157419987 is an odd 9-digits composite number following 157419986
and preceding 157419988 . In scientific notation, it is written as 1.57419987 × 10^8.
The sum of its digits is 51. It has a total of 4 prime factors and 16 positive divisors.
There are 103844160 positive integers (up to 157419987) that are relatively prime to 157419987.
157419987 has 16 divisors, whose sum is 212109312
The reverse of 157419987 is 789914751
Previous prime number is 137
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 51
Digital Root 6
Name
one hundred fifty-seven million four hundred nineteen thousand nine hundred eighty-seven
Scientific notation
1.57419987 × 10^8
Engineering notation
1.57419987 × 10^6
Prime Factorization
3 × 631 × 137 × 607
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
157419987
Product of the distinct prime numbers
The prime factorization of 157419987 is 3 × 631 × 137 × 607.
Since it has a total of 4 prime factors.
7 , 9 , 56 , 82 , 313 , 451 , 4036 , 3738 , 93109 , 34916 , 190589 , 242710 , 7848594 , 7736567 , 78107942 , 40032421 , 650439864 , 267044003 , 7206967591 , 3888990368
n×2
314839974
n×3
472259961
n×4
629679948
n×5
787099935
n÷2
78709993.5
n÷3
52473329
n÷3
39354996.75
n÷5
31483997.4
n2
24781052307080169
n3
3.9010329320269E+24
n4
6.1410055344624E+32
n5
9.66717011402E+40
2 √n
12546.712198819
3 √n
539.94968324034
4 √n
112.01210737603
5 √n
43.592519896052
1 , 3 , 137 , 411 , 607 , 631 , 1821 , 1893 , 83159 , 86447 , 249477 , 259341 , 383017 , 1149051 , 52473329 , 157419987
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-157419986
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 157419987 can be divided by 16 positive divisors.
The sum of these divisors (counting 157419987) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001011000100000100111010011
3
Ternary
101222012202121220
4
Quaternary
21120200213103
5
Quinary
310244414422
6
Senary
23342020123
8
Octal
1130404723
10
Decimal
157419987
12
Duodecimal
44877643
16
Hexadecimal
96209d3
20
Vigesimal
293h9j7
36
Base36
2lq21f
md5
b1ae3c1c06985325e1c67a672cd7ad28
sha1
f1dea60259ec2937477fde48e2531700520c05e2
sha256
32fd339d1170839fe1aeb5af2cf41345d71551c95c7a2bd9d3b455bbd4b1c0cc
sha512
e1c43652db4880a6b501806c54d58f9e4b67edc84d12d40d808bbaf351cd9fd4108a050a7ac927e5c669ac7075b04e8e20928bb75e8d6279dee971e7c96e0353
ripemd-160
27dd02c3237444826a6d83f0b0241c92a802f759
Diameter
314839974
Circumference
989098949.3748
Area
7.7851971876147E+16
Volume
1.6340608534223E+25
Surface area
3.1140788750459E+17
Circumference
989098949.3748
Perimeter
629679948
Area
24781052307080169
Diagonal
222625480.604
Surface area
148686313842481014
Volume
3.9010329320269E+24
Space diagonal
272659415.61083
Perimeter
472259961
Area
1.0730510415221E+16
Altitude
136329707.80542
Surface area
1.0730510415221E+16
Volume
4.5974113997804E+23
Height
74208493.534665