16961981 is an odd 8-digits composite number following 16961980
and preceding 16961982 . In scientific notation, it is written as 1.6961981 × 10^7.
The sum of its digits is 41. It has a total of 2 prime factors and 4 positive divisors.
There are 16849500 positive integers (up to 16961981) that are relatively prime to 16961981.
16961981 has 4 divisors, whose sum is 17074464
The reverse of 16961981 is 18916961
Previous prime number is 151
Is Prime? no
Number parity odd
Number length 8
Sum of Digits 41
Digital Root 5
Name
sixteen million nine hundred sixty-one thousand nine hundred eighty-one
Scientific notation
1.6961981 × 10^7
Engineering notation
1.6961981 × 10^6
Prime Factorization
151 × 112331
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
16961981
Product of the distinct prime numbers
The prime factorization of 16961981 is 151 × 112331.
Since it has a total of 2 prime factors.
6 , 10 , 20 , 54 , 137 , 135 , 9884 , 6843 , 95242 , 65871 , 369643 , 767831 , 1438582 , 6379352 , 90538238 , 88076690 , 115734897 , 626240512 , 8283178702 , 8069914438
n×2
33923962
n×3
50885943
n×4
67847924
n×5
84809905
n÷2
8480990.5
n÷3
5653993.6666667
n÷3
4240495.25
n÷5
3392396.2
n2
287708799444361
n3
4.8801111897081E+21
n4
8.2776353277716E+28
n5
1.4040509315459E+36
2 √n
4118.4925640336
3 √n
256.93633451512
4 √n
64.175482577333
5 √n
27.918707871536
4 divisors
τ
Total Divisors
4
Total number of the positive divisors of n
σ
Sum of Divisors
1
Sum of all the positive divisors of n
s
Aliquot Sum
-16961980
Sum of the proper positive divisors of n
A
Arithmetic Mean
0.25
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
4
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 16961981 can be divided by 4 positive divisors.
The sum of these divisors (counting 16961981) is 1, the average is 0.25.
Base
System
Value
2
Binary
1000000101101000110111101
3
Ternary
1011220202110112
4
Quaternary
1000231012331
5
Quinary
13320240411
6
Senary
1403315405
8
Octal
100550675
10
Decimal
16961981
12
Duodecimal
581bb65
16
Hexadecimal
102d1bd
20
Vigesimal
5604j1
36
Base36
a3jy5
md5
22bf386dc1063b12db14c7703c46736d
sha1
001ce5a7e641861bc4476fa0356411ae38dd3e0c
sha256
13a3c7381d2738f6e3ee5d54d01d6816da743bdbee8e4852ea885c433ecc56fe
sha512
a18b14489bb9c1a7d2761341304e945fb05253ecb8649c8ec67f15626f2278f5d273a31e28d3f34543148dae5d53e21614c63ef6f8e4939d22764ca53757a80a
ripemd-160
81dd7565f14d86b97120a87ed62cbec2cfd2e7a8
Diameter
33923962
Circumference
106575269.79986
Area
9.0386385070754E+14
Volume
2.0441761949718E+22
Surface area
3.6154554028302E+15
Circumference
106575269.79986
Perimeter
67847924
Area
287708799444361
Diagonal
23987863.574915
Surface area
1726252796666166
Volume
4.8801111897081E+21
Space diagonal
29379012.889018
Perimeter
50885943
Area
1.2458156460557E+14
Altitude
14689506.444509
Surface area
1.2458156460557E+14
Volume
5.7512661919782E+20
Height
7995954.5249716