1221333828
1,221,333,828 is an even composite number composed of six prime numbers multiplied together.
1221333828 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 1221333828:
22 × 3 × 112 × 13 × 89 × 727
(2 × 2 × 3 × 11 × 11 × 13 × 89 × 727)See below for interesting mathematical facts about the number 1221333828 from the Numbermatics database.
Names of 1221333828
- Cardinal: 1221333828 can be written as One billion, two hundred twenty-one million, three hundred thirty-three thousand, eight hundred twenty-eight.
Scientific notation
- Scientific notation: 1.221333828 × 109
Factors of 1221333828
Divisors of 1221333828
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 11 12 13 22 26 33 39 44 52 66 78 89 121 132 143 156 178 242 267 286 356 363 429 484 534 572 726 727 858 979 1068 1157 1452 1454 1573 1716 1958 2181 2314 2908 2937 3146 3471 3916 4362 4628 4719 5874 6292 6942 7997 8724 9438 9451 10769 11748 12727 13884 15994 18876 18902 21538 23991 25454 28353 31988 32307 37804 38181 43076 47982 50908 56706 64614 64703 76362 87967 95964 103961 113412 129228 129406 139997 152724 175934 194109 207922 258812 263901 279994 311883 351868 388218 415844 419991 527802 559988 623766 711733 776436 839982 841139 1055604 1143571 1247532 1423466 1679964 1682278 2135199 2287142 2523417 2846932 3364556 3430713 4270398 4574284 5046834 6861426 7829063 8540796 9252529 10093668 13722852 15658126 18505058 23487189 27757587 31316252 37010116 46974378 55515174 93948756 101777819 111030348 203555638 305333457 407111276 610666914 1221333828
- Sum of all divisors σ(n): 3415950720
- Sum of proper divisors (its aliquot sum) s(n): 2194616892
- 1221333828 is an abundant number, because the sum of its proper divisors (2194616892) is greater than itself. Its abundance is 973283064
Bases of 1221333828
- Binary: 10010001100110000010011010001002
- Hexadecimal: 0x48CC1344
- Base-36: K75F7O
Squares and roots of 1221333828
- 1221333828 squared (12213338282) is 1491656319417133584
- 1221333828 cubed (12213338283) is 1821810322654118488934079552
-
The
square root of 1221333828 is 34947.5868694823 -
The
cube root of 1221333828 is 1068.9189967567
Scales and comparisons
How big is 1221333828?- 1,221,333,828 seconds is equal to 38 years, 43 weeks, 2 days, 19 hours, 23 minutes, 48 seconds.
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To count from 1 to 1,221,333,828 would take you about seventy-seven years!
This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
- A cube with a volume of 1221333828 cubic inches would be around 89.1 feet tall.
Recreational maths with 1221333828
- 1221333828 backwards is 8283331221
- 1221333828 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1221333828's digits is 33
- More coming soon!
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The information we have on file for 1221333828 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!
Keywords: Divisors of 1221333828, math, Factors of 1221333828, curriculum, school, college, exams, university, Prime factorization of 1221333828, STEM, science, technology, engineering, physics, economics, calculator, one billion, two hundred twenty-one million, three hundred thirty-three thousand, eight hundred twenty-eight.