21557710 is an even 8-digits composite number following 21557709
and preceding 21557711 . In scientific notation, it is written as 2.1557710 × 10^7.
The sum of its digits is 28. It has a total of 5 prime factors and 32 positive divisors.
There are 8279040 positive integers (up to 21557710) that are relatively prime to 21557710.
21557710 has 32 divisors, whose sum is 40372992
The reverse of 21557710 is 01775512
Previous prime number is 353
Is Prime? no
Number parity even
Number length 8
Sum of Digits 28
Digital Root 1
Name
twenty-one million five hundred fifty-seven thousand seven hundred ten
Scientific notation
2.1557710 × 10^7
Engineering notation
2.1557710 × 10^6
Prime Factorization
2 × 5 × 31 × 353 × 197
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21557710
Product of the distinct prime numbers
The prime factorization of 21557710 is 2 × 5 × 31 × 353 × 197.
Since it has a total of 5 prime factors.
5 , 8 , 47 , 9 , 688 , 14 , 4950 , 2768 , 6897 , 857 , 581993 , 804687 , 6120644 , 5323238 , 66338728 , 89281682 , 312859313 , 24727514 , 8710185533 , 7203247045
n×2
43115420
n×3
64673130
n×4
86230840
n×5
107788550
n÷2
10778855
n÷3
7185903.3333333
n÷3
5389427.5
n÷5
4311542
n2
464734860444100
n3
1.0018619348344E+22
n4
2.15978490512E+29
n5
4.6560016646954E+36
2 √n
4643.0281067424
3 √n
278.3134586866
4 √n
68.139768907316
5 √n
29.290077788206
1 , 2 , 5 , 10 , 31 , 62 , 155 , 197 , 310 , 353 , 394 , 706 , 985 , 1765 , 1970 , 3530 , 6107 , 10943 , 12214 , 21886 , 30535 , 54715 , 61070 , 69541 , 109430 , 139082 , 347705 , 695410 , 2155771 , 4311542 , 10778855 , 21557710
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
-21557709
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 21557710 can be divided by 32 positive divisors.
The sum of these divisors (counting 21557710) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010001111000111001110
3
Ternary
1111120020121201
4
Quaternary
1102033013032
5
Quinary
21004321320
6
Senary
2050020114
8
Octal
122170716
10
Decimal
21557710
12
Duodecimal
727763a
16
Hexadecimal
148f1ce
20
Vigesimal
6eee5a
36
Base36
cu21a
md5
ddfc2c5a41f1f69357cd745340084321
sha1
a3a6020ce7b56da22cb8114ae56a701d545db269
sha256
6f43c935a184dee6569b0058b6cb86b2c3585346778a926639d6bc58a9f452e5
sha512
78a5c4a1262dd704f94474a0bd5196564a5edbf4c58709008774bf994b52747e498c0ddcb5f52b0156d4d3e2fcfa22a3809afafde0a35dd4b5eb37ed058ef092
ripemd-160
b16a8de1677fd2c2603280089e341f91cdfb3ef9
Diameter
43115420
Circumference
135451086.72844
Area
1.4600076234383E+15
Volume
4.1965894591828E+22
Surface area
5.840030493753E+15
Circumference
135451086.72844
Perimeter
86230840
Area
464734860444100
Diagonal
30487205.855706
Surface area
2788409162664600
Volume
1.0018619348344E+22
Space diagonal
37339049.014836
Perimeter
64673130
Area
2.012360975844E+14
Altitude
18669524.507418
Surface area
2.012360975844E+14
Volume
1.1807056132235E+21
Height
10162401.951902