157439817 is an odd 9-digits composite number following 157439816
and preceding 157439818 . In scientific notation, it is written as 1.57439817 × 10^8.
The sum of its digits is 45. It has a total of 2 prime factors and 4 positive divisors.
There are 104959872 positive integers (up to 157439817) that are relatively prime to 157439817.
157439817 has 4 divisors, whose sum is 174933140
The reverse of 157439817 is 718934751
Previous prime number is 9
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 45
Digital Root 9
Name
one hundred fifty-seven million four hundred thirty-nine thousand eight hundred seventeen
Scientific notation
1.57439817 × 10^8
Engineering notation
1.57439817 × 10^6
Prime Factorization
9 × 17493313
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
157439817
Product of the distinct prime numbers
The prime factorization of 157439817 is 9 × 17493313.
Since it has a total of 2 prime factors.
10 , 2 , 36 , 40 , 187 , 658 , 6168 , 4061 , 42822 , 26366 , 743341 , 369402 , 3055382 , 392464 , 38917506 , 72139545 , 821154736 , 791615405 , 8363885957 , 7889835001
n×2
314879634
n×3
472319451
n×4
629759268
n×5
787199085
n÷2
78719908.5
n÷3
52479939
n÷3
39359954.25
n÷5
31487963.4
n2
24787295976993489
n3
3.9025073425427E+24
n4
6.1441004185108E+32
n5
9.6732604551996E+40
2 √n
12547.502420801
3 √n
539.97235455179
4 √n
112.01563471588
5 √n
43.593618099822
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
-157439816
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 157439817 can be divided by 4 positive divisors.
The sum of these divisors (counting 157439817) is 1, the average is 0.25.
Base
System
Value
2
Binary
1001011000100101011101001001
3
Ternary
101222020202211100
4
Quaternary
21120211131021
5
Quinary
310301033232
6
Senary
23342252013
8
Octal
1130453511
10
Decimal
157439817
12
Duodecimal
44887009
16
Hexadecimal
9625749
20
Vigesimal
293jjah
36
Base36
2lqhc9
md5
a47f132759f4cdcf39de4737d674384c
sha1
8870e11949c991c063fe5bcfdf0520bb2ab3e0d9
sha256
a0d01665c47e31885fa67a0f9276c4ae3e0851d091ce010083b55590f4f67e5b
sha512
c3dc2c3455e9c2415897138034a6760029e95370ada783d7034a8447f6d1b91cef068f281736a562cfa5d139fdea9c8bceb6b23c5c0543b216e7e0701805537b
ripemd-160
0c8e933679e5a10968d1d27f7d20303a4e7dbe7c
Diameter
314879634
Circumference
989223544.93944
Area
7.7871586943679E+16
Volume
1.634678453055E+25
Surface area
3.1148634777471E+17
Circumference
989223544.93944
Perimeter
629759268
Area
24787295976993489
Diagonal
222653524.45894
Surface area
148723775861960934
Volume
3.9025073425427E+24
Space diagonal
272693762.17835
Perimeter
472319451
Area
1.07332140036E+16
Altitude
136346881.08917
Surface area
1.07332140036E+16
Volume
4.599149009237E+23
Height
74217841.486313