21000357 is an odd 8-digits composite number following 21000356
and preceding 21000358 . In scientific notation, it is written as 2.1000357 × 10^7.
The sum of its digits is 18. It has a total of 5 prime factors and 32 positive divisors.
There are 11476080 positive integers (up to 21000357) that are relatively prime to 21000357.
21000357 has 32 divisors, whose sum is 37109760
The reverse of 21000357 is 75300012
Previous prime number is 7
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 18
Digital Root 9
Name
twenty-one million three hundred fifty-seven
Scientific notation
2.1000357 × 10^7
Engineering notation
2.1000357 × 10^6
Prime Factorization
23 × 3 × 9 × 7 × 4831
Composite number
ω
Distinct Factors
5
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
21000357
Product of the distinct prime numbers
The prime factorization of 21000357 is 23 × 3 × 9 × 7 × 4831.
Since it has a total of 5 prime factors.
5 , 9 , 47 , 22 , 772 , 977 , 2853 , 6232 , 52336 , 16101 , 742299 , 334526 , 707447 , 6706555 , 41055964 , 11132556 , 20214565 , 288051211 , 7652388604 , 114760376
n×2
42000714
n×3
63001071
n×4
84001428
n×5
105001785
n÷2
10500178.5
n÷3
7000119
n÷3
5250089.25
n÷5
4200071.4
n2
441014994127449
n3
9.2614723190293E+21
n4
1.9449422504523E+29
n5
4.0844481603883E+36
2 √n
4582.6146466837
3 √n
275.89398101962
4 √n
67.695011977868
5 √n
29.137033650666
1 , 3 , 7 , 9 , 21 , 23 , 27 , 63 , 69 , 161 , 189 , 207 , 483 , 621 , 1449 , 4347 , 4831 , 14493 , 33817 , 43479 , 101451 , 111113 , 130437 , 304353 , 333339 , 777791 , 913059 , 1000017 , 2333373 , 3000051 , 7000119 , 21000357
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
-21000356
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 21000357 can be divided by 32 positive divisors.
The sum of these divisors (counting 21000357) is 1, the average is 0.03125.
Base
System
Value
2
Binary
1010000000111000010100101
3
Ternary
1110111221002000
4
Quaternary
1100013002211
5
Quinary
20334002412
6
Senary
2030035513
8
Octal
120070245
10
Decimal
21000357
12
Duodecimal
7048b99
16
Hexadecimal
14070a5
20
Vigesimal
6b50hh
36
Base36
ci3z9
md5
c9689e915255047b1394083f0b494890
sha1
bc3b7372adf36509f843ebe782041aa9f98cb062
sha256
a06e8b03c57e632e8a4eacb176fd6e985a1d9ff7230749328b5709666a9775e0
sha512
e193c7f72e271acd8841491400522d39ee328b997f478ee63b8698fb93343fb916809c4e08ad48c2e288d274599429097370d40aeeb5f21effd4b516c60b8ec9
ripemd-160
8f1d75502b4944ce2842de7ee63c5d43b0e3a054
Diameter
42000714
Circumference
131949134.54793
Area
1.3854894656737E+15
Volume
3.879436453185E+22
Surface area
5.541957862695E+15
Circumference
131949134.54793
Perimeter
84001428
Area
441014994127449
Diagonal
29698989.684077
Surface area
2646089964764694
Volume
9.2614723190293E+21
Space diagonal
36373685.301085
Perimeter
63001071
Area
1.9096509418211E+14
Altitude
18186842.650542
Surface area
1.9096509418211E+14
Volume
1.0914749800929E+21
Height
9899663.2280256