1998937157 is an odd 10-digits composite number following 1998937156
and preceding 1998937158 . In scientific notation, it is written as 1.998937157 × 10^9.
The sum of its digits is 59. It has a total of 4 prime factors and 16 positive divisors.
There are 1680782400 positive integers (up to 1998937157) that are relatively prime to 1998937157.
1998937157 has 16 divisors, whose sum is 2328374400
The reverse of 1998937157 is 7517398991
Previous prime number is 101
Is Prime? no
Number parity odd
Number length 10
Sum of Digits 59
Digital Root 5
Name
one billion nine hundred ninety-eight million nine hundred thirty-seven thousand one hundred fifty-seven
Scientific notation
1.998937157 × 10^9
Engineering notation
1.998937157 × 10^9
Prime Factorization
7 × 109 × 101 × 25939
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
1998937157
Product of the distinct prime numbers
The prime factorization of 1998937157 is 7 × 109 × 101 × 25939.
Since it has a total of 4 prime factors.
6 , 9 , 45 , 52 , 592 , 956 , 2730 , 9001 , 88942 , 27624 , 465098 , 76666 , 9730559 , 6148892 , 24661580 , 15409076 , 127437177 , 607848419 , 3317339591 , 1502985018
n×2
3997874314
n×3
5996811471
n×4
7995748628
n×5
9994685785
n÷2
999468578.5
n÷3
666312385.66667
n÷3
499734289.25
n÷5
399787431.4
n2
3995749757635242649
n3
7.9872526606108E+27
n4
1.5966016125642E+37
n5
3.1915062882807E+46
2 √n
44709.475024876
3 √n
1259.6978273037
4 √n
211.44615159628
5 √n
72.470261459853
1 , 7 , 101 , 109 , 707 , 763 , 11009 , 25939 , 77063 , 181573 , 2619839 , 2827351 , 18338873 , 19791457 , 285562451 , 1998937157
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
-1998937156
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 1998937157 can be divided by 16 positive divisors.
The sum of these divisors (counting 1998937157) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1110111001001010101110001000101
3
Ternary
12011022100112021112
4
Quaternary
1313021111301011
5
Quinary
13043211442112
6
Senary
530204054405
8
Octal
16711256105
10
Decimal
1998937157
12
Duodecimal
479534405
16
Hexadecimal
77255c45
20
Vigesimal
1b4d72hh
36
Base36
x245s5
md5
05f791c98e0e76271917ade2bcf27150
sha1
9a8bf98939a9020ee751a992ab2dd29805ff0a28
sha256
6fba6ecd48e81e4734dd8828a63b49f53232f974811d388fdc1fa03dd3733cb6
sha512
2f8843934e3cd0978abc22af791878468bf9e2a0115ab1603fcb8121555d69b5e0c71e1be984c4edc2325322c709c80a8602c2c67a011f1072e4c8fa02c09ecd
ripemd-160
7a184c33527a514581add9a172aabbce66e8e9f4
Diameter
3997874314
Circumference
12559692574.838
Area
1.255301808417E+19
Volume
3.3456925707921E+28
Surface area
5.021207233668E+19
Circumference
12559692574.838
Perimeter
7995748628
Area
3995749757635242649
Diagonal
2826924037.7609
Surface area
2.3974498545811E+19
Volume
7.9872526606108E+27
Space diagonal
3462260717.0613
Perimeter
5996811471
Area
1.7302103986388E+18
Altitude
1731130358.5306
Surface area
1.7302103986388E+18
Volume
9.4130675322804E+26
Height
942308012.58697