55945890
55,945,890 is an even composite number composed of seven prime numbers multiplied together.
55945890 is an even composite number. It is composed of seven distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 55945890:
2 × 35 × 5 × 7 × 11 × 13 × 23
(2 × 3 × 3 × 3 × 3 × 3 × 5 × 7 × 11 × 13 × 23)See below for interesting mathematical facts about the number 55945890 from the Numbermatics database.
Names of 55945890
- Cardinal: 55945890 can be written as Fifty-five million, nine hundred forty-five thousand, eight hundred ninety.
Scientific notation
- Scientific notation: 5.594589 × 107
Factors of 55945890
Divisors of 55945890
- Number of divisors d(n): 384
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Complete list of divisors:
1 2 3 5 6 7 9 10 11 13 14 15 18 21 22 23 26 27 30 33 35 39 42 45 46 54 55 63 65 66 69 70 77 78 81 90 91 99 105 110 115 117 126 130 135 138 143 154 161 162 165 182 189 195 198 207 210 230 231 234 243 253 270 273 286 297 299 315 322 330 345 351 378 385 390 405 414 429 455 462 483 486 495 506 546 567 585 594 598 621 630 690 693 702 715 759 770 805 810 819 858 891 897 910 945 966 990 1001 1035 1053 1134 1155 1170 1215 1242 1265 1287 1365 1386 1430 1449 1485 1495 1518 1610 1638 1701 1755 1771 1782 1794 1863 1890 2002 2070 2079 2093 2106 2145 2277 2310 2415 2430 2457 2530 2574 2673 2691 2730 2835 2898 2970 2990 3003 3105 3159 3289 3402 3465 3510 3542 3726 3795 3861 4095 4158 4186 4290 4347 4455 4485 4554 4830 4914 5005 5265 5313 5346 5382 5589 5670 6006 6210 6237 6279 6318 6435 6578 6831 6930 7245 7371 7590 7722 8073 8190 8505 8694 8855 8910 8970 9009 9315 9867 10010 10395 10465 10530 10626 11178 11385 11583 12285 12474 12558 12870 13041 13365 13455 13662 14490 14742 15015 15795 15939 16146 16445 17010 17710 18018 18630 18711 18837 19305 19734 20493 20790 20930 21735 22113 22770 23023 23166 24219 24570 26082 26565 26730 26910 27027 27945 29601 30030 31185 31395 31590 31878 32890 34155 34749 36855 37422 37674 38610 39123 40365 40986 43470 44226 45045 46046 47817 48438 49335 53130 54054 55890 56511 57915 59202 61479 62370 62790 65205 68310 69069 69498 72657 73710 78246 79695 80730 81081 88803 90090 93555 94185 95634 98670 102465 110565 113022 115115 115830 121095 122958 130410 135135 138138 143451 145314 148005 159390 162162 169533 173745 177606 187110 188370 195615 204930 207207 221130 230230 239085 242190 243243 266409 270270 282555 286902 296010 307395 339066 345345 347490 363285 391230 405405 414414 430353 444015 478170 486486 508599 532818 565110 614790 621621 690690 717255 726570 799227 810810 847665 860706 888030 1017198 1036035 1216215 1243242 1332045 1434510 1598454 1695330 1864863 2072070 2151765 2432430 2542995 2664090 3108105 3729726 3996135 4303530 5085990 5594589 6216210 7992270 9324315 11189178 18648630 27972945 55945890
- Sum of all divisors σ(n): 211341312
- Sum of proper divisors (its aliquot sum) s(n): 155395422
- 55945890 is an abundant number, because the sum of its proper divisors (155395422) is greater than itself. Its abundance is 99449532
Bases of 55945890
- Binary: 110101010110101010101000102
- Hexadecimal: 0x355AAA2
- Base-36: XB44I
Squares and roots of 55945890
- 55945890 squared (559458902) is 3129942607892100
- 55945890 cubed (559458903) is 175107424847444558469000
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The
square root of 55945890 is 7479.6985233363 -
The
cube root of 55945890 is 382.4629721945
Scales and comparisons
How big is 55945890?- 55,945,890 seconds is equal to 1 year, 40 weeks, 3 days, 12 hours, 31 minutes, 30 seconds.
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To count from 1 to 55,945,890 would take you about two 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 55945890 cubic inches would be around 31.9 feet tall.
Recreational maths with 55945890
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