122721228
122,721,228 is an even composite number composed of five prime numbers multiplied together.
122721228 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of one hundred forty-four divisors.
Prime factorization of 122721228:
22 × 32 × 7 × 193 × 71
(2 × 2 × 3 × 3 × 7 × 19 × 19 × 19 × 71)See below for interesting mathematical facts about the number 122721228 from the Numbermatics database.
Names of 122721228
- Cardinal: 122721228 can be written as One hundred twenty-two million, seven hundred twenty-one thousand, two hundred twenty-eight.
Scientific notation
- Scientific notation: 1.22721228 × 108
Factors of 122721228
Divisors of 122721228
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 3 4 6 7 9 12 14 18 19 21 28 36 38 42 57 63 71 76 84 114 126 133 142 171 213 228 252 266 284 342 361 399 426 497 532 639 684 722 798 852 994 1083 1197 1278 1349 1444 1491 1596 1988 2166 2394 2527 2556 2698 2982 3249 4047 4332 4473 4788 5054 5396 5964 6498 6859 7581 8094 8946 9443 10108 12141 12996 13718 15162 16188 17892 18886 20577 22743 24282 25631 27436 28329 30324 37772 41154 45486 48013 48564 51262 56658 61731 76893 82308 84987 90972 96026 102524 113316 123462 144039 153786 169974 179417 192052 230679 246924 288078 307572 339948 358834 432117 461358 486989 538251 576156 717668 864234 922716 973978 1076502 1460967 1614753 1728468 1947956 2153004 2921934 3229506 3408923 4382901 5843868 6459012 6817846 8765802 10226769 13635692 17531604 20453538 30680307 40907076 61360614 122721228
- Sum of all divisors σ(n): 379491840
- Sum of proper divisors (its aliquot sum) s(n): 256770612
- 122721228 is an abundant number, because the sum of its proper divisors (256770612) is greater than itself. Its abundance is 134049384
Bases of 122721228
- Binary: 1110101000010010011110011002
- Hexadecimal: 0x75093CC
- Base-36: 212CB0
Squares and roots of 122721228
- 122721228 squared (1227212282) is 15060499801827984
- 122721228 cubed (1227212283) is 1848243029974086841244352
-
The
square root of 122721228 is 11077.9613647999 -
The
cube root of 122721228 is 496.9429847405
Scales and comparisons
How big is 122721228?- 122,721,228 seconds is equal to 3 years, 46 weeks, 6 days, 9 hours, 13 minutes, 48 seconds.
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To count from 1 to 122,721,228 would take you about five 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 122721228 cubic inches would be around 41.4 feet tall.
Recreational maths with 122721228
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