157499891 is an odd 9-digits composite number following 157499890
and preceding 157499892 . In scientific notation, it is written as 1.57499891 × 10^8.
The sum of its digits is 53. It has a total of 2 prime factors and 4 positive divisors.
There are 156533472 positive integers (up to 157499891) that are relatively prime to 157499891.
157499891 has 4 divisors, whose sum is 158466312
The reverse of 157499891 is 198994751
Previous prime number is 163
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 53
Digital Root 8
Name
one hundred fifty-seven million four hundred ninety-nine thousand eight hundred ninety-one
Scientific notation
1.57499891 × 10^8
Engineering notation
1.57499891 × 10^6
Prime Factorization
163 × 966257
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157499891
Product of the distinct prime numbers
The prime factorization of 157499891 is 163 × 966257.
Since it has a total of 2 prime factors.
9 , 1 , 35 , 100 , 846 , 863 , 6629 , 5814 , 1183 , 62696 , 215139 , 946160 , 6520138 , 5346290 , 71987892 , 64995577 , 597749976 , 165187748 , 7169934145 , 3246581588
n×2
314999782
n×3
472499673
n×4
629999564
n×5
787499455
n÷2
78749945.5
n÷3
52499963.666667
n÷3
39374972.75
n÷5
31499978.2
n2
24806215665011881
n3
3.9069762633619E+24
n4
6.1534833561908E+32
n5
9.6917295787037E+40
2 √n
12549.896055346
3 √n
540.0410245467
4 √n
112.02631858339
5 √n
43.596944378331
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
-157499890
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 157499891 can be divided by 4 positive divisors.
The sum of these divisors (counting 157499891) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000110100000111110011
3
Ternary
101222100211020022
4
Quaternary
21120310013303
5
Quinary
310304444031
6
Senary
23343434055
8
Octal
1130640763
10
Decimal
157499891
12
Duodecimal
448b592b
16
Hexadecimal
96341f3
20
Vigesimal
29479eb
36
Base36
2lrroz
md5
445ef8ac56d6d5e94cebf53a38df2bfc
sha1
30420d4e5c5d09977c3d8f386a6ddbb0e387429d
sha256
dcef584fc36e1582db7c3b14c0118179d30374e0bad4081d01ac06ab7adec941
sha512
15fed1f390ff3d16359290c98d841c084648ae03a8a6c1b2cf199cc7c69da2db94fe82dc90608a6fd6ff71612a438f63aac3badd2359e5e3975a2249174a5bba
ripemd-160
3813b67753e5700a46cb88e0d2e81028461773a9
Diameter
314999782
Circumference
989601001.01359
Area
7.7931024896565E+16
Volume
1.6365503902303E+25
Surface area
3.1172409958626E+17
Circumference
989601001.01359
Perimeter
629999564
Area
24806215665011881
Diagonal
222738481.92448
Surface area
148837293990071286
Volume
3.9069762633619E+24
Space diagonal
272797813.39856
Perimeter
472499673
Area
1.0741406468828E+16
Altitude
136398906.69928
Surface area
1.0741406468828E+16
Volume
4.6044156829301E+23
Height
74246160.641495