987342891 is an odd 9-digits composite number following 987342890
and preceding 987342892 . In scientific notation, it is written as 9.87342891 × 10^8.
The sum of its digits is 51. It has a total of 3 prime factors and 8 positive divisors.
There are 640438560 positive integers (up to 987342891) that are relatively prime to 987342891.
987342891 has 8 divisors, whose sum is 1352037264
The reverse of 987342891 is 198243789
Previous prime number is 37
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
nine hundred eighty-seven million three hundred forty-two thousand eight hundred ninety-one
Scientific notation
9.87342891 × 10^8
Engineering notation
9.87342891 × 10^6
Prime Factorization
3 × 37 × 8894981
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
987342891
Product of the distinct prime numbers
The prime factorization of 987342891 is 3 × 37 × 8894981.
Since it has a total of 3 prime factors.
5 , 10 , 52 , 72 , 79 , 782 , 5779 , 6398 , 76018 , 33348 , 490396 , 619217 , 5507240 , 7774971 , 7215068 , 18577477 , 7178466 , 633401615 , 9701174424 , 66401479
n×2
1974685782
n×3
2962028673
n×4
3949371564
n×5
4936714455
n÷2
493671445.5
n÷3
329114297
n÷3
246835722.75
n÷5
197468578.2
n2
974845984408237881
n3
9.6250725252537E+26
n4
9.5032469331687E+35
n5
9.3829633008816E+44
2 √n
31422.012841319
3 √n
995.76303716639
4 √n
177.26255340968
5 √n
62.935197687243
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
-987342890
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 987342891 can be divided by 8 positive divisors.
The sum of these divisors (counting 987342891) is 1, the average is 0.125.
Base
System
Value
2
Binary
111010110110011010100000101011
3
Ternary
2112210212012211020
4
Quaternary
322312122200223
5
Quinary
4010224433031
6
Senary
241550103523
8
Octal
7266324053
10
Decimal
987342891
12
Duodecimal
2367aaba3
16
Hexadecimal
3ad9a82b
20
Vigesimal
f8ahh4b
36
Base36
gbu6nf
md5
0fd2ccf2432b94aaad1ecc1c43e58511
sha1
e8c2f135fc9f653562ff3bb69ebc22139213d2a6
sha256
d64b84b853d6bb954a350a46582b0f82ab624f4a68fd18c86f09bf6cdc684a44
sha512
ff21abea8c56dd80f6008387e39ca201c3e8b8022a15e1a775cc7c2e3041b090222793a4f6a58c7bb0dd14658510480b56e70308e4012df01fee882cea1b62d7
ripemd-160
39c4d69c12fd45016e00fda905db5eed8d36f353
Diameter
1974685782
Circumference
6203658345.8794
Area
3.0625689829984E+18
Volume
4.0317409514141E+27
Surface area
1.2250275931994E+19
Circumference
6203658345.8794
Perimeter
3949371564
Area
974845984408237881
Diagonal
1396313707.1649
Surface area
5849075906449427286
Volume
9.6250725252537E+26
Space diagonal
1710128051.7039
Perimeter
2962028673
Area
4.2212069363739E+17
Altitude
855064025.85197
Surface area
4.2212069363739E+17
Volume
1.1343256753365E+26
Height
465437902.38829