28868009472

Names of 28868009472

• Cardinal: 28868009472 can be written as Twenty-eight billion, eight hundred sixty-eight million, nine thousand, four hundred seventy-two.

Scientific notation

• Scientific notation: 2.8868009472 × 10¹⁰

Factors of 28868009472

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 130

Divisors of 28868009472

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 24 27 31 32 36 41 48 53 54 62 64 72 82 93 96 106 108 123 124 128 144 159 164 186 192 212 216 246 248 256 279 288 318 328 369 372 384 424 432 477 492 496 512 558 576 636 656 738 744 768 837 848 864 954 961 984 992 1107 1116 1152 1271 1272 1312 1431 1476 1488 1536 1643 1674 1696 1728 1908 1922 1968 1984 2173 2214 2232 2304 2542 2544 2624 2862 2883 2952 2976 3286 3348 3392 3456 3813 3816 3844 3936 3968 4346 4428 4464 4608 4929 5084 5088 5248 5724 5766 5904 5952 6519 6572 6696 6784 6912 7626 7632 7688 7872 7936 8649 8692 8856 8928 9858 10168 10176 10496 11439 11448 11532 11808 11904 13038 13144 13392 13568 13824 14787 15252 15264 15376 15744 15872 17298 17384 17712 17856 19557 19716 20336 20352 20992 22878 22896 23064 23616 23808 25947 26076 26288 26784 27136 29574 30504 30528 30752 31488 34317 34596 34768 35424 35712 39114 39401 39432 40672 40704 44361 45756 45792 46128 47232 47616 50933 51894 52152 52576 53568 58671 59148 61008 61056 61504 62976 67363 68634 69192 69536 70848 71424 78228 78802 78864 81344 81408 88722 91512 91584 92256 94464 101866 103788 104304 105152 107136 117342 118203 118296 122016 122112 123008 134726 137268 138384 139072 141696 142848 152799 156456 157604 157728 162688 177444 183024 183168 184512 188928 202089 203732 207576 208608 210304 214272 234684 236406 236592 244032 244224 246016 269452 274536 276768 278144 283392 305598 312912 315208 315456 325376 354609 354888 366048 366336 369024 404178 407464 415152 417216 420608 428544 458397 469368 472812 473184 488064 492032 538904 549072 553536 556288 566784 606267 611196 625824 630416 630912 650752 709218 709776 732096 732672 738048 808356 814928 830304 834432 841216 916794 938736 945624 946368 976128 1063827 1077808 1098144 1107072 1112576 1212534 1222392 1251648 1260832 1261824 1375191 1418436 1419552 1464192 1476096 1616712 1629856 1660608 1668864 1818801 1833588 1877472 1891248 1892736 1952256 2088253 2127654 2155616 2196288 2214144 2425068 2444784 2503296 2521664 2523648 2750382 2836872 2839104 2928384 3233424 3259712 3321216 3337728 3637602 3667176 3754944 3782496 3785472 4176506 4255308 4311232 4392576 4428288 4850136 4889568 5006592 5043328 5500764 5673744 5678208 5856768 6264759 6466848 6519424 6642432 7275204 7334352 7509888 7564992 7570944 8353012 8510616 8622464 8785152 9700272 9779136 10013184 10086656 11001528 11347488 11356416 12529518 12933696 13038848 13284864 14550408 14668704 15019776 15129984 16706024 17021232 17244928 17570304 18794277 19400544 19558272 20173312 22003056 22694976 22712832 25059036 25867392 26077696 29100816 29337408 30039552 30259968 33412048 34042464 34489856 37588554 38801088 39116544 44006112 45389952 50118072 51734784 56382831 58201632 58674816 60519936 66824096 68084928 75177108 77602176 78233088 88012224 90779904 100236144 103469568 112765662 116403264 117349632 133648192 136169856 150354216 155204352 176024448 181559808 200472288 225531324 232806528 234699264 267296384 272339712 300708432 310408704 352048896 400944576 451062648 465613056 534592768 544679424 601416864 704097792 801889152 902125296 931226112 1069185536 1202833728 1603778304 1804250592 2405667456 3207556608 3608501184 4811334912 7217002368 9622669824 14434004736 28868009472
• Sum of all divisors σ(n): 92156914080
• Sum of proper divisors (its aliquot sum) s(n): 63288904608
• 28868009472 is an abundant number, because the sum of its proper divisors (63288904608) is greater than itself. Its abundance is 34420895136

Bases of 28868009472

• Binary: 11010111000101010101101111000000000₂
• Hexadecimal: 0x6B8AADE00
• Base-36: D9F9MO0

Squares and roots of 28868009472

• 28868009472 squared (28868009472²) is 833361970875481718784
• 28868009472 cubed (28868009472³) is 24057501268837994390419352322048
• The square root of 28868009472 is 169905.8841594369
• The cube root of 28868009472 is 3067.6486245021

Scales and comparisons

• 28,868,009,472 seconds is equal to 917 years, 47 weeks, 3 days, 11 hours, 31 minutes, 12 seconds.
• To count from 1 to 28,868,009,472 would take you about one thousand, eight hundred thirty-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 28868009472 cubic inches would be around 255.6 feet tall.

Recreational maths with 28868009472

• 28868009472 backwards is 27490086882
• 28868009472 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 28868009472's digits is 54
• More coming soon!