998420157 is an odd 9-digits composite number following 998420156
and preceding 998420158 . In scientific notation, it is written as 9.98420157 × 10^8.
The sum of its digits is 45. It has a total of 3 prime factors and 8 positive divisors.
There are 570525768 positive integers (up to 998420157) that are relatively prime to 998420157.
998420157 has 8 divisors, whose sum is 1267835200
The reverse of 998420157 is 751024899
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
nine hundred ninety-eight million four hundred twenty thousand one hundred fifty-seven
Scientific notation
9.98420157 × 10^8
Engineering notation
9.98420157 × 10^6
Prime Factorization
7 × 9 × 15847939
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
998420157
Product of the distinct prime numbers
The prime factorization of 998420157 is 7 × 9 × 15847939.
Since it has a total of 3 prime factors.
3 , 8 , 57 , 63 , 966 , 354 , 3439 , 981 , 12696 , 67036 , 623634 , 408309 , 7950595 , 6667410 , 41282404 , 54024426 , 227847791 , 806929402 , 642951354 , 4400366503
n×2
1996840314
n×3
2995260471
n×4
3993680628
n×5
4992100785
n÷2
499210078.5
n÷3
332806719
n÷3
249605039.25
n÷5
199684031.4
n2
996842809903904649
n3
9.9526795476858E+26
n4
9.9369558765711E+35
n5
9.9212570463882E+44
2 √n
31597.787216829
3 √n
999.47310810035
4 √n
177.75766429842
5 √n
63.075785566713
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
-998420156
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 998420157 can be divided by 8 positive divisors.
The sum of these divisors (counting 998420157) is 1, the average is 0.125.
Base
System
Value
2
Binary
111011100000101010111010111101
3
Ternary
2120120200222222100
4
Quaternary
323200222322331
5
Quinary
4021043421112
6
Senary
243023335313
8
Octal
7340527275
10
Decimal
998420157
12
Duodecimal
23a451539
16
Hexadecimal
3b82aebd
20
Vigesimal
fc02a7h
36
Base36
giflx9
md5
c15b4c1abfa985480e83a458dfe5ea6f
sha1
de91ce613b0a153b385fd0baa09faacf27f5f340
sha256
57cda27fc92ce493d427549924dfbd7bc7f23003103bffed3534578118e6c7ee
sha512
fe01fd6ae6fb6944eca22948217d0d10c60457b6ca1eb86dcde634ee458ddf6de6e8d801acf8e85ad7cb684a2196655abacffb6d013439846bc4ec32810d2370
ripemd-160
5d89cb47e0ed242d79e50b32cd2254c608ec4fd0
Diameter
1996840314
Circumference
6273258860.8543
Area
3.1316740483779E+18
Volume
4.1689686600724E+27
Surface area
1.2526696193512E+19
Circumference
6273258860.8543
Perimeter
3993680628
Area
996842809903904649
Diagonal
1411979326.9761
Surface area
5981056859423427894
Volume
9.9526795476858E+26
Space diagonal
1729314439.2249
Perimeter
2995260471
Area
4.3164559847832E+17
Altitude
864657219.61245
Surface area
4.3164559847832E+17
Volume
1.1729345331909E+26
Height
470659775.65869