1985655208 is an even 10-digits composite number following 1985655207
and preceding 1985655209 . In scientific notation, it is written as 1.985655208 × 10^9.
The sum of its digits is 49. It has a total of 5 prime factors and 16 positive divisors.
There are 992496816 positive integers (up to 1985655208) that are relatively prime to 1985655208.
1985655208 has 16 divisors, whose sum is 3724344000
The reverse of 1985655208 is 8025565891
Previous prime number is 3119
Is Prime? no
Number parity even
Number length 10
Sum of Digits 49
Digital Root 4
Name
one billion nine hundred eighty-five million six hundred fifty-five thousand two hundred eight
Scientific notation
1.985655208 × 10^9
Engineering notation
1.985655208 × 10^9
Prime Factorization
2 × 2 × 2 × 3119 × 79579
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
5
Total number of prime factors
rad
Radical
496413802
Product of the distinct prime numbers
The prime factorization of 1985655208 is 2 × 2 × 2 × 3119 × 79579.
Since it has a total of 5 prime factors.
1 , 10 , 79 , 26 , 864 , 515 , 4718 , 8005 , 20904 , 40141 , 407267 , 644614 , 3009543 , 876950 , 33389261 , 41292388 , 749336652 , 925437750 , 6693869941 , 538876764
n×2
3971310416
n×3
5956965624
n×4
7942620832
n×5
9928276040
n÷2
992827604
n÷3
661885069.33333
n÷3
496413802
n÷5
397131041.6
n2
3942826605057523264
n3
7.8290941825734E+27
n4
1.5545881637549E+37
n5
3.0868760836552E+46
2 √n
44560.691287277
3 √n
1256.901601889
4 √n
211.09403422948
5 √n
72.373698662191
1 , 2 , 4 , 8 , 3119 , 6238 , 12476 , 24952 , 79579 , 159158 , 318316 , 636632 , 248206901 , 496413802 , 992827604 , 1985655208
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
-1985655207
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 1985655208 can be divided by 16 positive divisors.
The sum of these divisors (counting 1985655208) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110110010110101011000110101000
3
Ternary
12010101100201212111
4
Quaternary
1312112223012220
5
Quinary
13031311431313
6
Senary
525011252104
8
Octal
16626530650
10
Decimal
1985655208
12
Duodecimal
474baa034
16
Hexadecimal
765ab1a8
20
Vigesimal
1b0a6i08
36
Base36
wu7hd4
md5
38e6b66e3f53cc938326900dfcfecea7
sha1
03e3daeff84d9a00ed5c21bf899efe222e4add6b
sha256
983249096cb57c22e194b46baef6117d76568f02a856f49edc122665e34fc446
sha512
428f7aa7b85e26284e6efbb8f7b08dc4857d19966408794a16a3cf91cbbf11fb841fa8e789d1101cb3e50b8dc809447b42272b1963b219ebf732bbcb8a5953a9
ripemd-160
a625afd88a93a4ebeac2ebe2d98390426f844924
Diameter
3971310416
Circumference
12476239628.03
Area
1.2386755096827E+19
Volume
3.2794433024314E+28
Surface area
4.9547020387308E+19
Circumference
12476239628.03
Perimeter
7942620832
Area
3942826605057523264
Diagonal
2808140525.3504
Surface area
2.3656959630345E+19
Volume
7.8290941825734E+27
Space diagonal
3439255706.5697
Perimeter
5956965624
Area
1.7072940013485E+18
Altitude
1719627853.2849
Surface area
1.7072940013485E+18
Volume
9.2266759784097E+26
Height
936046841.78346