161844997 is an odd 9-digits composite number following 161844996
and preceding 161844998 . In scientific notation, it is written as 1.61844997 × 10^8.
The sum of its digits is 49. It has a total of 3 prime factors and 8 positive divisors.
There are 152626320 positive integers (up to 161844997) that are relatively prime to 161844997.
161844997 has 8 divisors, whose sum is 171262080
The reverse of 161844997 is 799448161
Previous prime number is 71
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 49
Digital Root 4
Name
one hundred sixty-one million eight hundred forty-four thousand nine hundred ninety-seven
Scientific notation
1.61844997 × 10^8
Engineering notation
1.61844997 × 10^6
Prime Factorization
23 × 71 × 99109
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161844997
Product of the distinct prime numbers
The prime factorization of 161844997 is 23 × 71 × 99109.
Since it has a total of 3 prime factors.
9 , 10 , 1 , 68 , 210 , 573 , 2927 , 2913 , 20641 , 3592 , 493874 , 962135 , 516119 , 2569473 , 61143843 , 63174786 , 848672708 , 327587993 , 6640645852 , 6343828162
n×2
323689994
n×3
485534991
n×4
647379988
n×5
809224985
n÷2
80922498.5
n÷3
53948332.333333
n÷3
40461249.25
n÷5
32368999.4
n2
26193803053930009
n3
4.2393359766819E+24
n4
6.8611531842807E+32
n5
1.1104433165265E+41
2 √n
12721.831511225
3 √n
544.96225870005
4 √n
112.79109677286
5 √n
43.834883410613
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
-161844996
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 161844997 can be divided by 8 positive divisors.
The sum of these divisors (counting 161844997) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001011000111100000101
3
Ternary
102021112120121011
4
Quaternary
21221120330011
5
Quinary
312413014442
6
Senary
24020522221
8
Octal
1151307405
10
Decimal
161844997
12
Duodecimal
46250371
16
Hexadecimal
9a58f05
20
Vigesimal
2abac9h
36
Base36
2ocwed
md5
f10cde7b2d1a96a4ae0aaaf5a0a1b82c
sha1
95f47cf7404fbcb782afd7047bd7f22724b49b89
sha256
377cb5436d83c8388f6c42b353ffc6079bed0a1a002d40146a03b9f31b0331ad
sha512
9080ff1bf42f08a455ad9692b47c567fadd79be78ebbfbf9b115c2d6f2c16535f107fbcdcf0c6dd94984d74f45bce0edaa6c15a07a29cb3df91bd65d7f1b1a17
ripemd-160
d1ead46c8e390007db3457c8f639e1fa147cfa36
Diameter
323689994
Circumference
1016902107.1909
Area
8.2290259243804E+16
Volume
1.7757689013924E+25
Surface area
3.2916103697522E+17
Circumference
1016902107.1909
Perimeter
647379988
Area
26193803053930009
Diagonal
228883389.75963
Surface area
157162818323580054
Volume
4.2393359766819E+24
Space diagonal
280323757.75483
Perimeter
485534991
Area
1.1342249433215E+16
Altitude
140161878.87742
Surface area
1.1342249433215E+16
Volume
4.9961053613998E+23
Height
76294463.253211