161831104 is an even 9-digits composite number following 161831103
and preceding 161831105 . In scientific notation, it is written as 1.61831104 × 10^8.
The sum of its digits is 25. It has a total of 8 prime factors and 28 positive divisors.
There are 80812800 positive integers (up to 161831104) that are relatively prime to 161831104.
161831104 has 28 divisors, whose sum is 321541648
The reverse of 161831104 is 401138161
Previous prime number is 1381
Is Prime? no
Number parity even
Number length 9
Sum of Digits 25
Digital Root 7
Name
one hundred sixty-one million eight hundred thirty-one thousand one hundred four
Scientific notation
1.61831104 × 10^8
Engineering notation
1.61831104 × 10^6
Prime Factorization
2 × 2 × 2 × 2 × 2 × 2 × 1381 × 1831
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
8
Total number of prime factors
rad
Radical
5057222
Product of the distinct prime numbers
The prime factorization of 161831104 is 2 × 2 × 2 × 2 × 2 × 2 × 1381 × 1831.
Since it has a total of 8 prime factors.
3 , 1 , 67 , 81 , 779 , 711 , 1691 , 4515 , 66464 , 57348 , 251704 , 462630 , 8060146 , 9906524 , 84062949 , 59640341 , 539790559 , 479134029 , 2991284188 , 7601699887
n×2
323662208
n×3
485493312
n×4
647324416
n×5
809155520
n÷2
80915552
n÷3
53943701.333333
n÷3
40457776
n÷5
32366220.8
n2
26189306221858816
n3
4.2382443388775E+24
n4
6.8587976038229E+32
n5
1.1099667883392E+41
2 √n
12721.285469637
3 √n
544.94666481403
4 √n
112.78867615872
5 √n
43.83413081528
1 , 2 , 4 , 8 , 16 , 32 , 64 , 1381 , 1831 , 2762 , 3662 , 5524 , 7324 , 11048 , 14648 , 22096 , 29296 , 44192 , 58592 , 88384 , 117184 , 2528611 , 5057222 , 10114444 , 20228888 , 40457776 , 80915552 , 161831104
28 divisors
τ
Total Divisors
28
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161831103
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.035714285714286
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
28
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161831104 can be divided by 28 positive divisors.
The sum of these divisors (counting 161831104) is 1, the average is 0.035714285714286.
Base
System
Value
2
Binary
1001101001010101100011000000
3
Ternary
102021111212112121
4
Quaternary
21221111203000
5
Quinary
312412043404
6
Senary
24020334024
8
Octal
1151254300
10
Decimal
161831104
12
Duodecimal
46244314
16
Hexadecimal
9a558c0
20
Vigesimal
2ab8hf4
36
Base36
2oclog
md5
dbce389690b1992039108f71ea1244f6
sha1
295eb5f8394c210703e0882263f69db44482fd3c
sha256
c3013c8de6c400bbafdc0c126f52d6fa33c3b52877aa38889e396b55a0419af5
sha512
843781653151f0391befd060b165dea8a78c3f44071c55f0ef531b5619a2f4cf501cb1b527b3ee423255f7ffb455a3d05a353f92078f3ead0045fa9cc275d246
ripemd-160
cf488e35ee55bd0b75948ddc4eaab9fb679a3bb4
Diameter
323662208
Circumference
1016814814.8975
Area
8.2276132029205E+16
Volume
1.7753116372181E+25
Surface area
3.2910452811682E+17
Circumference
1016814814.8975
Perimeter
647324416
Area
26189306221858816
Diagonal
228863742.09061
Surface area
157135837331152896
Volume
4.2382443388775E+24
Space diagonal
280299694.37296
Perimeter
485493312
Area
1.134030224781E+16
Altitude
140149847.18648
Surface area
1.134030224781E+16
Volume
4.9948188539096E+23
Height
76287914.030204