21046557 is an odd 8-digits composite number following 21046556
and preceding 21046558 . In scientific notation, it is written as 2.1046557 × 10^7.
The sum of its digits is 30. It has a total of 4 prime factors and 16 positive divisors.
There are 11860992 positive integers (up to 21046557) that are relatively prime to 21046557.
21046557 has 16 divisors, whose sum is 32512640
The reverse of 21046557 is 75564012
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 30
Digital Root 3
Name
twenty-one million forty-six thousand five hundred fifty-seven
Scientific notation
2.1046557 × 10^7
Engineering notation
2.1046557 × 10^6
Prime Factorization
3 × 73 × 7 × 13729
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
21046557
Product of the distinct prime numbers
The prime factorization of 21046557 is 3 × 73 × 7 × 13729.
Since it has a total of 4 prime factors.
1 , 7 , 86 , 28 , 913 , 176 , 3427 , 7837 , 58063 , 13711 , 622000 , 822814 , 5600216 , 878199 , 5442114 , 47338828 , 508113104 , 107543722 , 7080906208 , 1166486697
n×2
42093114
n×3
63139671
n×4
84186228
n×5
105232785
n÷2
10523278.5
n÷3
7015519
n÷3
5261639.25
n÷5
4209311.4
n2
442957561554249
n3
9.3227315678325E+21
n4
1.9621140133809E+29
n5
4.1295744423119E+36
2 √n
4587.6526677594
3 √n
276.09615164941
4 √n
67.732212925309
5 √n
29.149842460923
1 , 3 , 7 , 21 , 73 , 219 , 511 , 1533 , 13729 , 41187 , 96103 , 288309 , 1002217 , 3006651 , 7015519 , 21046557
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
-21046556
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 21046557 can be divided by 16 positive divisors.
The sum of these divisors (counting 21046557) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1010000010010010100011101
3
Ternary
1110121021110010
4
Quaternary
1100102110131
5
Quinary
20341442212
6
Senary
2031033433
8
Octal
120222435
10
Decimal
21046557
12
Duodecimal
706b879
16
Hexadecimal
141251d
20
Vigesimal
6bag7h
36
Base36
cj3ml
md5
5826912ed4642ea47ac3437f9e7f2bfd
sha1
c4b36ff2f13e0779574abfa0debaebdc4c979a7d
sha256
588cbd538125b5303a614b3accbc70c4fef70ef7e7670ac4bf4678355f2c3b7e
sha512
c47b9222652bda394775e4104e0b9df7a088634a57997d020fbd1b2e24bdf99e62746bc0629f6d9826f8eb6a8a125edec5f58c40d0d0472b2f907d8c8cd7d3ee
ripemd-160
b7f089b53549faadcffe1ec3f40175be19491143
Diameter
42093114
Circumference
132239417.70912
Area
1.3915922212309E+15
Volume
3.905096667319E+22
Surface area
5.5663688849235E+15
Circumference
132239417.70912
Perimeter
84186228
Area
442957561554249
Diagonal
29764326.350658
Surface area
2657745369325494
Volume
9.3227315678325E+21
Space diagonal
36453706.048394
Perimeter
63139671
Area
1.9180625055219E+14
Altitude
18226853.024197
Surface area
1.9180625055219E+14
Volume
1.0986944517994E+21
Height
9921442.1168861