157331281 is an odd 9-digits composite number following 157331280
and preceding 157331282 . In scientific notation, it is written as 1.57331281 × 10^8.
The sum of its digits is 31. It has a total of 2 prime factors and 4 positive divisors.
There are 153672372 positive integers (up to 157331281) that are relatively prime to 157331281.
157331281 has 4 divisors, whose sum is 160990192
The reverse of 157331281 is 182133751
Previous prime number is 43
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 31
Digital Root 4
Name
one hundred fifty-seven million three hundred thirty-one thousand two hundred eighty-one
Scientific notation
1.57331281 × 10^8
Engineering notation
1.57331281 × 10^6
Prime Factorization
43 × 3658867
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157331281
Product of the distinct prime numbers
The prime factorization of 157331281 is 43 × 3658867.
Since it has a total of 2 prime factors.
3 , 7 , 55 , 23 , 909 , 37 , 9212 , 6937 , 81619 , 77397 , 180259 , 410656 , 4540121 , 2994491 , 83041047 , 21315936 , 486894464 , 614845957 , 9619716946 , 1686716322
n×2
314662562
n×3
471993843
n×4
629325124
n×5
786656405
n÷2
78665640.5
n÷3
52443760.333333
n÷3
39332820.25
n÷5
31466256.2
n2
24753131981100961
n3
3.8944419633487E+24
n4
6.127175428738E+32
n5
9.6399635911508E+40
2 √n
12543.176671003
3 √n
539.84824382144
4 √n
111.99632436381
5 √n
43.587605920336
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
-157331280
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 157331281 can be divided by 4 positive divisors.
The sum of these divisors (counting 157331281) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000001010111101010001
3
Ternary
101222001020221111
4
Quaternary
21120022331101
5
Quinary
310234100111
6
Senary
23340053321
8
Octal
1130127521
10
Decimal
157331281
12
Duodecimal
44834241
16
Hexadecimal
960af51
20
Vigesimal
2936841
36
Base36
2lo5ld
md5
9578ae4c102f6284287d4d295589bbaa
sha1
faccaa7088156cc15257bb5e0b11ae813ac4f609
sha256
b2a339e8edbc96bce7bdcc973240fa44ec00bd16d508949e9e60c1ac4b9d1096
sha512
0c85895b47718c6e52800543d9d08381ef7991968730f5af6d2a1e571cb8feb25661916949a43b4b8a2956e42d4414f5018ceb7a470e355c0fadea03f956c848
ripemd-160
ebc6a3ae3c8e199891a2df86d05600584e74255c
Diameter
314662562
Circumference
988541593.13894
Area
7.7764257585165E+16
Volume
1.6313000349184E+25
Surface area
3.1105703034066E+17
Circumference
988541593.13894
Perimeter
629325124
Area
24753131981100961
Diagonal
222500031.37573
Surface area
148518791886605766
Volume
3.8944419633487E+24
Space diagonal
272505772.3119
Perimeter
471993843
Area
1.0718420559431E+16
Altitude
136252886.15595
Surface area
1.0718420559431E+16
Volume
4.5896438687022E+23
Height
74166677.125244