157415981 is an odd 9-digits prime number following 157415980
and preceding 157415982 . In scientific notation, it is written as 1.57415981 × 10^8.
The sum of its digits is 41. It has a total of 1 prime factors and 2 positive divisors.
There are 157415980 positive integers (up to 157415981) that are relatively prime to 157415981.
157415981 has 2 divisors, whose sum is 157415982
The reverse of 157415981 is 189514751
Previous prime number is 1
Is Prime? yes Number parity odd Number length 9 Sum of Digits 41 Digital Root 5
Name
one hundred fifty-seven million four hundred fifteen thousand nine hundred eighty-one
Scientific notation
1.57415981 × 10^8
Engineering notation
1.57415981 × 10^6
Prime Factorization
157415981
Composite number
ω Distinct Factors
1 Total number of distinct prime factors
Ω Total Factors
1 Total number of prime factors
rad Radical
157415981 Product of the distinct prime numbers
The prime factorization of 157415981 is 157415981.
Since it has a total of 1 prime factors.
9 , 5 , 32 , 90 , 201 , 817 , 3279 , 4657 , 29938 , 53716 , 966650 , 321294 , 156658 , 9251756 , 57287889 , 75708080 , 429048501 , 675622846 , 2645277857 , 3910095224
n×2
314831962
n×3
472247943
n×4
629663924
n×5
787079905
n÷2
78707990.5
n÷3
52471993.666667
n÷3
39353995.25
n÷5
31483196.2
n2
24779791074192361
n3
3.900735120919E+24
n4
6.1403804568062E+32
n5
9.6659401332138E+40
2 √n12546.552554387
3 √n539.94510301555
4 √n112.01139475244
5 √n43.592298026624
2 divisors
τ Total Divisors
2 Total number of the positive divisors of n
σ Sum of Divisors
157415982 Sum of all the positive divisors of n
s Aliquot Sum
1 Sum of the proper positive divisors of n
A Arithmetic Mean
78707991 Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G Geometric Mean
12546.552594239 Returns the nth root of the product of n divisors
H Harmonic Mean
1.9999999872948 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157415981 can be divided by 2 positive divisors.
The sum of these divisors (counting 157415981) is 157415982, the average is 78707991.
Base
System
Value
2
Binary
1001011000011111101000101101
3
Ternary
101222012120010112
4
Quaternary
21120133220231
5
Quinary
310244302411
6
Senary
23341545405
8
Octal
1130375055
10
Decimal
157415981
12
Duodecimal
44875265
16
Hexadecimal
961fa2d
20
Vigesimal
293gjj1
36
Base36
2lpyy5
md5
d16aa2e83fdcac2eb02b1223b4131c4d
sha1
495722ff5a7f59f773bb888e2da47183f1ee2948
sha256
9bc6a458b8f0f6a02e149edad3022816489f28c4b1981781343dd6e302dc94bb
sha512
980475271245d863d75e88649cc6a0af4190e9554edaa7bcfb972522272402779e18c2610bf50a84770c151bb1dfe4aada8f41e448ef56c16a33f4905b21f10f
ripemd-160
d72dd82a8e8d5a329f1740bd82954f1e612f42e3
Diameter
314831962
Circumference
989073778.93446
Area
7.7848009596173E+16
Volume
1.6339361065972E+25
Surface area
3.1139203838469E+17
Circumference
989073778.93446
Perimeter
629663924
Area
24779791074192361
Diagonal
222619815.26447
Surface area
148678746445154166
Volume
3.900735120919E+24
Space diagonal
272652477.0153
Perimeter
472247943
Area
1.0729964285361E+16
Altitude
136326238.50765
Surface area
1.0729964285361E+16
Volume
4.597060426024E+23
Height
74206605.088155