21087952 is an even 8-digits composite number following 21087951
and preceding 21087953 . In scientific notation, it is written as 2.1087952 × 10^7.
The sum of its digits is 34. It has a total of 6 prime factors and 20 positive divisors.
There are 10487808 positive integers (up to 21087952) that are relatively prime to 21087952.
21087952 has 20 divisors, whose sum is 41075620
The reverse of 21087952 is 25978012
Previous prime number is 193
Is Prime? no
Number parity even
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million eighty-seven thousand nine hundred fifty-two
Scientific notation
2.1087952 × 10^7
Engineering notation
2.1087952 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 193 × 6829
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
6
Total number of prime factors
rad
Radical
2635994
Product of the distinct prime numbers
The prime factorization of 21087952 is 2 × 2 × 2 × 2 × 193 × 6829.
Since it has a total of 6 prime factors.
2 , 9 , 74 , 34 , 500 , 376 , 75 , 9841 , 19206 , 72399 , 465397 , 144462 , 6859115 , 3884434 , 50425433 , 49440784 , 580145401 , 397428138 , 2703441832 , 7309276924
n×2
42175904
n×3
63263856
n×4
84351808
n×5
105439760
n÷2
10543976
n÷3
7029317.3333333
n÷3
5271988
n÷5
4217590.4
n2
444701719554304
n3
9.3778485162786E+21
n4
1.9775961937455E+29
n5
4.1703453609089E+36
2 √n
4592.1620180477
3 √n
276.2770445053
4 √n
67.765492826716
5 √n
29.161300007459
1 , 2 , 4 , 8 , 16 , 193 , 386 , 772 , 1544 , 3088 , 6829 , 13658 , 27316 , 54632 , 109264 , 1317997 , 2635994 , 5271988 , 10543976 , 21087952
20 divisors
τ
Total Divisors
20
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21087951
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.05
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
20
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21087952 can be divided by 20 positive divisors.
The sum of these divisors (counting 21087952) is 1, the average is 0.05.
Base
System
Value
2
Binary
1010000011100011011010000
3
Ternary
1110200101020021
4
Quaternary
1100130123100
5
Quinary
20344303302
6
Senary
2031553224
8
Octal
120343320
10
Decimal
21087952
12
Duodecimal
708b814
16
Hexadecimal
141c6d0
20
Vigesimal
6bfjhc
36
Base36
cjzkg
md5
baefcb57741bfc18969f529245866ba8
sha1
1f79c3e2356977fcbf692a0c7df42c023c679826
sha256
76a4d47afcae74c3dd55d066ce651ed9772e43e4d417e51124675ed2fa0bfbc5
sha512
d5628ec4417897ec560805a5d43000fbe9ff9a19d496571152653c8db40faacac0148cf59b2223be3e6d9245ae50dcab3cfd4bcce90e6833e434f4ba9c105748
ripemd-160
881aecd4dbddee49279baeea24ce86a3ff94a348
Diameter
42175904
Circumference
132499510.16491
Area
1.3970716551906E+15
Volume
3.9281840006958E+22
Surface area
5.5882866207622E+15
Circumference
132499510.16491
Perimeter
84351808
Area
444701719554304
Diagonal
29822867.721073
Surface area
2668210317325824
Volume
9.3778485162786E+21
Space diagonal
36525404.291574
Perimeter
63263856
Area
1.9256149312033E+14
Altitude
18262702.145787
Surface area
1.9256149312033E+14
Volume
1.1051900464668E+21
Height
9940955.9070243