21031698 is an even 8-digits composite number following 21031697
and preceding 21031699 . In scientific notation, it is written as 2.1031698 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 6998640 positive integers (up to 21031698) that are relatively prime to 21031698.
21031698 has 16 divisors, whose sum is 42134976
The reverse of 21031698 is 89613012
Previous prime number is 661
Is Prime? no
Number parity even
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million thirty-one thousand six hundred ninety-eight
Scientific notation
2.1031698 × 10^7
Engineering notation
2.1031698 × 10^6
Prime Factorization
2 × 3 × 661 × 5303
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21031698
Product of the distinct prime numbers
The prime factorization of 21031698 is 2 × 3 × 661 × 5303.
Since it has a total of 4 prime factors.
1 , 4 , 57 , 40 , 426 , 305 , 9936 , 6172 , 20267 , 27383 , 740685 , 874955 , 9226342 , 3037288 , 71747662 , 87066599 , 594232711 , 730938004 , 7771936175 , 9973587549
n×2
42063396
n×3
63095094
n×4
84126792
n×5
105158490
n÷2
10515849
n÷3
7010566
n÷3
5257924.5
n÷5
4206339.6
n2
442332320763204
n3
9.3029997859308E+21
n4
1.9565788199176E+29
n5
4.1150174853704E+36
2 √n
4586.0329261792
3 √n
276.03116115298
4 √n
67.72025491815
5 √n
29.145725304088
1 , 2 , 3 , 6 , 661 , 1322 , 1983 , 3966 , 5303 , 10606 , 15909 , 31818 , 3505283 , 7010566 , 10515849 , 21031698
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21031697
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21031698 can be divided by 16 positive divisors.
The sum of these divisors (counting 21031698) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000001110101100010010
3
Ternary
1110120112001210
4
Quaternary
1100032230102
5
Quinary
20341003243
6
Senary
2030440550
8
Octal
120165422
10
Decimal
21031698
12
Duodecimal
7063156
16
Hexadecimal
140eb12
20
Vigesimal
6b8j4i
36
Base36
cis5u
md5
eb7f06f93c0941f73959b8a11b5b912c
sha1
7b2d7626a64b54621ca660597a3b7f25609379d9
sha256
92418d9ea37cb13905a0eace80ea8f26ff486efa98ca50e88087e14c1be84ed0
sha512
be591ef6fbdd0baf6e7cd99a7df84ba1e49191d7bd9196d4552d99f29dbdab86252ca6fd79945693ea521e765a2aae8693726b30557d22619d01d2100a673d4d
ripemd-160
50e2d802d7ef3fc6f0f4a56d75f6688c4cfe052d
Diameter
42063396
Circumference
132146055.85864
Area
1.389627969355E+15
Volume
3.8968314378437E+22
Surface area
5.55851187742E+15
Circumference
132146055.85864
Perimeter
84126792
Area
442332320763204
Diagonal
29743312.551335
Surface area
2653993924579224
Volume
9.3029997859308E+21
Space diagonal
36427969.505445
Perimeter
63095094
Area
1.9153551334793E+14
Altitude
18213984.752722
Surface area
1.9153551334793E+14
Volume
1.0963690390014E+21
Height
9914437.5171117