1998937154 is an even 10-digits composite number following 1998937153
and preceding 1998937155 . In scientific notation, it is written as 1.998937154 × 10^9.
The sum of its digits is 56. It has a total of 2 prime factors and 4 positive divisors.
There are 999468576 positive integers (up to 1998937154) that are relatively prime to 1998937154.
1998937154 has 4 divisors, whose sum is 2998405734
The reverse of 1998937154 is 4517398991
Previous prime number is 2
Is Prime? no
Number parity even
Number length 10
Sum of Digits 56
Digital Root 2
Name
one billion nine hundred ninety-eight million nine hundred thirty-seven thousand one hundred fifty-four
Scientific notation
1.998937154 × 10^9
Engineering notation
1.998937154 × 10^9
Prime Factorization
2 × 999468577
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
1998937154
Product of the distinct prime numbers
The prime factorization of 1998937154 is 2 × 999468577.
Since it has a total of 2 prime factors.
1 , 3 , 20 , 66 , 421 , 44 , 4734 , 7053 , 91288 , 47644 , 285634 , 926833 , 1730172 , 333090 , 56707975 , 19406455 , 699288111 , 881127775 , 4631248813 , 3877906476
n×2
3997874308
n×3
5996811462
n×4
7995748616
n×5
9994685770
n÷2
999468577
n÷3
666312384.66667
n÷3
499734288.5
n÷5
399787430.8
n2
3995749745641619716
n3
7.9872526246491E+27
n4
1.5966016029795E+37
n5
3.1915062643317E+46
2 √n
44709.474991326
3 √n
1259.6978266735
4 √n
211.44615151694
5 √n
72.4702614381
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-1998937153
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 1998937154 can be divided by 4 positive divisors.
The sum of these divisors (counting 1998937154) is 1, the average is 0.25.
Base
System
Value
2
Binary
1110111001001010101110001000010
3
Ternary
12011022100112021102
4
Quaternary
1313021111301002
5
Quinary
13043211442104
6
Senary
530204054402
8
Octal
16711256102
10
Decimal
1998937154
12
Duodecimal
479534402
16
Hexadecimal
77255c42
20
Vigesimal
1b4d72he
36
Base36
x245s2
md5
68f202c2bebf358f218bacf256e99311
sha1
197c94d558eb6015487981aeef11d9250fcffec5
sha256
90640334b384753e98ade5a766f497d100e3c3f9881b33092285cbd162efe15e
sha512
a392936550fcf39ecd982cf7941f0cbe5a7d1af0690a76f6f2f566710075a543e0afe24bdf898d22afa30db8bd9f7f213f130e3345e5a57b1973e58ad6c6252d
ripemd-160
c86bd8c2de4d8f9949f67a013f275c29a0f69634
Diameter
3997874308
Circumference
12559692555.988
Area
1.2553018046491E+19
Volume
3.3456925557284E+28
Surface area
5.0212072185964E+19
Circumference
12559692555.988
Perimeter
7995748616
Area
3995749745641619716
Diagonal
2826924033.5183
Surface area
2.397449847385E+19
Volume
7.9872526246491E+27
Space diagonal
3462260711.8651
Perimeter
5996811462
Area
1.7302103934454E+18
Altitude
1731130355.9326
Surface area
1.7302103934454E+18
Volume
9.413067489899E+26
Height
942308011.17276