987131873 is an odd 9-digits composite number following 987131872
and preceding 987131874 . In scientific notation, it is written as 9.87131873 × 10^8.
The sum of its digits is 47. It has a total of 4 prime factors and 16 positive divisors.
There are 781015248 positive integers (up to 987131873) that are relatively prime to 987131873.
987131873 has 16 divisors, whose sum is 1222139520
The reverse of 987131873 is 378131789
Previous prime number is 13
Is Prime? no Number parity odd Number length 9 Sum of Digits 47 Digital Root 2
Name
nine hundred eighty-seven million one hundred thirty-one thousand eight hundred seventy-three
Scientific notation
9.87131873 × 10^8
Engineering notation
9.87131873 × 10^6
Prime Factorization
7 × 169 × 13 × 64187
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
987131873 Product of the distinct prime numbers
The prime factorization of 987131873 is 7 × 169 × 13 × 64187.
Since it has a total of 4 prime factors.
7 , 2 , 75 , 80 , 877 , 687 , 6885 , 3508 , 67892 , 73613 , 927941 , 336938 , 1413344 , 4735653 , 48184715 , 56301472 , 58299783 , 307662428 , 3476143566 , 7365237879
n×2
1974263746
n×3
2961395619
n×4
3948527492
n×5
4935659365
n÷2
493565936.5
n÷3
329043957.66667
n÷3
246782968.25
n÷5
197426374.6
n2
974429334692488129
n3
9.6189025426114E+26
n4
9.4951252830925E+35
n5
9.3729408050687E+44
2 √n31418.654856629
3 √n995.69209291872
4 √n177.25308137415
5 √n62.932507315914
1 , 7 , 13 , 91 , 169 , 1183 , 2197 , 15379 , 64187 , 449309 , 834431 , 5841017 , 10847603 , 75933221 , 141018839 , 987131873
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
-987131872 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 987131873 can be divided by 16 positive divisors.
The sum of these divisors (counting 987131873) is 1, the average is 0.0625.
Base
System
Value
2
Binary
111010110101100110111111100001
3
Ternary
2112210110111100202
4
Quaternary
322311212333201
5
Quinary
4010201204443
6
Senary
241541354545
8
Octal
7265467741
10
Decimal
987131873
12
Duodecimal
236708a55
16
Hexadecimal
3ad66fe1
20
Vigesimal
f89b9dd
36
Base36
gbpntt
md5
0db7bdadf5a68ca9fc86e91d1bf7c69c
sha1
170a73321e2514b1e163577301724f872d59ea13
sha256
9a007d0e18b28f689acf4e6151c86671e552915d4c5286ac9f55695ff95f30df
sha512
dde0d4c5b2bc0696356a6a61b6de412d8d0d220f62354427d4a4d6ad2afb6cfb4641eb8e206f4e5de6b7248bf2e72e4a9d85f8ef0c4632a8c91dc39802b3e473
ripemd-160
1669c4a3aeaf79884b0f5575283e339dbd988314
Diameter
1974263746
Circumference
6202332480.6823
Area
3.0612600393123E+18
Volume
4.0291564751286E+27
Surface area
1.2245040157249E+19
Circumference
6202332480.6823
Perimeter
3948527492
Area
974429334692488129
Diagonal
1396015282.6474
Surface area
5846576008154928774
Volume
9.6189025426114E+26
Space diagonal
1709762557.8066
Perimeter
2961395619
Area
4.2194027901823E+17
Altitude
854881278.90331
Surface area
4.2194027901823E+17
Volume
1.1335985359088E+26
Height
465338427.54912