667996921 is an odd 9-digits composite number following 667996920
and preceding 667996922 . In scientific notation, it is written as 6.67996921 × 10^8.
The sum of its digits is 55. It has a total of 2 prime factors and 4 positive divisors.
There are 661511412 positive integers (up to 667996921) that are relatively prime to 667996921.
667996921 has 4 divisors, whose sum is 674482432
The reverse of 667996921 is 129699766
Previous prime number is 103
Is Prime? no
Number parity odd
Number length 9
Sum of Digits 55
Digital Root 1
Name
six hundred sixty-seven million nine hundred ninety-six thousand nine hundred twenty-one
Scientific notation
6.67996921 × 10^8
Engineering notation
6.67996921 × 10^6
Prime Factorization
103 × 6485407
Composite number
ω
Distinct Factors
2
Total number of distinct prime factors
Ω
Total Factors
2
Total number of prime factors
rad
Radical
667996921
Product of the distinct prime numbers
The prime factorization of 667996921 is 103 × 6485407.
Since it has a total of 2 prime factors.
8 , 1 , 22 , 15 , 429 , 72 , 3096 , 7421 , 86243 , 84005 , 754216 , 897488 , 4388480 , 3933264 , 13547534 , 88259715 , 554523553 , 901038352 , 3910782418 , 220165255
n×2
1335993842
n×3
2003990763
n×4
2671987684
n×5
3339984605
n÷2
333998460.5
n÷3
222665640.33333
n÷3
166999230.25
n÷5
133599384.2
n2
446219886465480241
n3
2.9807351024791E+26
n4
1.9911218707727E+35
n5
1.3300632790119E+44
2 √n
25845.636401528
3 √n
874.16112079663
4 √n
160.76578118968
5 √n
58.204276093875
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
-667996920
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 667996921 can be divided by 4 positive divisors.
The sum of these divisors (counting 667996921) is 1, the average is 0.25.
Base
System
Value
2
Binary
100111110100001101001011111001
3
Ternary
1201112221202111201
4
Quaternary
213310031023321
5
Quinary
2332001400141
6
Senary
150141254201
8
Octal
4764151371
10
Decimal
667996921
12
Duodecimal
167864361
16
Hexadecimal
27d0d2f9
20
Vigesimal
a8ejc61
36
Base36
b1phq1
md5
4b5fb0361e4ebc1abf9a66e044d682e4
sha1
647aa391132f4e1cd22886fa3f421c1f5de18c9d
sha256
c60ccd3944d427b6fa4ba6d89f85f9af6c4ef408847f9fc51a0d76e1ba49eb30
sha512
a54a273c6bbfecc9889f62966209b75e4dc53af8c9cf649015c7931a8398869e87aa87d84cabb529d68f765d7ef3d6a9cf8479c5ba543ce1b108c039bead5d9d
ripemd-160
72fa6ec0d14b1f75819a7687bd61264233be9137
Diameter
1335993842
Circumference
4197148439.2684
Area
1.4018411172056E+18
Volume
1.2485674000327E+27
Surface area
5.6073644688225E+18
Circumference
4197148439.2684
Perimeter
2671987684
Area
446219886465480241
Diagonal
944690305.30167
Surface area
2677319318792881446
Volume
2.9807351024791E+26
Space diagonal
1157004606.4716
Perimeter
2003990763
Area
1.9321887867646E+17
Altitude
578502303.23579
Surface area
1.9321887867646E+17
Volume
3.5128300064729E+25
Height
314896768.43389