11887921 is an odd 8-digits prime number following 11887920
and preceding 11887922 . In scientific notation, it is written as 1.1887921 × 10^7.
The sum of its digits is 37. It has a total of 1 prime factors and 2 positive divisors.
There are 11887920 positive integers (up to 11887921) that are relatively prime to 11887921.
11887921 has 2 divisors, whose sum is 11887922
The reverse of 11887921 is 12978811
Previous prime number is 1
Is Prime? yes
Number parity odd
Number length 8
Sum of Digits 37
Digital Root 1
Name
eleven million eight hundred eighty-seven thousand nine hundred twenty-one
Scientific notation
1.1887921 × 10^7
Engineering notation
1.1887921 × 10^6
Prime Factorization
11887921
Composite number
ω
Distinct Factors
1
Total number of distinct prime factors
Ω
Total Factors
1
Total number of prime factors
rad
Radical
11887921
Product of the distinct prime numbers
The prime factorization of 11887921 is 11887921.
Since it has a total of 1 prime factors.
4 , 5 , 94 , 50 , 928 , 242 , 5080 , 3615 , 91998 , 46863 , 593116 , 208961 , 6344784 , 7776328 , 99710725 , 23026429 , 503738261 , 311311386 , 2930087701 , 6605926732
n×2
23775842
n×3
35663763
n×4
47551684
n×5
59439605
n÷2
5943960.5
n÷3
3962640.3333333
n÷3
2971980.25
n÷5
2377584.2
n2
141322665702241
n3
1.6800326853777E+21
n4
1.9972095841187E+28
n5
2.3742669756446E+35
2 √n
3447.8864540469
3 √n
228.22784881409
4 √n
58.718706168025
5 √n
26.002863852071
2 divisors
τ
Total Divisors
2
Total number of the positive divisors of n
σ
Sum of Divisors
11887922
Sum of all the positive divisors of n
s
Aliquot Sum
1
Sum of the proper positive divisors of n
A
Arithmetic Mean
5943961
Returns the sum of divisors (σ(n )) divided by the total number of divisors (τ(n ))
G
Geometric Mean
3447.8865990633
Returns the nth root of the product of n divisors
H
Harmonic Mean
1.999999831762
Returns the total number of divisors (τ(n )) divided by the sum of the reciprocal of each divisors
The number 11887921 can be divided by 2 positive divisors.
The sum of these divisors (counting 11887921) is 11887922, the average is 5943961.
Base
System
Value
2
Binary
101101010110010100110001
3
Ternary
211100222011101
4
Quaternary
231112110301
5
Quinary
11020403141
6
Senary
1102444401
8
Octal
55262461
10
Decimal
11887921
12
Duodecimal
3b93701
16
Hexadecimal
b56531
20
Vigesimal
3e5jg1
36
Base36
72ss1
md5
58e308e119ae9d4916c1e55474ac3498
sha1
db8f6f61f4b2669fe53707a49d3aa0f1047c647e
sha256
c245d619b7ccc32e94f4d07095e294815c23c6ea632f26a829bdf56420887ad8
sha512
8799496e0f16d0841a202885d5768be3a119c8a3d42670e60b64416a8c79f6e7262b875ed7cf64f96bab43047b01588ff0a8005ca69317bedf5a76dac6b055b1
ripemd-160
bd43443322ae25d1880e7acc7c16251cc781e719
Diameter
23775842
Circumference
74694010.560112
Area
4.4397824835589E+14
Volume
7.0373044562309E+21
Surface area
1.7759129934235E+15
Circumference
74694010.560112
Perimeter
47551684
Area
141322665702241
Diagonal
16812059.10662
Surface area
847935994213446
Volume
1.6800326853777E+21
Space diagonal
20590483.168365
Perimeter
35663763
Area
61194509314338
Altitude
10295241.584183
Surface area
61194509314338
Volume
1.9799375074093E+20
Height
5604019.7022066