987442021 is an odd 9-digits composite number following 987442020
and preceding 987442022 . In scientific notation, it is written as 9.87442021 × 10^8.
The sum of its digits is 37. It has a total of 2 prime factors and 4 positive divisors.
There are 987378700 positive integers (up to 987442021) that are relatively prime to 987442021.
987442021 has 4 divisors, whose sum is 987505344
The reverse of 987442021 is 120244789
Previous prime number is 35531
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
nine hundred eighty-seven million four hundred forty-two thousand twenty-one
Scientific notation
9.87442021 × 10^8
Engineering notation
9.87442021 × 10^6
Prime Factorization
35531 × 27791
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
987442021
Product of the distinct prime numbers
The prime factorization of 987442021 is 35531 × 27791.
Since it has a total of 2 prime factors.
7 , 1 , 79 , 45 , 166 , 895 , 6863 , 2862 , 48489 , 74519 , 276194 , 886657 , 9404051 , 849232 , 43612963 , 33818260 , 679920533 , 74391993 , 4197938827 , 4780283915
n×2
1974884042
n×3
2962326063
n×4
3949768084
n×5
4937210105
n÷2
493721010.5
n÷3
329147340.33333
n÷3
246860505.25
n÷5
197488404.2
n2
975041744836564441
n3
9.6279719108078E+26
n4
9.5070640417393E+35
n5
9.3876745311515E+44
2 √n
31423.590199085
3 √n
995.79636118092
4 √n
177.26700256699
5 √n
62.936461385127
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-987442020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 987442021 can be divided by 4 positive divisors.
The sum of these divisors (counting 987442021) is 1, the average is 0.25.
Base
System
Value
2
Binary
111010110110110010101101100101
3
Ternary
2112211001020210201
4
Quaternary
322312302231211
5
Quinary
4010241121041
6
Senary
241552150501
8
Octal
7266625545
10
Decimal
987442021
12
Duodecimal
236838431
16
Hexadecimal
3adb2b65
20
Vigesimal
f8ba511
36
Base36
gbwb51
md5
7aeb2dc0ad03fc09a10d7a864bd46a1c
sha1
3e7dd27e7a15b44aa4c9007a75fb172aebf1623f
sha256
2840735c0263eb53f54facda8bb2719293479342e57fb647995ed6721277bebe
sha512
ed3fc8e95d6b356d98b79959a8184684a3e876490f4cfb55e8789ccd774b176a3147042199054f8d905f9cbabf22504f8bf6ff54a346aedef85dcedbb40b4385
ripemd-160
cafa1423acca0e01f8ad1259b4fc6de370e9a054
Diameter
1974884042
Circumference
6204281198.0389
Area
3.0631839825219E+18
Volume
4.032955443195E+27
Surface area
1.2252735930088E+19
Circumference
6204281198.0389
Perimeter
3949768084
Area
975041744836564441
Diagonal
1396453898.1553
Surface area
5850250469019386646
Volume
9.6279719108078E+26
Space diagonal
1710299749.9005
Perimeter
2962326063
Area
4.2220546038938E+17
Altitude
855149874.95025
Surface area
4.2220546038938E+17
Volume
1.134667371201E+26
Height
465484632.71843