2145087 is an odd 7-digits composite number following 2145086
and preceding 2145088 . In scientific notation, it is written as 2.145087 × 10^6.
The sum of its digits is 27. It has a total of 4 prime factors and 16 positive divisors.
There are 1207440 positive integers (up to 2145087) that are relatively prime to 2145087.
2145087 has 16 divisors, whose sum is 2764800
The reverse of 2145087 is 7805412
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 7
Sum of Digits 27
Digital Root 9
Name
two million one hundred forty-five thousand eighty-seven
Scientific notation
2.145087 × 10^6
Engineering notation
2.145087 × 10^6
Prime Factorization
9 × 7 × 79 × 431
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
2145087
Product of the distinct prime numbers
The prime factorization of 2145087 is 9 × 7 × 79 × 431.
Since it has a total of 4 prime factors.
2 , 1 , 72 , 27 , 324 , 405 , 26 , 5603 , 70463 , 93090 , 597375 , 45760 , 8258702 , 703456 , 87165078 , 1306850 , 225849656 , 932359438 , 5199770468 , 9994915746
n×2
4290174
n×3
6435261
n×4
8580348
n×5
10725435
n÷2
1072543.5
n÷3
715029
n÷3
536271.75
n÷5
429017.4
n2
4601398237569
n3
9.8703995412322E+18
n4
2.1172865740703E+25
n5
4.5417639053128E+31
2 √n
1464.6115525968
3 √n
128.96790259658
4 √n
38.270243696595
5 √n
18.462435121688
1 , 7 , 9 , 63 , 79 , 431 , 553 , 711 , 3017 , 3879 , 4977 , 27153 , 34049 , 238343 , 306441 , 2145087
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
-2145086
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 2145087 can be divided by 16 positive divisors.
The sum of these divisors (counting 2145087) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1000001011101100111111
3
Ternary
11000222111200
4
Quaternary
20023230333
5
Quinary
1022120322
6
Senary
113550543
8
Octal
10135477
10
Decimal
2145087
12
Duodecimal
875453
16
Hexadecimal
20bb3f
20
Vigesimal
d82e7
36
Base36
19z5r
md5
fc900402c6fa2fb1bb48f811418c9182
sha1
d10717ac69b2aca65d736a0b45c4ab79e764938e
sha256
1f203966c1967a8a7131de51886aad1d62a8b12fc9e5f2b504d8e58954cd91ad
sha512
b9379f34f3867dea8e14304b6021c3ee3154132692833e29172fe59eee63e5c51993d8d9e52499f1fbbb2b802c7f2a4ce439361168b06b28f952a5f33b2afeff
ripemd-160
aefb002a81dd553f38bf2d83b7154aac6b117b55
Diameter
4290174
Circumference
13477979.121022
Area
14455718899388
Volume
4.1345032915641E+19
Surface area
57822875597551
Circumference
13477979.121022
Perimeter
8580348
Area
4601398237569
Diagonal
3033611.1278702
Surface area
27608389425414
Volume
9.8703995412322E+18
Space diagonal
3715399.6706555
Perimeter
6435261
Area
1992463883331.8
Altitude
1857699.8353278
Surface area
1992463883331.8
Volume
1.1632377414376E+18
Height
1011203.7092901