12400920
12,400,920 is an even composite number composed of six prime numbers multiplied together.
12400920 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred eighty-eight divisors.
Prime factorization of 12400920:
23 × 32 × 5 × 72 × 19 × 37
(2 × 2 × 2 × 3 × 3 × 5 × 7 × 7 × 19 × 37)See below for interesting mathematical facts about the number 12400920 from the Numbermatics database.
Names of 12400920
- Cardinal: 12400920 can be written as Twelve million, four hundred thousand, nine hundred twenty.
Scientific notation
- Scientific notation: 1.240092 × 107
Factors of 12400920
Divisors of 12400920
- Number of divisors d(n): 288
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Complete list of divisors:
1 2 3 4 5 6 7 8 9 10 12 14 15 18 19 20 21 24 28 30 35 36 37 38 40 42 45 49 56 57 60 63 70 72 74 76 84 90 95 98 105 111 114 120 126 133 140 147 148 152 168 171 180 185 190 196 210 222 228 245 252 259 266 280 285 294 296 315 333 342 360 370 380 392 399 420 441 444 456 490 504 518 532 555 570 588 630 665 666 684 703 735 740 760 777 798 840 855 882 888 931 980 1036 1064 1110 1140 1176 1197 1260 1295 1330 1332 1368 1406 1470 1480 1554 1596 1665 1710 1764 1813 1862 1960 1995 2072 2109 2205 2220 2280 2331 2394 2520 2590 2660 2664 2793 2812 2940 3108 3192 3330 3420 3515 3528 3626 3724 3885 3990 4218 4410 4440 4655 4662 4788 4921 5180 5320 5439 5586 5624 5880 5985 6216 6327 6660 6840 7030 7252 7448 7770 7980 8379 8436 8820 9065 9310 9324 9576 9842 10360 10545 10878 11172 11655 11970 12654 13320 13965 14060 14504 14763 15540 15960 16317 16758 16872 17640 18130 18620 18648 19684 21090 21756 22344 23310 23940 24605 25308 27195 27930 28120 29526 31080 31635 32634 33516 34447 36260 37240 39368 41895 42180 43512 44289 46620 47880 49210 50616 54390 55860 59052 63270 65268 67032 68894 72520 73815 81585 83790 84360 88578 93240 98420 103341 108780 111720 118104 126540 130536 137788 147630 163170 167580 172235 177156 196840 206682 217560 221445 253080 275576 295260 310023 326340 335160 344470 354312 413364 442890 516705 590520 620046 652680 688940 826728 885780 1033410 1240092 1377880 1550115 1771560 2066820 2480184 3100230 4133640 6200460 12400920
- Sum of all divisors σ(n): 50684400
- Sum of proper divisors (its aliquot sum) s(n): 38283480
- 12400920 is an abundant number, because the sum of its proper divisors (38283480) is greater than itself. Its abundance is 25882560
Bases of 12400920
- Binary: 1011110100111001000110002
- Hexadecimal: 0xBD3918
- Base-36: 7DSM0
Squares and roots of 12400920
- 12400920 squared (124009202) is 153782816846400
- 12400920 cubed (124009203) is 1907048409086858688000
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The
square root of 12400920 is 3521.4940011307 -
The
cube root of 12400920 is 231.4646295635
Scales and comparisons
How big is 12400920?- 12,400,920 seconds is equal to 20 weeks, 3 days, 12 hours, 42 minutes.
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To count from 1 to 12,400,920 would take you about thirty weeks!
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 12400920 cubic inches would be around 19.3 feet tall.
Recreational maths with 12400920
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