169431387 is an odd 9-digits composite number following 169431386
and preceding 169431388 . In scientific notation, it is written as 1.69431387 × 10^8.
The sum of its digits is 42. It has a total of 2 prime factors and 4 positive divisors.
There are 112954256 positive integers (up to 169431387) that are relatively prime to 169431387.
169431387 has 4 divisors, whose sum is 225908520
The reverse of 169431387 is 783134961
Previous prime number is 3
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 42
Digital Root 6
Name
one hundred sixty-nine million four hundred thirty-one thousand three hundred eighty-seven
Scientific notation
1.69431387 × 10^8
Engineering notation
1.69431387 × 10^6
Prime Factorization
3 × 56477129
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
169431387
Product of the distinct prime numbers
The prime factorization of 169431387 is 3 × 56477129.
Since it has a total of 2 prime factors.
7 , 9 , 26 , 27 , 206 , 794 , 1024 , 2408 , 70393 , 24735 , 380870 , 732554 , 9042608 , 7408849 , 75065323 , 43638559 , 562610118 , 855663234 , 637322788 , 545266374
n×2
338862774
n×3
508294161
n×4
677725548
n×5
847156935
n÷2
84715693.5
n÷3
56477129
n÷3
42357846.75
n÷5
33886277.4
n2
28706994900743769
n3
4.8638659626349E+24
n4
8.2409155623133E+32
n5
1.3962697538726E+41
2 √n
13016.581233181
3 √n
553.3475040725
4 √n
114.0902328562
5 √n
44.238335017364
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
-169431386
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 169431387 can be divided by 4 positive divisors.
The sum of these divisors (counting 169431387) is 1, the average is 0.25.
Base
System
Value
2
Binary
1010000110010101000101011011
3
Ternary
102210211000011120
4
Quaternary
22012111011123
5
Quinary
321333301022
6
Senary
24451300323
8
Octal
1206250533
10
Decimal
169431387
12
Duodecimal
488aa6a3
16
Hexadecimal
a19515b
20
Vigesimal
2ciii97
36
Base36
2svi3f
md5
cec3f6a425911c1711836ad82bf2dcd4
sha1
d12c239061b5b38a4e414743298efc05d1a65648
sha256
3da09ff1ab23913f554e30c79fd9a2aa08caa4ec9ebcd2cc73bf6b2ed62c5cc9
sha512
b67f9c05f09ebb0f851e009347c8c0f68def0e756150b42025bb6ad3679e0211452b4260f944c92245b036f8774d327c98ed8eff67e2cc9925217194c87edd4c
ripemd-160
9ab9e99f16b922405c6dd6bbb941fc4956eff112
Diameter
338862774
Circumference
1064568801.3735
Area
9.0185684286816E+16
Volume
2.0373714101679E+25
Surface area
3.6074273714727E+17
Circumference
1064568801.3735
Perimeter
677725548
Area
28706994900743769
Diagonal
239612165.38708
Surface area
172241969404462614
Volume
4.8638659626349E+24
Space diagonal
293463770.68086
Perimeter
508294161
Area
1.2430493425177E+16
Altitude
146731885.34043
Surface area
1.2430493425177E+16
Volume
5.7321210082693E+23
Height
79870721.795695