161898402 is an even 9-digits composite number following 161898401
and preceding 161898403 . In scientific notation, it is written as 1.61898402 × 10^8.
The sum of its digits is 39. It has a total of 4 prime factors and 16 positive divisors.
There are 53809920 positive integers (up to 161898402) that are relatively prime to 161898402.
161898402 has 16 divisors, whose sum is 324734112
The reverse of 161898402 is 204898161
Previous prime number is 347
Is Prime? no
Number parity even
Number length 9
Sum of Digits 39
Digital Root 3
Name
one hundred sixty-one million eight hundred ninety-eight thousand four hundred two
Scientific notation
1.61898402 × 10^8
Engineering notation
1.61898402 × 10^6
Prime Factorization
2 × 3 × 347 × 77761
Composite number
ω
Distinct Factors
4
Total number of distinct prime factors
Ω
Total Factors
4
Total number of prime factors
rad
Radical
161898402
Product of the distinct prime numbers
The prime factorization of 161898402 is 2 × 3 × 347 × 77761.
Since it has a total of 4 prime factors.
9 , 4 , 99 , 50 , 716 , 554 , 5634 , 8591 , 34493 , 64711 , 533377 , 82648 , 5462570 , 4350715 , 32001589 , 54396652 , 58979232 , 776327372 , 76581444 , 6859740940
n×2
323796804
n×3
485695206
n×4
647593608
n×5
809492010
n÷2
80949201
n÷3
53966134
n÷3
40474600.5
n÷5
32379680.4
n2
26211092570153604
n3
4.2435340017819E+24
n4
6.8702137372116E+32
n5
1.112276625453E+41
2 √n
12723.930289026
3 √n
545.02219363651
4 √n
112.80040021661
5 √n
43.837775922662
1 , 2 , 3 , 6 , 347 , 694 , 1041 , 2082 , 77761 , 155522 , 233283 , 466566 , 26983067 , 53966134 , 80949201 , 161898402
16 divisors
τ
Total Divisors
16
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-161898401
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.0625
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
16
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 161898402 can be divided by 16 positive divisors.
The sum of these divisors (counting 161898402) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001100101111110100010
3
Ternary
102021122021212010
4
Quaternary
21221211332202
5
Quinary
312421222102
6
Senary
24022013350
8
Octal
1151457642
10
Decimal
161898402
12
Duodecimal
46277256
16
Hexadecimal
9a65fa2
20
Vigesimal
2abh602
36
Base36
2oe1lu
md5
f5dc51e0dbb6ac931737afd1af3a98b0
sha1
d9d5c75b0790e6e8d4e8f7649f92e35c32b119a6
sha256
682a89c1453ead8cab33a2b48eda805131324202dd80aa6e2af3fc339ec588b6
sha512
586061b0df740ea4c8aea512aa45ce197f0ada3b3c01a0e0276093eae09b46eb756c7bb5123744a9be3ad11ddf00ee87e4c98fab76bcf8c0c4e65f013d8e6b13
ripemd-160
50fde4719c4461db96393eb6227b29b96c835be9
Diameter
323796804
Circumference
1017237660.7023
Area
8.2344575860957E+16
Volume
1.7775273660342E+25
Surface area
3.2937830344383E+17
Circumference
1017237660.7023
Perimeter
647593608
Area
26211092570153604
Diagonal
228958915.83493
Surface area
157266555420921624
Volume
4.2435340017819E+24
Space diagonal
280416257.92821
Perimeter
485695206
Area
1.1349736013349E+16
Altitude
140208128.96411
Surface area
1.1349736013349E+16
Volume
5.0010527814262E+23
Height
76319638.611644