987249628 is an even 9-digits composite number following 987249627
and preceding 987249629 . In scientific notation, it is written as 9.87249628 × 10^8.
The sum of its digits is 55. It has a total of 4 prime factors and 12 positive divisors.
There are 493218752 positive integers (up to 987249628) that are relatively prime to 987249628.
987249628 has 12 divisors, whose sum is 1729108080
The reverse of 987249628 is 826942789
Previous prime number is 1223
Is Prime? no
Number parity even
Number length 9
Sum of Digits 55
Digital Root 1
Name
nine hundred eighty-seven million two hundred forty-nine thousand six hundred twenty-eight
Scientific notation
9.87249628 × 10^8
Engineering notation
9.87249628 × 10^6
Prime Factorization
2 × 2 × 1223 × 201809
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
493624814
Product of the distinct prime numbers
The prime factorization of 987249628 is 2 × 2 × 1223 × 201809.
Since it has a total of 4 prime factors.
7 , 5 , 21 , 77 , 51 , 464 , 5290 , 5078 , 65571 , 40103 , 912171 , 297926 , 8080990 , 9101507 , 7202938 , 13365467 , 63788422 , 936688965 , 5505017618 , 9006896673
n×2
1974499256
n×3
2961748884
n×4
3948998512
n×5
4936248140
n÷2
493624814
n÷3
329083209.33333
n÷3
246812407
n÷5
197449925.6
n2
974661827986138384
n3
9.6223452710512E+26
n4
9.4996567893328E+35
n5
9.3785326313965E+44
2 √n
31420.528767034
3 √n
995.73168339417
4 √n
177.25836726946
5 √n
62.934008688531
1 , 2 , 4 , 1223 , 2446 , 4892 , 201809 , 403618 , 807236 , 246812407 , 493624814 , 987249628
12 divisors
τ
Total Divisors
12
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-987249627
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.083333333333333
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
12
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987249628 can be divided by 12 positive divisors.
The sum of these divisors (counting 987249628) is 1, the average is 0.083333333333333.
Base
System
Value
2
Binary
111010110110000011101111011100
3
Ternary
2112210200110220001
4
Quaternary
322312003233130
5
Quinary
4010213442003
6
Senary
241544104044
8
Octal
7266035734
10
Decimal
987249628
12
Duodecimal
236765024
16
Hexadecimal
3ad83bdc
20
Vigesimal
f8a6418
36
Base36
gbs6os
md5
5e72733f9f882b3965ec5948c78a5bc0
sha1
e659f7af175fae1abaa840052e1a9c057388fc5f
sha256
36d3754e450363c761a191849809ddf9351141a6f96751bc1d827f40e72aa198
sha512
3960647ad9aa28d84c0c2630a3cd2d0112d271593abe2b41acc443d7127d59b88c088e7055f10c5352249b8500ca13c382981466812ff819e0cb6967da37ceba
ripemd-160
f9309ce894061b4ae98a59f0545b8b09859558e7
Diameter
1974499256
Circumference
6203072357.1681
Area
3.0619904385357E+18
Volume
4.0305985618452E+27
Surface area
1.2247961754143E+19
Circumference
6203072357.1681
Perimeter
3948998512
Area
974661827986138384
Diagonal
1396181813.3654
Surface area
5847970967916830304
Volume
9.6223452710512E+26
Space diagonal
1709966515.4495
Perimeter
2961748884
Area
4.2204095156749E+17
Altitude
854983257.72474
Surface area
4.2204095156749E+17
Volume
1.1340042653464E+26
Height
465393937.78846