157419981 is an odd 9-digits composite number following 157419980
and preceding 157419982 . In scientific notation, it is written as 1.57419981 × 10^8.
The sum of its digits is 45. It has a total of 5 prime factors and 24 positive divisors.
There are 100025376 positive integers (up to 157419981) that are relatively prime to 157419981.
157419981 has 24 divisors, whose sum is 238118400
The reverse of 157419981 is 189914751
Previous prime number is 317
Is Prime? no Number parity odd Number length 9 Sum of Digits 45 Digital Root 9
Name
one hundred fifty-seven million four hundred nineteen thousand nine hundred eighty-one
Scientific notation
1.57419981 × 10^8
Engineering notation
1.57419981 × 10^6
Prime Factorization
3 × 3 × 23 × 317 × 2399
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
5 Total number of prime factors
rad Radical
52473327 Product of the distinct prime numbers
The prime factorization of 157419981 is 3 × 3 × 23 × 317 × 2399.
Since it has a total of 5 prime factors.
9 , 4 , 46 , 56 , 211 , 762 , 5539 , 8829 , 80718 , 8668 , 82233 , 82948 , 2719711 , 8948022 , 58036006 , 52755578 , 512826789 , 874719119 , 8637221271 , 9831290079
n×2
314839962
n×3
472259943
n×4
629679924
n×5
787099905
n÷2
78709990.5
n÷3
52473327
n÷3
39354995.25
n÷5
31483996.2
n2
24781050418040361
n3
3.901032485968E+24
n4
6.1410045982146E+32
n5
9.6671682717185E+40
2 √n12546.711959713
3 √n539.94967638035
4 √n112.01210630871
5 √n43.59251956375
1 , 3 , 9 , 23 , 69 , 207 , 317 , 951 , 2399 , 2853 , 7197 , 7291 , 21591 , 21873 , 55177 , 65619 , 165531 , 496593 , 760483 , 2281449 , 6844347 , 17491109 , 52473327 , 157419981
24 divisors
τ Total Divisors
24 Total number of the positive divisors of n
σ Sum of Divisors
1 Sum of all the positive divisors of n
s Aliquot Sum
-157419980 Sum of the proper positive divisors of n
A Arithmetic Mean
0.041666666666667 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
24 Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157419981 can be divided by 24 positive divisors.
The sum of these divisors (counting 157419981) is 1, the average is 0.041666666666667.
Base
System
Value
2
Binary
1001011000100000100111001101
3
Ternary
101222012202121200
4
Quaternary
21120200213031
5
Quinary
310244414411
6
Senary
23342020113
8
Octal
1130404715
10
Decimal
157419981
12
Duodecimal
44877639
16
Hexadecimal
96209cd
20
Vigesimal
293h9j1
36
Base36
2lq219
md5
5bd1f6814b4dae11d1f21332a381c344
sha1
83baf60129c4d23a32e6056eacef31d6d298395e
sha256
906ec0afba61aefd84daf0b2e406643ba724f2513e9cdd85bdd36ea06f84c27f
sha512
a59cf10a3b57bfa3de719f1676ec17272327366b1a5ff029d4eb5bbdc48eb6b1c77ae0b8697556496e3d0fb35dfef22ade7e95e57eeeaa30fef801a9f9b4c861
ripemd-160
858219f76b22b93db098757db5a3df0243b3517c
Diameter
314839962
Circumference
989098911.67569
Area
7.7851965941554E+16
Volume
1.6340606665776E+25
Surface area
3.1140786376622E+17
Circumference
989098911.67569
Perimeter
629679924
Area
24781050418040361
Diagonal
222625472.11871
Surface area
148686302508242166
Volume
3.901032485968E+24
Space diagonal
272659405.21853
Perimeter
472259943
Area
1.0730509597243E+16
Altitude
136329702.60926
Surface area
1.0730509597243E+16
Volume
4.5974108740949E+23
Height
74208490.706238