21872007 is an odd 8-digits composite number following 21872006
and preceding 21872008 . In scientific notation, it is written as 2.1872007 × 10^7.
The sum of its digits is 27. It has a total of 2 prime factors and 4 positive divisors.
There are 14581332 positive integers (up to 21872007) that are relatively prime to 21872007.
21872007 has 4 divisors, whose sum is 24302240
The reverse of 21872007 is 70027812
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 27
Digital Root 9
Name
twenty-one million eight hundred seventy-two thousand seven
Scientific notation
2.1872007 × 10^7
Engineering notation
2.1872007 × 10^6
Prime Factorization
9 × 2430223
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
21872007
Product of the distinct prime numbers
The prime factorization of 21872007 is 9 × 2430223.
Since it has a total of 2 prime factors.
4 , 2 , 75 , 45 , 540 , 763 , 7288 , 8026 , 83595 , 73480 , 681363 , 552353 , 8356324 , 2478003 , 81778778 , 42554272 , 742463 , 801567437 , 5754319399 , 4344435725
n×2
43744014
n×3
65616021
n×4
87488028
n×5
109360035
n÷2
10936003.5
n÷3
7290669
n÷3
5468001.75
n÷5
4374401.4
n2
478384690208049
n3
1.0463233292923E+22
n4
2.2885191182545E+29
n5
5.0054506174096E+36
2 √n
4676.7517573632
3 √n
279.6594797538
4 √n
68.386780574635
5 √n
29.374989987052
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
-21872006
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 21872007 can be divided by 4 positive divisors.
The sum of these divisors (counting 21872007) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010011011011110110000111
3
Ternary
1112011012202100
4
Quaternary
1103123312013
5
Quinary
21044401012
6
Senary
2100443143
8
Octal
123336607
10
Decimal
21872007
12
Duodecimal
73a94b3
16
Hexadecimal
14dbd87
20
Vigesimal
6ge007
36
Base36
d0sjr
md5
0819158f85c3a8e858e44c3718a4fd7c
sha1
12f5903b23daf48f8509cb51de028bf9dbd6c8d4
sha256
28e42bd225bd3323f6a636a335abb9c02b76358fd80284409bff303d4c91b20b
sha512
44044a7b47791b37408aeb817408a162dac1a5a1a431f6175d02e14f5a3e25f63da6663919e92ed53c59c52b1d328c11df6c2336e554233f3e2e1756d3bc3d0c
ripemd-160
ae82a0b4e5fe79c28cc9240803a1317a73bf7fd7
Diameter
43744014
Circumference
137425873.02093
Area
1.5028898283474E+15
Volume
4.3828289127792E+22
Surface area
6.0115593133897E+15
Circumference
137425873.02093
Perimeter
87488028
Area
478384690208049
Diagonal
30931688.935719
Surface area
2870308141248294
Volume
1.0463233292923E+22
Space diagonal
37883427.387502
Perimeter
65616021
Area
2.0714664725086E+14
Altitude
18941713.693751
Surface area
2.0714664725086E+14
Volume
1.2331038690938E+21
Height
10310562.978573