616063
Area
3.8639353190089E+14
Altitude
25869929.048382
Surface area
3.8639353190089E+14
Volume
3.1414313214182E+21
Height
14081805.744565