161769729 is an odd 9-digits composite number following 161769728
and preceding 161769730 . In scientific notation, it is written as 1.61769729 × 10^8.
The sum of its digits is 48. It has a total of 4 prime factors and 16 positive divisors.
There are 97334160 positive integers (up to 161769729) that are relatively prime to 161769729.
161769729 has 16 divisors, whose sum is 237000960
The reverse of 161769729 is 927967161
Previous prime number is 139
Is Prime? no Number parity odd Number length 9 Sum of Digits 48 Digital Root 3
Name
one hundred sixty-one million seven hundred sixty-nine thousand seven hundred twenty-nine
Scientific notation
1.61769729 × 10^8
Engineering notation
1.61769729 × 10^6
Prime Factorization
3 × 11 × 139 × 35267
Composite number
ω Distinct Factors
4 Total number of distinct prime factors
Ω Total Factors
4 Total number of prime factors
rad Radical
161769729 Product of the distinct prime numbers
The prime factorization of 161769729 is 3 × 11 × 139 × 35267.
Since it has a total of 4 prime factors.
5 , 6 , 20 , 16 , 395 , 942 , 7378 , 4623 , 78083 , 1445 , 899647 , 972527 , 8912512 , 6051172 , 61285989 , 4335074 , 363431937 , 50201135 , 1541481724 , 2411364312
n×2
323539458
n×3
485309187
n×4
647078916
n×5
808848645
n÷2
80884864.5
n÷3
53923243
n÷3
40442432.25
n÷5
32353945.8
n2
26169445220733441
n3
4.2334240614384E+24
n4
6.8483986316097E+32
n5
1.1078635907195E+41
2 √n12718.872945352
3 √n544.87776514065
4 √n112.77798076465
5 √n43.830805461957
1 , 3 , 11 , 33 , 139 , 417 , 1529 , 4587 , 35267 , 105801 , 387937 , 1163811 , 4902113 , 14706339 , 53923243 , 161769729
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
-161769728 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 161769729 can be divided by 16 positive divisors.
The sum of these divisors (counting 161769729) is 1, the average is 0.0625.
Base
System
Value
2
Binary
1001101001000110100100000001
3
Ternary
102021101202100110
4
Quaternary
21221012210001
5
Quinary
312403112404
6
Senary
24015141533
8
Octal
1151064401
10
Decimal
161769729
12
Duodecimal
462148a9
16
Hexadecimal
9a46901
20
Vigesimal
2ab1469
36
Base36
2obabl
md5
fe10cabffdd9295beafd2388c5409ca1
sha1
e54a7a5f53c33976aa061230b5c77b929b2e0e70
sha256
5651e492d2e7aad3919badbad3ec6b072e72db4fb9017e36f4b578975588a2cc
sha512
5cdb7fac0128425b8eb57c8beb1bef718584c05bf607cb01ad3d369a02f014339196d729a04ef8f223ad3d117512eb58e96c2640b3f5a09800309fec304f8f07
ripemd-160
7ac1f9fc02264852abdab13baceae37675665d4a
Diameter
323539458
Circumference
1016429184.3992
Area
8.2213736853977E+16
Volume
1.773292524126E+25
Surface area
3.2885494741591E+17
Circumference
1016429184.3992
Perimeter
647078916
Area
26169445220733441
Diagonal
228776944.73322
Surface area
157016671324400646
Volume
4.2334240614384E+24
Space diagonal
280193389.75465
Perimeter
485309187
Area
1.133170218205E+16
Altitude
140096694.87732
Surface area
1.133170218205E+16
Volume
4.989138102469E+23
Height
76258981.57774