161888402 is an even 9-digits composite number following 161888401
and preceding 161888403 . In scientific notation, it is written as 1.61888402 × 10^8.
The sum of its digits is 38. It has a total of 3 prime factors and 8 positive divisors.
There are 74717712 positive integers (up to 161888402) that are relatively prime to 161888402.
161888402 has 8 divisors, whose sum is 261512076
The reverse of 161888402 is 204888161
Previous prime number is 13
Is Prime? no
Number parity even
Number length 9
Sum of Digits 38
Digital Root 2
Name
one hundred sixty-one million eight hundred eighty-eight thousand four hundred two
Scientific notation
1.61888402 × 10^8
Engineering notation
1.61888402 × 10^6
Prime Factorization
2 × 13 × 6226477
Composite number
ω
Distinct Factors
3
Total number of distinct prime factors
Ω
Total Factors
3
Total number of prime factors
rad
Radical
161888402
Product of the distinct prime numbers
The prime factorization of 161888402 is 2 × 13 × 6226477.
Since it has a total of 3 prime factors.
1 , 1 , 3 , 86 , 440 , 560 , 6535 , 7158 , 39209 , 46635 , 768141 , 939780 , 1031359 , 645869 , 76060330 , 69757170 , 845601172 , 653268080 , 243786798 , 364703065
n×2
323776804
n×3
485665206
n×4
647553608
n×5
809442010
n÷2
80944201
n÷3
53962800.666667
n÷3
40472100.5
n÷5
32377680.4
n2
26207854702113604
n3
4.2427477175734E+24
n4
6.868516480871E+32
n5
1.1119331571989E+41
2 √n
12723.537322616
3 √n
545.0109719195
4 √n
112.79865833695
5 √n
43.837234362542
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
-161888401
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 161888402 can be divided by 8 positive divisors.
The sum of these divisors (counting 161888402) is 1, the average is 0.125.
Base
System
Value
2
Binary
1001101001100011100010010010
3
Ternary
102021121210010202
4
Quaternary
21221203202102
5
Quinary
312420412102
6
Senary
24021455202
8
Octal
1151434222
10
Decimal
161888402
12
Duodecimal
46271502
16
Hexadecimal
9a63892
20
Vigesimal
2abg102
36
Base36
2odtw2
md5
392f8b9056d5f3980c1e1d36c7f02863
sha1
aa581d6fa4ce4f6d355e2c610a23556c89178d6f
sha256
3cc1c5bbede47767408f68d71efbc99e7975e04c0685bceb76d9e75594dc8db7
sha512
ab18499470136798c2f0754d5e9b86e885de1c263ddab13a91831cff5373788a488a75006ab41c60b58cc00ba3f1f7a43f2463766988921326546c5f464e3891
ripemd-160
8924ffe4a188046d7d68e6b9cd67a822f15b3122
Diameter
323776804
Circumference
1017174828.8492
Area
8.2334403798509E+16
Volume
1.7771980080751E+25
Surface area
3.2933761519404E+17
Circumference
1017174828.8492
Perimeter
647553608
Area
26207854702113604
Diagonal
228944773.69931
Surface area
157247128212681624
Volume
4.2427477175734E+24
Space diagonal
280398937.42014
Perimeter
485665206
Area
1.1348333975361E+16
Altitude
140199468.71007
Surface area
1.1348333975361E+16
Volume
5.0001261365998E+23
Height
76314924.566436