28535981 is an odd 8-digits composite number following 28535980
and preceding 28535982 . In scientific notation, it is written as 2.8535981 × 10^7.
The sum of its digits is 41. It has a total of 3 prime factors and 8 positive divisors.
There are 27868192 positive integers (up to 28535981) that are relatively prime to 28535981.
28535981 has 8 divisors, whose sum is 29211840
The reverse of 28535981 is 18953582
Previous prime number is 89
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
twenty-eight million five hundred thirty-five thousand nine hundred eighty-one
Scientific notation
2.8535981 × 10^7
Engineering notation
2.8535981 × 10^6
Prime Factorization
83 × 89 × 3863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
28535981
Product of the distinct prime numbers
The prime factorization of 28535981 is 83 × 89 × 3863.
Since it has a total of 3 prime factors.
4 , 8 , 76 , 70 , 80 , 369 , 6964 , 2391 , 59981 , 89478 , 258763 , 419362 , 6082973 , 6039381 , 64615551 , 39922496 , 785186514 , 303659292 , 4444661044 , 1914628319
n×2
57071962
n×3
85607943
n×4
114143924
n×5
142679905
n÷2
14267990.5
n÷3
9511993.6666667
n÷3
7133995.25
n÷5
5707196.2
n2
814302211632361
n3
2.3236912439399E+22
n4
6.6308809186935E+29
n5
1.892186919091E+37
2 √n
5341.9079924686
3 √n
305.58422821965
4 √n
73.088357434468
5 √n
30.979796556566
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-28535980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 28535981 can be divided by 8 positive divisors.
The sum of these divisors (counting 28535981) is 1, the average is 0.125.
Base
System
Value
2
Binary
1101100110110110010101101
3
Ternary
1222200210000012
4
Quaternary
1230312302231
5
Quinary
24301122411
6
Senary
2455343005
8
Octal
154666255
10
Decimal
28535981
12
Duodecimal
9681a65
16
Hexadecimal
1b36cad
20
Vigesimal
8i6jj1
36
Base36
gzmi5
md5
85ae4effc624df61aa4e3f1e7a89f72e
sha1
a4feb7c70f7f58ea8c5d647222f4e4d743531b20
sha256
2bae8d0aaf5dbe9bd87345dc754e81f8e6849e117b42cd0e6304b518b19c8877
sha512
7ff6d4a052b9bf0592a8e02a9f99ee17e7d5ac57504e9e7d89b2124dafd4160084ac6ff5f7e969816ea2f5e7330f4844b103cd3195f0efce702e694ddb486305
ripemd-160
e3e5b90f1fdb69abea2713caa050b89aa14660e6
Diameter
57071962
Circumference
179296856.54516
Area
2.5582058458661E+15
Volume
9.7334551215634E+22
Surface area
1.0232823383465E+16
Circumference
179296856.54516
Perimeter
114143924
Area
814302211632361
Diagonal
40355971.345821
Surface area
4885813269794166
Volume
2.3236912439399E+22
Space diagonal
49425768.93582
Perimeter
85607943
Area
3.5260320081574E+14
Altitude
24712884.46791
Surface area
3.5260320081574E+14
Volume
2.7384963932895E+21
Height
13451990.448607