21361489 is an odd 8-digits prime number following 21361488
and preceding 21361490 . In scientific notation, it is written as 2.1361489 × 10^7.
The sum of its digits is 34. It has a total of 1 prime factors and 2 positive divisors.
There are 21361488 positive integers (up to 21361489) that are relatively prime to 21361489.
21361489 has 2 divisors, whose sum is 21361490
The reverse of 21361489 is 98416312
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 34 Digital Root 7
Name
twenty-one million three hundred sixty-one thousand four hundred eighty-nine
Scientific notation
2.1361489 × 10^7
Engineering notation
2.1361489 × 10^6
Prime Factorization
21361489
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
21361489 Product of the distinct prime numbers
The prime factorization of 21361489 is 21361489.
Since it has a total of 1 prime factors.
4 , 5 , 79 , 8 , 517 , 253 , 8868 , 8423 , 8732 , 28351 , 261744 , 418279 , 2117868 , 5035531 , 46525430 , 14737822 , 74702391 , 80581158 , 9131944703 , 3134927176
n×2
42722978
n×3
64084467
n×4
85445956
n×5
106807445
n÷2
10680744.5
n÷3
7120496.3333333
n÷3
5340372.25
n÷5
4272297.8
n2
456313212297121
n3
9.7475296650396E+21
n4
2.0822174771692E+29
n5
4.4479265734157E+36
2 √n4621.8490888388
3 √n277.46646890795
4 √n67.984182637131
5 √n29.236562191897
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
21361490 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
10680745 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
4621.8491970206 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999063736 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 21361489 can be divided by 2 positive divisors.
The sum of these divisors (counting 21361489) is 21361490, the average is 10680745.
Base
System
Value
2
Binary
1010001011111001101010001
3
Ternary
1111012021110021
4
Quaternary
1101133031101
5
Quinary
20432031424
6
Senary
2041503441
8
Octal
121371521
10
Decimal
21361489
12
Duodecimal
71a1b81
16
Hexadecimal
145f351
20
Vigesimal
6da3e9
36
Base36
cpump
md5
3c1d8949402824e63ab31181379216d7
sha1
6ddc4eb9e5bdd2f1f087292609a8506a9e4a1319
sha256
4b73b0338b067419efcf41c96f6d4737228f4cdb03fb5e6b2bce936e138e088b
sha512
90289b833c40c6b99fe866b5d0e0a8373a6e722e36ff55e86046e9dd091f99a8068c677241ba21ebb290df97bda8f1e6d3018789ba4e0dfa9322955ca25e210e
ripemd-160
43e3d092870b41643ecb753ea5aaf0fe13712d43
Diameter
42722978
Circumference
134218193.82428
Area
1.4335502354886E+15
Volume
4.0830356781783E+22
Surface area
5.7342009419544E+15
Circumference
134218193.82428
Perimeter
85445956
Area
456313212297121
Diagonal
30209707.456284
Surface area
2737879273782726
Volume
9.7475296650396E+21
Space diagonal
36999184.273324
Perimeter
64084467
Area
1.9758941696589E+14
Altitude
18499592.136662
Surface area
1.9758941696589E+14
Volume
1.1487573876611E+21
Height
10069902.485428