381448340
381,448,340 is an even composite number composed of six prime numbers multiplied together.
381448340 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 381448340:
22 × 5 × 72 × 13 × 79 × 379
(2 × 2 × 5 × 7 × 7 × 13 × 79 × 379)See below for interesting mathematical facts about the number 381448340 from the Numbermatics database.
Names of 381448340
- Cardinal: 381448340 can be written as Three hundred eighty-one million, four hundred forty-eight thousand, three hundred forty.
Scientific notation
- Scientific notation: 3.8144834 × 108
Factors of 381448340
Divisors of 381448340
- Number of divisors d(n): 144
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Complete list of divisors:
1 2 4 5 7 10 13 14 20 26 28 35 49 52 65 70 79 91 98 130 140 158 182 196 245 260 316 364 379 395 455 490 553 637 758 790 910 980 1027 1106 1274 1516 1580 1820 1895 2054 2212 2548 2653 2765 3185 3790 3871 4108 4927 5135 5306 5530 6370 7189 7580 7742 9854 10270 10612 11060 12740 13265 14378 15484 18571 19355 19708 20540 24635 26530 28756 29941 34489 35945 37142 38710 49270 50323 53060 59882 68978 71890 74284 77420 92855 98540 100646 119764 137956 143780 149705 172445 185710 201292 209587 241423 251615 299410 344890 371420 389233 419174 482846 503230 598820 689780 778466 838348 965692 1006460 1047935 1207115 1467109 1556932 1946165 2095870 2414230 2724631 2934218 3892330 4191740 4828460 5449262 5868436 7335545 7784660 10898524 13623155 14671090 19072417 27246310 29342180 38144834 54492620 76289668 95362085 190724170 381448340
- Sum of all divisors σ(n): 1018886400
- Sum of proper divisors (its aliquot sum) s(n): 637438060
- 381448340 is an abundant number, because the sum of its proper divisors (637438060) is greater than itself. Its abundance is 255989720
Bases of 381448340
- Binary: 101101011110001110000100101002
- Hexadecimal: 0x16BC7094
- Base-36: 6B3RF8
Squares and roots of 381448340
- 381448340 squared (3814483402) is 145502836088755600
- 381448340 cubed (3814483403) is 55501815291347916285704000
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The
square root of 381448340 is 19530.7024963261 -
The
cube root of 381448340 is 725.2347016583
Scales and comparisons
How big is 381448340?- 381,448,340 seconds is equal to 12 years, 6 weeks, 4 days, 21 hours, 52 minutes, 20 seconds.
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To count from 1 to 381,448,340 would take you about eighteen 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 381448340 cubic inches would be around 60.4 feet tall.
Recreational maths with 381448340
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