21551357 is an odd 8-digits prime number following 21551356
and preceding 21551358 . In scientific notation, it is written as 2.1551357 × 10^7.
The sum of its digits is 29. It has a total of 1 prime factors and 2 positive divisors.
There are 21551356 positive integers (up to 21551357) that are relatively prime to 21551357.
21551357 has 2 divisors, whose sum is 21551358
The reverse of 21551357 is 75315512
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 29
Digital Root 2
Name
twenty-one million five hundred fifty-one thousand three hundred fifty-seven
Scientific notation
2.1551357 × 10^7
Engineering notation
2.1551357 × 10^6
Prime Factorization
21551357
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21551357
Product of the distinct prime numbers
The prime factorization of 21551357 is 21551357.
Since it has a total of 1 prime factors.
5 , 8 , 61 , 55 , 218 , 496 , 3208 , 6445 , 71916 , 74103 , 537774 , 740160 , 1150882 , 5427766 , 73983180 , 30192381 , 233649211 , 178930684 , 5157006938 , 6073378825
n×2
43102714
n×3
64654071
n×4
86205428
n×5
107756785
n÷2
10775678.5
n÷3
7183785.6666667
n÷3
5387839.25
n÷5
4310271.4
n2
464460988541449
n3
1.000976457663E+22
n4
2.157240098769E+29
n5
4.6491451503286E+36
2 √n
4642.3439122926
3 √n
278.28611658767
4 √n
68.134748200111
5 √n
29.288351243012
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21551358
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10775679
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4642.3440199968
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999071984
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21551357 can be divided by 2 positive divisors.
The sum of these divisors (counting 21551357) is 21551358, the average is 10775679.
Base
System
Value
2
Binary
1010010001101100011111101
3
Ternary
1111112220220102
4
Quaternary
1102031203331
5
Quinary
21004120412
6
Senary
2045530445
8
Octal
122154375
10
Decimal
21551357
12
Duodecimal
7273a25
16
Hexadecimal
148d8fd
20
Vigesimal
6edi7h
36
Base36
ctx4t
md5
e7e1e5d3d35213e715b7fdfcdfe08cc7
sha1
c6250410b5510e8cb3e7031435b10c2ff60b32de
sha256
c56e151e0877fbb567fc4bf6a90791e280df7fc6ca24b1aef8799ccb50196b1b
sha512
29aebc8e15c2aca4c568c2a9b9ecdda036379a78726af4dd96abfccb352b195e0db15015940440414d4fdcdf2a8686a1f052cab3674f9ba1b18688aee7280224
ripemd-160
3138bae67d90ca3c9df29ad01d423c29b7f22ca3
Diameter
43102714
Circumference
135411169.65218
Area
1.4591472294809E+15
Volume
4.1928803810804E+22
Surface area
5.8365889179235E+15
Circumference
135411169.65218
Perimeter
86205428
Area
464460988541449
Diagonal
30478221.356944
Surface area
2786765931248694
Volume
1.000976457663E+22
Space diagonal
37328045.296055
Perimeter
64654071
Area
2.0111750757186E+14
Altitude
18664022.648028
Surface area
2.0111750757186E+14
Volume
1.1796620683693E+21
Height
10159407.118981