1998955215 is an odd 10-digits composite number following 1998955214
and preceding 1998955216 . In scientific notation, it is written as 1.998955215 × 10^9.
The sum of its digits is 54. It has a total of 4 prime factors and 16 positive divisors.
There are 1061856000 positive integers (up to 1998955215) that are relatively prime to 1998955215.
1998955215 has 16 divisors, whose sum is 2854301184
The reverse of 1998955215 is 5125598991
Previous prime number is 251
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 54
Digital Root 9
Name
one billion nine hundred ninety-eight million nine hundred fifty-five thousand two hundred fifteen
Scientific notation
1.998955215 × 10^9
Engineering notation
1.998955215 × 10^9
Prime Factorization
15 × 3 × 251 × 176977
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1998955215
Product of the distinct prime numbers
The prime factorization of 1998955215 is 15 × 3 × 251 × 176977.
Since it has a total of 4 prime factors.
2 , 5 , 68 , 74 , 372 , 748 , 5542 , 5064 , 69008 , 53733 , 771710 , 387386 , 4807286 , 6310540 , 92139617 , 81927102 , 433290791 , 358349509 , 4621147588 , 4154978713
n×2
3997910430
n×3
5996865645
n×4
7995820860
n×5
9994776075
n÷2
999477607.5
n÷3
666318405
n÷3
499738803.75
n÷5
399791043
n2
3995821951575696225
n3
7.9874691283137E+27
n4
1.5966593068694E+37
n5
3.1916504480449E+46
2 √n
44709.676972664
3 √n
1259.7016205787
4 √n
211.44662913526
5 √n
72.470392395761
1 , 3 , 15 , 45 , 251 , 753 , 3765 , 11295 , 176977 , 530931 , 2654655 , 7963965 , 44421227 , 133263681 , 666318405 , 1998955215
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
-1998955214
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 1998955215 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998955215) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111001001011010001011001111
3
Ternary
12011022101110001100
4
Quaternary
1313021122023033
5
Quinary
13043213031330
6
Senary
530204314143
8
Octal
16711321317
10
Decimal
1998955215
12
Duodecimal
479542953
16
Hexadecimal
7725a2cf
20
Vigesimal
1b4d980f
36
Base36
x24jpr
md5
56e8703fc7fc48441b984b6ee4608d94
sha1
262530900001ab14d6d7548e7eed03e6ffd2e2d0
sha256
89c9d5b7de9ba2d9ce6272817fc5357be82718295d3adc13310bd9f3674229d4
sha512
f86879f8f76ffe9e9a90dc21ea017cbdadafbc1dde27fc22d8071aa4c4d2cf42a2c8e1983dc5b9b3eac2dc398bc8f78c6cdd1cc6301e88305611ff1f976f07c8
ripemd-160
22f0be58e3f500d62ecd8c027c9c286f03bc4031
Diameter
3997910430
Circumference
12559806036.598
Area
1.2553244888123E+19
Volume
3.3457832445714E+28
Surface area
5.0212979552492E+19
Circumference
12559806036.598
Perimeter
7995820860
Area
3995821951575696225
Diagonal
2826949575.6294
Surface area
2.3974931709454E+19
Volume
7.9874691283137E+27
Space diagonal
3462291994.4348
Perimeter
5996865645
Area
1.730241659532E+18
Altitude
1731145997.2174
Surface area
1.730241659532E+18
Volume
9.4133226419147E+26
Height
942316525.20981