28009017855
28,009,017,855 is an odd composite number composed of eight prime numbers multiplied together.
28009017855 is an odd composite number. It is composed of eight distinct prime numbers multiplied together. It has a total of three hundred eighty-four divisors.
Prime factorization of 28009017855:
32 × 5 × 7 × 13 × 23 × 31 × 53 × 181
(3 × 3 × 5 × 7 × 13 × 23 × 31 × 53 × 181)See below for interesting mathematical facts about the number 28009017855 from the Numbermatics database.
Names of 28009017855
- Cardinal: 28009017855 can be written as Twenty-eight billion, nine million, seventeen thousand, eight hundred fifty-five.
Scientific notation
- Scientific notation: 2.8009017855 × 1010
Factors of 28009017855
Divisors of 28009017855
- Number of divisors d(n): 384
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Complete list of divisors:
1 3 5 7 9 13 15 21 23 31 35 39 45 53 63 65 69 91 93 105 115 117 155 159 161 181 195 207 217 265 273 279 299 315 345 371 403 455 465 477 483 543 585 651 689 713 795 805 819 897 905 1035 1085 1113 1209 1219 1267 1365 1395 1449 1495 1629 1643 1855 1953 2015 2067 2093 2139 2353 2385 2415 2691 2715 2821 3255 3339 3445 3565 3627 3657 3801 4095 4163 4485 4823 4929 4991 5565 5611 6045 6095 6201 6279 6335 6417 7059 7245 8145 8215 8463 8533 9269 9593 9765 10335 10465 10695 10971 11403 11501 11765 12489 13455 14105 14469 14787 14973 15847 16471 16695 16833 18135 18285 18837 19005 20815 21177 21359 24115 24645 24955 25389 25599 27807 28055 28779 29141 31005 31395 32085 34503 35295 37467 37789 39277 42315 42665 43407 44919 46345 47541 47965 49413 50499 54119 54855 57015 57505 62445 64077 64883 67151 72345 72943 73935 74865 76797 79235 82355 83421 84165 86337 87423 94185 103509 105885 106795 110929 113367 117831 124709 126945 127995 129053 139035 142623 143895 145705 148239 149513 162357 172515 187335 188945 192231 194649 196385 201453 217035 218829 220639 224595 237705 247065 252495 262269 264523 270595 297383 320385 324415 332787 335755 340101 353493 364715 374127 378833 383985 387159 417105 431685 437115 448539 487071 491257 510601 517545 554645 566835 583947 589155 604359 623545 645265 656487 661917 713115 741195 747565 793569 811785 872963 892149 903371 961155 973245 998361 1007265 1094145 1103195 1122381 1136499 1161477 1311345 1322615 1345617 1473771 1486915 1531803 1544473 1663935 1677689 1700505 1767465 1870635 1894165 1935795 1985751 2081681 2242695 2380707 2435355 2456285 2553005 2618889 2676447 2710113 2868307 2919735 3021795 3282435 3309585 3409497 3438799 3865979 3967845 4364815 4421313 4460745 4516855 4595409 4633419 4991805 5033067 5611905 5682495 5807385 6245043 6728085 6839809 7368855 7659015 7722365 7856667 8130339 8388445 8604921 9928755 10316397 10408405 11597937 11743823 11903535 13094445 13382235 13550565 13900257 14341535 15099201 17047485 17193995 18735129 19329895 20078149 20519427 22106565 22977045 23167095 25165335 25814763 27061853 30949191 31225215 34199045 34793811 35231469 39283335 40651695 43024605 47878663 51581985 57989685 58719115 60234447 61558281 69501285 75496005 81185559 88917517 93675645 100390745 102597135 105694407 129073815 135309265 143635989 154745955 173969055 176157345 180703341 239393315 243556677 266752551 301172235 307791405 405927795 430907967 444587585 528472035 622422619 718179945 800257653 903516705 1217783385 1333762755 1867267857 2154539835 3112113095 4001288265 5601803571 9336339285 28009017855
- Sum of all divisors σ(n): 65938489344
- Sum of proper divisors (its aliquot sum) s(n): 37929471489
- 28009017855 is an abundant number, because the sum of its proper divisors (37929471489) is greater than itself. Its abundance is 9920453634
Bases of 28009017855
- Binary: 110100001010111011110110001111111112
- Hexadecimal: 0x68577B1FF
- Base-36: CV7UGHR
Squares and roots of 28009017855
- 28009017855 squared (280090178552) is 784505081201708801025
- 28009017855 cubed (280090178553) is 21973216826716886664419867301375
-
The
square root of 28009017855 is 167358.9491332925 -
The
cube root of 28009017855 is 3036.9149311589
Scales and comparisons
How big is 28009017855?- 28,009,017,855 seconds is equal to 890 years, 31 weeks, 1 day, 10 hours, 44 minutes, 15 seconds.
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To count from 1 to 28,009,017,855 would take you about one thousand, seven hundred eighty-one 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 28009017855 cubic inches would be around 253.1 feet tall.
Recreational maths with 28009017855
- 28009017855 backwards is 55871090082
- 28009017855 is a
Harshad number . - The number of decimal digits it has is: 11
- The sum of 28009017855's digits is 45
- More coming soon!
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The information we have on file for 28009017855 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!
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