13875981 is an odd 8-digits composite number following 13875980
and preceding 13875982 . In scientific notation, it is written as 1.3875981 × 10^7.
The sum of its digits is 42. It has a total of 4 prime factors and 16 positive divisors.
There are 7909488 positive integers (up to 13875981) that are relatively prime to 13875981.
13875981 has 16 divisors, whose sum is 21196800
The reverse of 13875981 is 18957831
Previous prime number is 719
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 42
Digital Root 6
Name
thirteen million eight hundred seventy-five thousand nine hundred eighty-one
Scientific notation
1.3875981 × 10^7
Engineering notation
1.3875981 × 10^6
Prime Factorization
3 × 7 × 719 × 919
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
13875981
Product of the distinct prime numbers
The prime factorization of 13875981 is 3 × 7 × 719 × 919.
Since it has a total of 4 prime factors.
1 , 1 , 48 , 36 , 559 , 599 , 3070 , 7529 , 80632 , 8157 , 737152 , 629293 , 4946222 , 1298400 , 17024374 , 25779094 , 843611046 , 419208410 , 887354064 , 1906790072
n×2
27751962
n×3
41627943
n×4
55503924
n×5
69379905
n÷2
6937990.5
n÷3
4625327
n÷3
3468995.25
n÷5
2775196.2
n2
192542848712361
n3
2.6717209104186E+21
n4
3.7072748590271E+28
n5
5.1442075505638E+35
2 √n
3725.0477849284
3 √n
240.30043971519
4 √n
61.0331695468
5 √n
26.819627357637
1 , 3 , 7 , 21 , 719 , 919 , 2157 , 2757 , 5033 , 6433 , 15099 , 19299 , 660761 , 1982283 , 4625327 , 13875981
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
-13875980
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 13875981 can be divided by 16 positive divisors.
The sum of these divisors (counting 13875981) is 1, the average is 0.0625.
Base
System
Value
2
Binary
110100111011101100001101
3
Ternary
222002222021020
4
Quaternary
310323230031
5
Quinary
12023012411
6
Senary
1213224353
8
Octal
64735415
10
Decimal
13875981
12
Duodecimal
47920b9
16
Hexadecimal
d3bb0d
20
Vigesimal
46e9j1
36
Base36
89erx
md5
2269ec9554cd97f9720ef711ca72daf1
sha1
bbdaf9f795cab2bd47249274e061a8fc5bf91f31
sha256
f228caa143ff41c5e820a5fdd6457fd6d7903fd4dd5217611972b0d0f373a2cc
sha512
fa8e3d31f28f46e5408cbc3451e9bea54ae5838f526c54d4dfcd28e992a92a57a9458c1e03dc38364a6ec0402c77689c5baa5e25cc19102c911ce385e1b4bcc8
ripemd-160
dfdd190aa112f5d048fe2e82b77c7b07ce68124d
Diameter
27751962
Circumference
87185359.941903
Area
6.04891199016E+14
Volume
1.1191278379484E+22
Surface area
2.419564796064E+15
Circumference
87185359.941903
Perimeter
55503924
Area
192542848712361
Diagonal
19623600.521431
Surface area
1155257092274166
Volume
2.6717209104186E+21
Space diagonal
24033904.09686
Perimeter
41627943
Area
83373499150964
Altitude
12016952.04843
Surface area
83373499150964
Volume
3.1486532886581E+20
Height
6541200.1738105