1987442023 is an odd 10-digits composite number following 1987442022
and preceding 1987442024 . In scientific notation, it is written as 1.987442023 × 10^9.
The sum of its digits is 40. It has a total of 4 prime factors and 16 positive divisors.
There are 1641628800 positive integers (up to 1987442023) that are relatively prime to 1987442023.
1987442023 has 16 divisors, whose sum is 2354503680
The reverse of 1987442023 is 3202447891
Previous prime number is 239
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 40
Digital Root 4
Name
one billion nine hundred eighty-seven million four hundred forty-two thousand twenty-three
Scientific notation
1.987442023 × 10^9
Engineering notation
1.987442023 × 10^9
Prime Factorization
7 × 31 × 239 × 38321
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1987442023
Product of the distinct prime numbers
The prime factorization of 1987442023 is 7 × 31 × 239 × 38321.
Since it has a total of 4 prime factors.
9 , 7 , 92 , 57 , 292 , 432 , 711 , 368 , 18107 , 21383 , 889348 , 344109 , 1364119 , 2223482 , 15834581 , 7059406 , 120376310 , 99455634 , 9620884381 , 1107605551
n×2
3974884046
n×3
5962326069
n×4
7949768092
n×5
9937210115
n÷2
993721011.5
n÷3
662480674.33333
n÷3
496860505.75
n÷5
397488404.6
n2
3949925794786332529
n3
7.85024851229E+27
n4
1.5601913784318E+37
n5
3.1007899094177E+46
2 √n
44580.736007832
3 √n
1257.2785013815
4 √n
211.1415070701
5 √n
72.386719239732
1 , 7 , 31 , 217 , 239 , 1673 , 7409 , 38321 , 51863 , 268247 , 1187951 , 8315657 , 9158719 , 64111033 , 283920289 , 1987442023
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
-1987442022
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 1987442023 can be divided by 16 positive divisors.
The sum of these divisors (counting 1987442023) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110011101011111010101100111
3
Ternary
12010111201111220211
4
Quaternary
1312131133111213
5
Quinary
13032241121043
6
Senary
525113440251
8
Octal
16635372547
10
Decimal
1987442023
12
Duodecimal
475710087
16
Hexadecimal
7675f567
20
Vigesimal
1b11a513
36
Base36
wv9s2v
md5
21403bc770a0e4ac38148877cc6a541a
sha1
0445c81a1649e7a2bd524f5afa2ce9dec74d1d6d
sha256
1ece1ddd6c11cbe019704a2e75d61937c92e058e29849c0db283c1a2d3de6d49
sha512
6066ab4e0c2afe8239aec5c5d03cc20ace604e72d2a395bb3d70a8236ddf7996ce5d35d0c739992b323ab2ed9b56781cddbbbd92b6d064b329547fc9c028b0cb
ripemd-160
f466e388ac5bbb6fbfe49b55bbc786ee58102045
Diameter
3974884046
Circumference
12487466517.785
Area
1.2409057859126E+19
Volume
3.2883044073419E+28
Surface area
4.9636231436502E+19
Circumference
12487466517.785
Perimeter
7949768092
Area
3949925794786332529
Diagonal
2810667463.3568
Surface area
2.3699554768718E+19
Volume
7.85024851229E+27
Space diagonal
3442350560.9335
Perimeter
5962326069
Area
1.7103680406742E+18
Altitude
1721175280.4667
Surface area
1.7103680406742E+18
Volume
9.2516065950665E+26
Height
936889154.45227