21557095 is an odd 8-digits composite number following 21557094
and preceding 21557096 . In scientific notation, it is written as 2.1557095 × 10^7.
The sum of its digits is 34. It has a total of 5 prime factors and 32 positive divisors.
There are 13875840 positive integers (up to 21557095) that are relatively prime to 21557095.
21557095 has 32 divisors, whose sum is 31426560
The reverse of 21557095 is 59075512
Previous prime number is 439
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 34
Digital Root 7
Name
twenty-one million five hundred fifty-seven thousand ninety-five
Scientific notation
2.1557095 × 10^7
Engineering notation
2.1557095 × 10^6
Prime Factorization
7 × 5 × 23 × 439 × 61
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21557095
Product of the distinct prime numbers
The prime factorization of 21557095 is 7 × 5 × 23 × 439 × 61.
Since it has a total of 5 prime factors.
2 , 1 , 12 , 93 , 998 , 79 , 6694 , 9569 , 88715 , 4026 , 604406 , 39606 , 334208 , 4831232 , 87470348 , 26541747 , 916365169 , 836678863 , 2689285634 , 5563072742
n×2
43114190
n×3
64671285
n×4
86228380
n×5
107785475
n÷2
10778547.5
n÷3
7185698.3333333
n÷3
5389273.75
n÷5
4311419
n2
464708344839025
n3
1.0017761936988E+22
n4
2.1595384576303E+29
n5
4.6553375687289E+36
2 √n
4642.9618779396
3 √n
278.31081207889
4 √n
68.139282927982
5 √n
29.289910668383
1 , 5 , 7 , 23 , 35 , 61 , 115 , 161 , 305 , 427 , 439 , 805 , 1403 , 2135 , 2195 , 3073 , 7015 , 9821 , 10097 , 15365 , 26779 , 49105 , 50485 , 70679 , 133895 , 187453 , 353395 , 615917 , 937265 , 3079585 , 4311419 , 21557095
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
-21557094
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 21557095 can be divided by 32 positive divisors.
The sum of these divisors (counting 21557095) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010010001110111101100111
3
Ternary
1111120012202221
4
Quaternary
1102032331213
5
Quinary
21004311340
6
Senary
2050013211
8
Octal
122167547
10
Decimal
21557095
12
Duodecimal
7277207
16
Hexadecimal
148ef67
20
Vigesimal
6eecef
36
Base36
cu1k7
md5
4155bdf24c5fa9f11b0736eed60f70c4
sha1
287bd47f38af2a29aec0ced34c8e1d733bd73c32
sha256
867b7d19be25b1431e94ec099db88a7f362b869180faba4afc62864a0f7661e0
sha512
314a8108d2de3fe662830c27984b249dc1f2841fc0cd04fa489b8cc54aff2d7162a242479e6f7c2663d6f61b7df4960158d0bb8b2c1c4c057eb7f86606d7b2da
ripemd-160
49119280a2f77522e167830ea3c794f22d7ad5b1
Diameter
43114190
Circumference
135447222.56947
Area
1.4599243222082E+15
Volume
4.1962303075536E+22
Surface area
5.8396972888326E+15
Circumference
135447222.56947
Perimeter
86228380
Area
464708344839025
Diagonal
30486336.114365
Surface area
2788250069034150
Volume
1.0017761936988E+22
Space diagonal
37337983.803589
Perimeter
64671285
Area
2.0122461599061E+14
Altitude
18668991.901795
Surface area
2.0122461599061E+14
Volume
1.1806045663261E+21
Height
10162112.038122