21802641 is an odd 8-digits composite number following 21802640
and preceding 21802642 . In scientific notation, it is written as 2.1802641 × 10^7.
The sum of its digits is 24. It has a total of 5 prime factors and 32 positive divisors.
There are 11905920 positive integers (up to 21802641) that are relatively prime to 21802641.
21802641 has 32 divisors, whose sum is 34725888
The reverse of 21802641 is 14620812
Previous prime number is 31
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 24
Digital Root 6
Name
twenty-one million eight hundred two thousand six hundred forty-one
Scientific notation
2.1802641 × 10^7
Engineering notation
2.1802641 × 10^6
Prime Factorization
7 × 3 × 107 × 31 × 313
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21802641
Product of the distinct prime numbers
The prime factorization of 21802641 is 7 × 3 × 107 × 31 × 313.
Since it has a total of 5 prime factors.
3 , 1 , 5 , 54 , 788 , 264 , 5502 , 1492 , 55489 , 74481 , 783606 , 944016 , 6764914 , 826022 , 77807303 , 85453049 , 695383718 , 238838613 , 3645338566 , 608347502
n×2
43605282
n×3
65407923
n×4
87210564
n×5
109013205
n÷2
10901320.5
n÷3
7267547
n÷3
5450660.25
n÷5
4360528.2
n2
475355154574881
n3
1.0363997782696E+22
n4
2.2596252298091E+29
n5
4.926579768007E+36
2 √n
4669.3298234329
3 √n
279.36352454504
4 √n
68.332494637858
5 √n
29.356334036759
1 , 3 , 7 , 21 , 31 , 93 , 107 , 217 , 313 , 321 , 651 , 749 , 939 , 2191 , 2247 , 3317 , 6573 , 9703 , 9951 , 23219 , 29109 , 33491 , 67921 , 69657 , 100473 , 203763 , 234437 , 703311 , 1038221 , 3114663 , 7267547 , 21802641
32 divisors
τ
Total Divisors
32
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-21802640
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.03125
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
32
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21802641 can be divided by 32 positive divisors.
The sum of these divisors (counting 21802641) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010011001010111010010001
3
Ternary
1112000200121020
4
Quaternary
1103022322101
5
Quinary
21040141031
6
Senary
2055150053
8
Octal
123127221
10
Decimal
21802641
12
Duodecimal
7375329
16
Hexadecimal
14cae91
20
Vigesimal
6g56c1
36
Base36
czb0x
md5
06caa696cbaade838e70261109f0184f
sha1
801f00b1f8c6f26a4edc16c9e9d924181f2ffbde
sha256
07cd45014d52b75b52b658b6a96b1e936573e594bf15e7521b962d2af2dd28c7
sha512
b9e4579d59cad313a0588501be139964db3d307bbb1bfbc7cf62698ffe2eadffb51eb20a444cfcc569958d8b0d5320fe4b23a351d7cdf8f2de3e6720fe66b4aa
ripemd-160
ead4646c8df032b2ce6af502dc5e6d9f17f6c5e4
Diameter
43605282
Circumference
136990033.58891
Area
1.4933722614585E+15
Volume
4.3412612394583E+22
Surface area
5.9734890458339E+15
Circumference
136990033.58891
Perimeter
87210564
Area
475355154574881
Diagonal
30833590.597752
Surface area
2852130927449286
Volume
1.0363997782696E+22
Space diagonal
37763281.951184
Perimeter
65407923
Area
2.0583481984086E+14
Altitude
18881640.975592
Surface area
2.0583481984086E+14
Volume
1.2214088520577E+21
Height
10277863.532584