21102947 is an odd 8-digits prime number following 21102946
and preceding 21102948 . In scientific notation, it is written as 2.1102947 × 10^7.
The sum of its digits is 26. It has a total of 1 prime factors and 2 positive divisors.
There are 21102946 positive integers (up to 21102947) that are relatively prime to 21102947.
21102947 has 2 divisors, whose sum is 21102948
The reverse of 21102947 is 74920112
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 26
Digital Root 8
Name
twenty-one million one hundred two thousand nine hundred forty-seven
Scientific notation
2.1102947 × 10^7
Engineering notation
2.1102947 × 10^6
Prime Factorization
21102947
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
21102947
Product of the distinct prime numbers
The prime factorization of 21102947 is 21102947.
Since it has a total of 1 prime factors.
6 , 3 , 94 , 42 , 292 , 476 , 1737 , 8373 , 91301 , 51166 , 810632 , 868910 , 8521472 , 3367556 , 25701983 , 18509356 , 426827492 , 385719694 , 2543249704 , 2636551690
n×2
42205894
n×3
63308841
n×4
84411788
n×5
105514735
n÷2
10551473.5
n÷3
7034315.6666667
n÷3
5275736.75
n÷5
4220589.4
n2
445334372084809
n3
9.397867651384E+21
n4
1.9832270296017E+29
n5
4.1851934894652E+36
2 √n
4593.794401146
3 √n
276.3425130524
4 √n
67.777536110027
5 √n
29.165445970745
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
21102948
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
10551474
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
4593.7945099884
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.9999999052265
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21102947 can be divided by 2 positive divisors.
The sum of these divisors (counting 21102947) is 21102948, the average is 10551474.
Base
System
Value
2
Binary
1010000100000000101100011
3
Ternary
1110201010210122
4
Quaternary
1100200011203
5
Quinary
20400243242
6
Senary
2032150455
8
Octal
120400543
10
Decimal
21102947
12
Duodecimal
709842b
16
Hexadecimal
1420163
20
Vigesimal
6bhh77
36
Base36
ckb4z
md5
ed7d6c1b5a54dd68f53d2168fd30d220
sha1
878d9ac507a48239736f98b950a7b601f8c6d6f4
sha256
b3f061135569f13b0d16458831e6d64c2f97be8f5d0c8c9f863a49fd9556dccf
sha512
e01e52e6515674a73b97c74dc9f258d9574875e8434f4183591fb768a1a2730e0b8497fc2670351843d1ec3573404a8dcff25a476a6fb403501130d9c8f59e7f
ripemd-160
b7a8bba116a9d3dabfe36a1f06ca4e24504135f6
Diameter
42205894
Circumference
132593726.52859
Area
1.3990591917327E+15
Volume
3.9365695963996E+22
Surface area
5.5962367669306E+15
Circumference
132593726.52859
Perimeter
84411788
Area
445334372084809
Diagonal
29844073.853441
Surface area
2672006232508854
Volume
9.397867651384E+21
Space diagonal
36551376.393433
Perimeter
63308841
Area
1.9283543970192E+14
Altitude
18275688.196717
Surface area
1.9283543970192E+14
Volume
1.1075493241646E+21
Height
9948024.6178135