208889387 is an odd 9-digits composite number following 208889386
and preceding 208889388 . In scientific notation, it is written as 2.08889387 × 10^8.
The sum of its digits is 53. It has a total of 4 prime factors and 16 positive divisors.
There are 168240768 positive integers (up to 208889387) that are relatively prime to 208889387.
208889387 has 16 divisors, whose sum is 253186560
The reverse of 208889387 is 783988802
Previous prime number is 1979
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
two hundred eight million eight hundred eighty-nine thousand three hundred eighty-seven
Scientific notation
2.08889387 × 10^8
Engineering notation
2.08889387 × 10^6
Prime Factorization
17 × 7 × 1979 × 887
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
208889387
Product of the distinct prime numbers
The prime factorization of 208889387 is 17 × 7 × 1979 × 887.
Since it has a total of 4 prime factors.
3 , 5 , 17 , 33 , 239 , 222 , 5345 , 4491 , 46166 , 4232 , 427099 , 663974 , 9238537 , 1578717 , 44626441 , 57024240 , 527153030 , 500274642 , 6968015500 , 2534999954
n×2
417778774
n×3
626668161
n×4
835557548
n×5
1044446935
n÷2
104444693.5
n÷3
69629795.666667
n÷3
52222346.75
n÷5
41777877.4
n2
43634776001235769
n3
9.1148416107805E+24
n4
1.903993676678E+33
n5
3.9772407197315E+41
2 √n
14453.00615789
3 √n
593.34250182216
4 √n
120.22065611986
5 √n
46.129980931477
1 , 7 , 17 , 119 , 887 , 1979 , 6209 , 13853 , 15079 , 33643 , 105553 , 235501 , 1755373 , 12287611 , 29841341 , 208889387
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
-208889386
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 208889387 can be divided by 16 positive divisors.
The sum of these divisors (counting 208889387) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1100011100110110011000101011
3
Ternary
112120001200100222
4
Quaternary
30130312120223
5
Quinary
411433430022
6
Senary
32421120255
8
Octal
1434663053
10
Decimal
208889387
12
Duodecimal
59b5908b
16
Hexadecimal
c73662b
20
Vigesimal
355b397
36
Base36
3gd82z
md5
d8a720e88668be55076718f7b4619e2a
sha1
24a7f1fa9b69710a07d5955bdbed0541dae04bc2
sha256
6d8f232509a3de40ab7286e3541ec6589c41163c26827862d53cfecdd49b4400
sha512
9cc32794def9f80013fa8526f39dd11b9b1a2f61072f324b64b278bc0f073e20bce59f2b9cc466131be3e80bfaf0e59289d5ac7661509a85eb7c94977907d731
ripemd-160
83ef47c0bcd1339229a256f05c523fd9db8f1be4
Diameter
417778774
Circumference
1312490727.2242
Area
1.3708269172652E+17
Volume
3.8180159257417E+25
Surface area
5.4833076690607E+17
Circumference
1312490727.2242
Perimeter
835557548
Area
43634776001235769
Diagonal
295414204.1312
Surface area
261808656007414614
Volume
9.1148416107805E+24
Space diagonal
361807031.44592
Perimeter
626668161
Area
1.8894412252757E+16
Altitude
180903515.72296
Surface area
1.8894412252757E+16
Volume
1.074194385404E+24
Height
98471401.377067