157097991 is an odd 9-digits composite number following 157097990
and preceding 157097992 . In scientific notation, it is written as 1.57097991 × 10^8.
The sum of its digits is 48. It has a total of 2 prime factors and 4 positive divisors.
There are 104731992 positive integers (up to 157097991) that are relatively prime to 157097991.
157097991 has 4 divisors, whose sum is 209463992
The reverse of 157097991 is 199790751
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 48
Digital Root 3
Name
one hundred fifty-seven million ninety-seven thousand nine hundred ninety-one
Scientific notation
1.57097991 × 10^8
Engineering notation
1.57097991 × 10^6
Prime Factorization
3 × 52365997
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157097991
Product of the distinct prime numbers
The prime factorization of 157097991 is 3 × 52365997.
Since it has a total of 2 prime factors.
3 , 2 , 3 , 63 , 743 , 909 , 3526 , 1012 , 3081 , 81084 , 586856 , 427472 , 5508950 , 3294861 , 82855074 , 30212245 , 72846228 , 640085659 , 9493851492 , 4616759346
n×2
314195982
n×3
471293973
n×4
628391964
n×5
785489955
n÷2
78548995.5
n÷3
52365997
n÷3
39274497.75
n÷5
31419598.2
n2
24679778776236081
n3
3.8771436640711E+24
n4
6.0909148044395E+32
n5
9.5687047912961E+40
2 √n
12533.873742782
3 √n
539.58128377881
4 √n
111.95478436754
5 √n
43.574671951907
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
-157097990
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 157097991 can be divided by 4 positive divisors.
The sum of these divisors (counting 157097991) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111010010000000000111
3
Ternary
101221121101221010
4
Quaternary
21113102000013
5
Quinary
310204113431
6
Senary
23331053303
8
Octal
1127220007
10
Decimal
157097991
12
Duodecimal
44741233
16
Hexadecimal
95d2007
20
Vigesimal
291h4jb
36
Base36
2lj5l3
md5
8f20fd6246d1917daaa74919a58614c4
sha1
76bdfd5f0d145a821d269ec2f12bda91420089e7
sha256
4ad4ce0aa0c9e5522be272fd563d3f40644fa6fab8b00e2808444eb93160a47c
sha512
67dc0bb1797ac56ad89ea9f7111a4e350a353463429b9db24f24e663dcd90283e5ef2f79d647644484f87a0ace57d512ff41a811b2f6ba93579055aa10f5420a
ripemd-160
d1b81983642857f96135ee7d792505c0960257ce
Diameter
314195982
Circumference
987075788.83863
Area
7.7533811695645E+16
Volume
1.6240541402611E+25
Surface area
3.1013524678258E+17
Circumference
987075788.83863
Perimeter
628391964
Area
24679778776236081
Diagonal
222170109.49377
Surface area
148078672657416486
Volume
3.8771436640711E+24
Space diagonal
272101702.179
Perimeter
471293973
Area
1.068665769E+16
Altitude
136050851.0895
Surface area
1.068665769E+16
Volume
4.5692576274986E+23
Height
74056703.164589