487890991 is an odd 9-digits composite number following 487890990
and preceding 487890992 . In scientific notation, it is written as 4.87890991 × 10^8.
The sum of its digits is 55. It has a total of 5 prime factors and 24 positive divisors.
There are 405300672 positive integers (up to 487890991) that are relatively prime to 487890991.
487890991 has 24 divisors, whose sum is 585166560
The reverse of 487890991 is 199098784
Previous prime number is 439
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
four hundred eighty-seven million eight hundred ninety thousand nine hundred ninety-one
Scientific notation
4.87890991 × 10^8
Engineering notation
4.87890991 × 10^6
Prime Factorization
7 × 7 × 37 × 439 × 613
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
69698713
Product of the distinct prime numbers
The prime factorization of 487890991 is 7 × 7 × 37 × 439 × 613.
Since it has a total of 5 prime factors.
7 , 8 , 97 , 31 , 514 , 226 , 9656 , 6487 , 71071 , 90271 , 601175 , 645417 , 6745384 , 7030633 , 59638782 , 18439125 , 531508388 , 287524553 , 5019727927 , 7802545820
n×2
975781982
n×3
1463672973
n×4
1951563964
n×5
2439454955
n÷2
243945495.5
n÷3
162630330.33333
n÷3
121972747.75
n÷5
97578198.2
n2
238037619098962081
n3
1.1613640987747E+26
n4
5.6661908106303E+34
n5
2.7644834497935E+43
2 √n
22088.254593788
3 √n
787.24081017548
4 √n
148.62117814695
5 √n
54.65936220096
1 , 7 , 37 , 49 , 259 , 439 , 613 , 1813 , 3073 , 4291 , 16243 , 21511 , 22681 , 30037 , 113701 , 158767 , 269107 , 795907 , 1111369 , 1883749 , 9956959 , 13186243 , 69698713 , 487890991
24 divisors
τ
Total Divisors
24
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-487890990
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.041666666666667
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
24
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 487890991 can be divided by 24 positive divisors.
The sum of these divisors (counting 487890991) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
11101000101001010000000101111
3
Ternary
1021000001102121201
4
Quaternary
131011022000233
5
Quinary
1444400002431
6
Senary
120225110331
8
Octal
3505120057
10
Decimal
487890991
12
Duodecimal
1174883a7
16
Hexadecimal
1d14a02f
20
Vigesimal
7c9679b
36
Base36
82h73j
md5
0ce47739d6098fa177d0cf3fdb27ecee
sha1
36f29654025d47d5448075d97ae2ecdda6720ba5
sha256
99dbe9af95190b4634d85d762a876e1c281be7808881afbff4aa40a3a4bac034
sha512
036dfe443a05782a5b07edf52e0f6c786e6b30f79837d16b362b00422aa2586ff0f115c2133b25f9c1eecd78c4918d791efdd952cdefd6a1b065fe95acf89d09
ripemd-160
a971b7cd81a2069763dea510d370749249314201
Diameter
975781982
Circumference
3065509506.1565
Area
7.478172354393E+17
Volume
4.8647105611382E+26
Surface area
2.9912689417572E+18
Circumference
3065509506.1565
Perimeter
1951563964
Area
238037619098962081
Diagonal
689982056.43185
Surface area
1428225714593772486
Volume
1.1613640987747E+26
Space diagonal
845051984.96713
Perimeter
1463672973
Area
1.0307331259803E+17
Altitude
422525992.48356
Surface area
1.0307331259803E+17
Volume
1.368680716117E+25
Height
229994018.81062