28661489 is an odd 8-digits prime number following 28661488
and preceding 28661490 . In scientific notation, it is written as 2.8661489 × 10^7.
The sum of its digits is 44. It has a total of 1 prime factors and 2 positive divisors.
There are 28661488 positive integers (up to 28661489) that are relatively prime to 28661489.
28661489 has 2 divisors, whose sum is 28661490
The reverse of 28661489 is 98416682
Previous prime number is 1
Is Prime? yes Number parity odd Number length 8 Sum of Digits 44 Digital Root 8
Name
twenty-eight million six hundred sixty-one thousand four hundred eighty-nine
Scientific notation
2.8661489 × 10^7
Engineering notation
2.8661489 × 10^6
Prime Factorization
28661489
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
28661489 Product of the distinct prime numbers
The prime factorization of 28661489 is 28661489.
Since it has a total of 1 prime factors.
5 , 1 , 100 , 79 , 554 , 37 , 9619 , 9402 , 95272 , 77500 , 537745 , 970401 , 4443640 , 2525892 , 63606918 , 18866426 , 346036555 , 30994677 , 8162587409 , 2748022286
n×2
57322978
n×3
85984467
n×4
114645956
n×5
143307445
n÷2
14330744.5
n÷3
9553829.6666667
n÷3
7165372.25
n÷5
5732297.8
n2
821480951697121
n3
2.3544867260777E+22
n4
6.7483095400121E+29
n5
1.9341659964965E+37
2 √n5353.6425917314
3 √n306.03158359407
4 √n73.168590199151
5 √n31.007000035509
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
28661490 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
14330745 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
5353.6426851257 Returns the nth root of the product of n divisors
H Harmonic Mean
1.99999993022 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28661489 can be divided by 2 positive divisors.
The sum of these divisors (counting 28661489) is 28661490, the average is 14330745.
Base
System
Value
2
Binary
1101101010101011011110001
3
Ternary
1222221011011122
4
Quaternary
1231111123301
5
Quinary
24314131424
6
Senary
2502152025
8
Octal
155253361
10
Decimal
28661489
12
Duodecimal
9722615
16
Hexadecimal
1b556f1
20
Vigesimal
8j2de9
36
Base36
h2bch
md5
a4ae8a57fa40041e9017f827b3229f38
sha1
04f8e8a58d0036fce0d2b8f71cb4bde5bc568d11
sha256
256de40e5d0ad64726f60c561be3ff9a88b9eea2be8db4a7b1cd18673701388c
sha512
93779df389b7fd29e20cd4948ecd0d388236627c48277fd76233391111c155f24091012fa1b6b358854e32547ffc2b5f31f8cfabdcac305fecfccfed04b56804
ripemd-160
2ebaeabd317c1dc276ec00a1a398c37ef46e5c47
Diameter
57322978
Circumference
180085446.56669
Area
2.5807585229156E+15
Volume
9.8624509354937E+22
Surface area
1.0323034091663E+16
Circumference
180085446.56669
Perimeter
114645956
Area
821480951697121
Diagonal
40533466.461607
Surface area
4928885710182726
Volume
2.3544867260777E+22
Space diagonal
49643155.168576
Perimeter
85984467
Area
3.5571168644736E+14
Altitude
24821577.584288
Surface area
3.5571168644736E+14
Volume
2.7747892170387E+21
Height
13511155.487202