28851489 is an odd 8-digits composite number following 28851488
and preceding 28851490 . In scientific notation, it is written as 2.8851489 × 10^7.
The sum of its digits is 45. It has a total of 4 prime factors and 16 positive divisors.
There are 18779040 positive integers (up to 28851489) that are relatively prime to 28851489.
28851489 has 16 divisors, whose sum is 32826240
The reverse of 28851489 is 98415882
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 45
Digital Root 9
Name
twenty-eight million eight hundred fifty-one thousand four hundred eighty-nine
Scientific notation
2.8851489 × 10^7
Engineering notation
2.8851489 × 10^6
Prime Factorization
9 × 163 × 71 × 277
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
28851489
Product of the distinct prime numbers
The prime factorization of 28851489 is 9 × 163 × 71 × 277.
Since it has a total of 4 prime factors.
4 , 6 , 42 , 33 , 659 , 230 , 2509 , 2851 , 89177 , 72415 , 74700 , 247397 , 9068076 , 5885627 , 73050131 , 23554826 , 436745397 , 386503206 , 9796071029 , 1493944435
n×2
57702978
n×3
86554467
n×4
115405956
n×5
144257445
n÷2
14425744.5
n÷3
9617163
n÷3
7212872.25
n÷5
5770297.8
n2
832408417517121
n3
2.4016222301503E+22
n4
6.9290377355336E+29
n5
1.9991305600733E+37
2 √n
5371.3582081258
3 √n
306.70633321705
4 √n
73.289550470212
5 √n
31.048001186273
1 , 9 , 71 , 163 , 277 , 639 , 1467 , 2493 , 11573 , 19667 , 45151 , 104157 , 177003 , 406359 , 3205721 , 28851489
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28851488
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28851489 can be divided by 16 positive divisors.
The sum of these divisors (counting 28851489) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1101110000011110100100001
3
Ternary
2000021210210200
4
Quaternary
1232003310201
5
Quinary
24341221424
6
Senary
2510215413
8
Octal
156036441
10
Decimal
28851489
12
Duodecimal
97b4569
16
Hexadecimal
1b83d21
20
Vigesimal
9068e9
36
Base36
h6dy9
md5
de95ea0bb7255cfcb28e810092a948c5
sha1
1590233729b96e9b3c858744f500025390cd60de
sha256
7470afff66fb2bd97866e53c6b6c957d1544a11819f6e681666113af93667723
sha512
f2f82124ea57c95a8dd5dec053749c9d64fb3cc1bc43a08a4f07c36d063bb987714a134d234c1a207823695d2804db76bae950cf6ab23f39aae8e5c6d8e6a05f
ripemd-160
a402858af3337e938fa266fd19a1508700808217
Diameter
57702978
Circumference
181279251.77505
Area
2.6150881692581E+15
Volume
1.0059891673251E+23
Surface area
1.0460352677032E+16
Circumference
181279251.77505
Perimeter
115405956
Area
832408417517121
Diagonal
40802167.038458
Surface area
4994450505102726
Volume
2.4016222301503E+22
Space diagonal
49972244.822015
Perimeter
86554467
Area
3.6044341794692E+14
Altitude
24986122.411007
Surface area
3.6044341794692E+14
Volume
2.8303389413127E+21
Height
13600722.346153