208789021 is an odd 9-digits composite number following 208789020
and preceding 208789022 . In scientific notation, it is written as 2.08789021 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 176696208 positive integers (up to 208789021) that are relatively prime to 208789021.
208789021 has 8 divisors, whose sum is 241637120
The reverse of 208789021 is 120987802
Previous prime number is 79
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
two hundred eight million seven hundred eighty-nine thousand twenty-one
Scientific notation
2.08789021 × 10^8
Engineering notation
2.08789021 × 10^6
Prime Factorization
7 × 79 × 377557
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
208789021
Product of the distinct prime numbers
The prime factorization of 208789021 is 7 × 79 × 377557.
Since it has a total of 3 prime factors.
2 , 1 , 9 , 22 , 93 , 926 , 8425 , 2276 , 41358 , 38617 , 310665 , 839093 , 1851419 , 5664319 , 73444889 , 95522432 , 121183018 , 229850009 , 3848866821 , 6082018264
n×2
417578042
n×3
626367063
n×4
835156084
n×5
1043945105
n÷2
104394510.5
n÷3
69596340.333333
n÷3
52197255.25
n÷5
41757804.2
n2
43592855290138441
n3
9.1017095786227E+24
n4
1.900337032347E+33
n5
3.9676950855377E+41
2 √n
14449.533591089
3 √n
593.2474579737
4 √n
120.20621278074
5 √n
46.125547224427
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-208789020
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 208789021 can be divided by 8 positive divisors.
The sum of these divisors (counting 208789021) is 1, the average is 0.125.
Base
System
Value
2
Binary
1100011100011101111000011101
3
Ternary
112112212120200201
4
Quaternary
30130131320131
5
Quinary
411422222041
6
Senary
32415023501
8
Octal
1434357035
10
Decimal
208789021
12
Duodecimal
59b0ab91
16
Hexadecimal
c71de1d
20
Vigesimal
354icb1
36
Base36
3gb2n1
md5
f148cf83434024610c15eb7a8631af6d
sha1
9706179ee6f5f836f7d9dafb0f3f46b9e42f6072
sha256
dfba847fce886ead71236b05a3d2eb6543272b681fbfa8190f1a9df9036ac9be
sha512
92ffe02276f698d424776a350f33997260fe12edbae25d30dd76141310746a523eb6f8544e9acb3d3ec0421816795c23fdc1e534b858ee3ca7d4eca44ef5c527
ripemd-160
f80f04e54a3eeb847de010ff341ade4a15eb087f
Diameter
417578042
Circumference
1311860109.0476
Area
1.369509939285E+17
Volume
3.8125151929745E+25
Surface area
5.4780397571401E+17
Circumference
1311860109.0476
Perimeter
835156084
Area
43592855290138441
Diagonal
295272265.1728
Surface area
261557131740830646
Volume
9.1017095786227E+24
Space diagonal
361633192.43457
Perimeter
626367063
Area
1.8876260052379E+16
Altitude
180816596.21728
Surface area
1.8876260052379E+16
Volume
1.0726467605724E+24
Height
98424088.390934