156738421 is an odd 9-digits composite number following 156738420
and preceding 156738422 . In scientific notation, it is written as 1.56738421 × 10^8.
The sum of its digits is 37. It has a total of 3 prime factors and 8 positive divisors.
There are 134280240 positive integers (up to 156738421) that are relatively prime to 156738421.
156738421 has 8 divisors, whose sum is 179218944
The reverse of 156738421 is 124837651
Previous prime number is 8543
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 37
Digital Root 1
Name
one hundred fifty-six million seven hundred thirty-eight thousand four hundred twenty-one
Scientific notation
1.56738421 × 10^8
Engineering notation
1.56738421 × 10^6
Prime Factorization
7 × 8543 × 2621
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
156738421
Product of the distinct prime numbers
The prime factorization of 156738421 is 7 × 8543 × 2621.
Since it has a total of 3 prime factors.
3 , 2 , 70 , 39 , 871 , 972 , 5194 , 6758 , 3027 , 42130 , 115311 , 701888 , 9546891 , 1497789 , 93228927 , 22085793 , 971165624 , 452963476 , 6884746772 , 7758130053
n×2
313476842
n×3
470215263
n×4
626953684
n×5
783692105
n÷2
78369210.5
n÷3
52246140.333333
n÷3
39184605.25
n÷5
31347684.2
n2
24566932617573241
n3
3.8505822272918E+24
n4
6.0353417823638E+32
n5
9.4596994116303E+40
2 √n
12519.521596291
3 √n
539.16930003669
4 √n
111.89066804828
5 √n
43.55470669444
8 divisors
τ
Total Divisors
8
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-156738420
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.125
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
8
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 156738421 can be divided by 8 positive divisors.
The sum of these divisors (counting 156738421) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001010101111010001101110101
3
Ternary
101220221010200201
4
Quaternary
21111322031311
5
Quinary
310111112141
6
Senary
23315240501
8
Octal
1125721565
10
Decimal
156738421
12
Duodecimal
445a9131
16
Hexadecimal
957a375
20
Vigesimal
28jc611
36
Base36
2lbg51
md5
0da5acfcaa1dc60f6abe76e4e6cca0a5
sha1
257db4d1ff4e31e36508c39efccd81b3f2519b69
sha256
4d9f7063277300b5c6b86b19c5bac8292a416ad51891c61e20fd6ad0e82cb961
sha512
aaf14f2d1a4dc525527bc82993e852bae53bcda7ed3f4e8a70cb2bbb35c6b99b697d2254f14bc4e252d6221c5891b95d2f0391e7cbebc57af0af2768f5a113e2
ripemd-160
2d076597453da398137679d201d543ae6300b0aa
Diameter
313476842
Circumference
984816543.89773
Area
7.7179295032604E+16
Volume
1.6129281116405E+25
Surface area
3.0871718013041E+17
Circumference
984816543.89773
Perimeter
626953684
Area
24566932617573241
Diagonal
221661600.72314
Surface area
147401595705439446
Volume
3.8505822272918E+24
Space diagonal
271478908.67012
Perimeter
470215263
Area
1.0637793869939E+16
Altitude
135739454.33506
Surface area
1.0637793869939E+16
Volume
4.5379546740574E+23
Height
73887200.241048