157057991 is an odd 9-digits composite number following 157057990
and preceding 157057992 . In scientific notation, it is written as 1.57057991 × 10^8.
The sum of its digits is 44. It has a total of 3 prime factors and 8 positive divisors.
There are 155159712 positive integers (up to 157057991) that are relatively prime to 157057991.
157057991 has 8 divisors, whose sum is 158964960
The reverse of 157057991 is 199750751
Previous prime number is 373
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 44
Digital Root 8
Name
one hundred fifty-seven million fifty-seven thousand nine hundred ninety-one
Scientific notation
1.57057991 × 10^8
Engineering notation
1.57057991 × 10^6
Prime Factorization
109 × 373 × 3863
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
157057991
Product of the distinct prime numbers
The prime factorization of 157057991 is 109 × 373 × 3863.
Since it has a total of 3 prime factors.
7 , 4 , 77 , 3 , 441 , 583 , 5116 , 5066 , 49169 , 47982 , 582031 , 968670 , 4827236 , 3327429 , 39942283 , 70555135 , 191686135 , 547530835 , 7166651145 , 8512734645
n×2
314115982
n×3
471173973
n×4
628231964
n×5
785289955
n÷2
78528995.5
n÷3
52352663.666667
n÷3
39264497.75
n÷5
31411598.2
n2
24667212536956081
n3
3.8741828446243E+24
n4
6.0847137434336E+32
n5
9.5565291635378E+40
2 √n
12532.277965318
3 √n
539.53548416185
4 √n
111.94765725694
5 √n
43.572452745394
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
-157057990
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 157057991 can be divided by 8 positive divisors.
The sum of these divisors (counting 157057991) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010111001000001111000111
3
Ternary
101221112101001122
4
Quaternary
21113020033013
5
Quinary
310201323431
6
Senary
23330144155
8
Octal
1127101707
10
Decimal
157057991
12
Duodecimal
4472205b
16
Hexadecimal
95c83c7
20
Vigesimal
291c4jb
36
Base36
2liapz
md5
e4ccfe240a3a4809083c071d8a1db076
sha1
564cd815d4ddfef95415ff51e0989a9c4854abc9
sha256
8843b9007d932ec568a088dfe8eda0189178eec657b8fa5a31e241b492fba245
sha512
dcdce11cb43c53dc9aded5bcc2add0de50811a8f1c13ef5183850784e2f82c2e5d491cb446ba7b4666393a2cd93b070b2457c0d621b73eb371c29641b6d8d4de
ripemd-160
ff89016a63e58703fd8a2d01d30aeeebe6ffa73f
Diameter
314115982
Circumference
986824461.42634
Area
7.7494333690639E+16
Volume
1.6228139151114E+25
Surface area
3.0997733476256E+17
Circumference
986824461.42634
Perimeter
628231964
Area
24667212536956081
Diagonal
222113540.95127
Surface area
148003275221736486
Volume
3.8741828446243E+24
Space diagonal
272032420.1467
Perimeter
471173973
Area
1.0681216348777E+16
Altitude
136016210.07335
Surface area
1.0681216348777E+16
Volume
4.5657682683174E+23
Height
74037846.983757