21024861 is an odd 8-digits composite number following 21024860
and preceding 21024862 . In scientific notation, it is written as 2.1024861 × 10^7.
The sum of its digits is 24. It has a total of 3 prime factors and 8 positive divisors.
There are 11761920 positive integers (up to 21024861) that are relatively prime to 21024861.
21024861 has 8 divisors, whose sum is 28229760
The reverse of 21024861 is 16842012
Previous prime number is 143
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million twenty-four thousand eight hundred sixty-one
Scientific notation
2.1024861 × 10^7
Engineering notation
2.1024861 × 10^6
Prime Factorization
3 × 143 × 49009
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
21024861
Product of the distinct prime numbers
The prime factorization of 21024861 is 3 × 143 × 49009.
Since it has a total of 3 prime factors.
3 , 6 , 11 , 46 , 167 , 764 , 1354 , 6451 , 6189 , 78369 , 22471 , 36821 , 5210520 , 5811826 , 37734542 , 84622689 , 47899809 , 279693083 , 6640760173 , 9884830350
n×2
42049722
n×3
63074583
n×4
84099444
n×5
105124305
n÷2
10512430.5
n÷3
7008287
n÷3
5256215.25
n÷5
4204972.2
n2
442044780069321
n3
9.293930056733E+21
n4
1.9540358758653E+29
n5
4.1083332679082E+36
2 √n
4585.2874500951
3 √n
276.00124710632
4 √n
67.714750609414
5 √n
29.143830114832
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21024860
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21024861 can be divided by 8 positive divisors.
The sum of these divisors (counting 21024861) is 1, the average is 0.125.
Base
System
Value
2
Binary
1010000001101000001011101
3
Ternary
1110120011200120
4
Quaternary
1100031001131
5
Quinary
20340243421
6
Senary
2030345153
8
Octal
120150135
10
Decimal
21024861
12
Duodecimal
705b1b9
16
Hexadecimal
140d05d
20
Vigesimal
6b8231
36
Base36
cimvx
md5
2bda119f144915ebcd1c0471ad5d9e43
sha1
c90a489d4573665da46e308d25c600319c2a776d
sha256
bf383a5f1623283a92d00a23ce09452578cf186d51ed5af4af702e4e647ec6c2
sha512
f7706467bb8e0b9cdc2f2d31d12473ac5466f0a0d33acf67070b80e4d5521e2a7c2d3573035e99c782f5c08d7f98f126dc7ae22443193e0b6367c87848189bde
ripemd-160
1b2b6d6c82b720e1795ca6105b2254b10d73c728
Diameter
42049722
Circumference
132103097.72069
Area
1.3887246336235E+15
Volume
3.8930323185613E+22
Surface area
5.554898534494E+15
Circumference
132103097.72069
Perimeter
84099444
Area
442044780069321
Diagonal
29733643.573209
Surface area
2652268680415926
Volume
9.293930056733E+21
Space diagonal
36416127.474073
Perimeter
63074583
Area
1.9141100457517E+14
Altitude
18208063.737037
Surface area
1.9141100457517E+14
Volume
1.0953001611649E+21
Height
9911214.5244031