157055981 is an odd 9-digits composite number following 157055980
and preceding 157055982 . In scientific notation, it is written as 1.57055981 × 10^8.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 156544092 positive integers (up to 157055981) that are relatively prime to 157055981.
157055981 has 4 divisors, whose sum is 157567872
The reverse of 157055981 is 189550751
Previous prime number is 307
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 41
Digital Root 5
Name
one hundred fifty-seven million fifty-five thousand nine hundred eighty-one
Scientific notation
1.57055981 × 10^8
Engineering notation
1.57055981 × 10^6
Prime Factorization
307 × 511583
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157055981
Product of the distinct prime numbers
The prime factorization of 157055981 is 307 × 511583.
Since it has a total of 2 prime factors.
1 , 3 , 18 , 28 , 576 , 332 , 2255 , 6201 , 1224 , 63922 , 709679 , 557506 , 8014038 , 4625423 , 17076162 , 45442111 , 716407042 , 437290301 , 1930315983 , 688636708
n×2
314111962
n×3
471167943
n×4
628223924
n×5
785279905
n÷2
78527990.5
n÷3
52351993.666667
n÷3
39263995.25
n÷5
31411196.2
n2
24666581167872361
n3
3.8740341032363E+24
n4
6.0844022651124E+32
n5
9.5559176654584E+40
2 √n
12532.197772139
3 √n
539.53318252591
4 √n
111.94729908372
5 √n
43.572341218336
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
-157055980
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 157055981 can be divided by 4 positive divisors.
The sum of these divisors (counting 157055981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001010111000111101111101101
3
Ternary
101221112021022012
4
Quaternary
21113013233231
5
Quinary
310201242411
6
Senary
23330131005
8
Octal
1127075755
10
Decimal
157055981
12
Duodecimal
44720a65
16
Hexadecimal
95c7bed
20
Vigesimal
291bjj1
36
Base36
2li965
md5
628e117ac6a1e655ff5e7cdca44cce27
sha1
38a90f5dbbca4cc91c283c0a72937dc8a9543036
sha256
dd705c6ff4c68cdd735c305a24439675e869afe7daf9943a7cdb27b66f74a649
sha512
6db37836912b611a4ca386a28c4650634972d7673652843d3329d60c9985975fc570e3ba1c9dddcdc341906de7d0f049c71ea9e59baaa78da34e5cd296f87350
ripemd-160
518f57dc471e6125f852c405335bf67c78ab1464
Diameter
314111962
Circumference
986811832.22388
Area
7.7492350186164E+16
Volume
1.6227516104645E+25
Surface area
3.0996940074466E+17
Circumference
986811832.22388
Perimeter
628223924
Area
24666581167872361
Diagonal
222110698.38201
Surface area
147999487007234166
Volume
3.8740341032363E+24
Space diagonal
272028938.72457
Perimeter
471167943
Area
1.0680942957944E+16
Altitude
136014469.36229
Surface area
1.0680942957944E+16
Volume
4.5655929749106E+23
Height
74036899.46067