28729073445345

Names of 28729073445345

• Cardinal: 28729073445345 can be written as Twenty-eight trillion, seven hundred twenty-nine billion, seventy-three million, four hundred forty-five thousand, three hundred forty-five.

Scientific notation

• Scientific notation: 2.8729073445345 × 10¹³

Factors of 28729073445345

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 2256

Divisors of 28729073445345

• Number of divisors d(n): 512
• Complete list of divisors:
  1 3 5 7 9 13 15 17 21 27 35 39 45 51 63 65 85 91 105 117 119 127 135 153 189 195 221 255 273 315 351 357 381 455 459 585 595 635 663 765 819 889 945 991 1071 1093 1105 1143 1365 1547 1651 1755 1785 1905 1989 2159 2295 2457 2667 2973 3213 3279 3315 3429 4095 4445 4641 4953 4955 5355 5465 5715 5967 6477 6937 7651 7735 8001 8255 8919 9837 9945 10795 11557 12285 12883 13335 13923 14209 14859 14865 15113 16065 16395 16847 17145 18581 19431 20811 22953 23205 24003 24765 26757 28067 29511 29835 32385 34671 34685 38255 38649 40005 41769 42627 44577 44595 45339 49185 50541 55743 57785 58293 62433 64415 68859 69615 71045 74295 75565 84201 84235 90181 92905 97155 99463 104013 104055 114765 115947 117929 120015 125857 127881 130067 133785 136017 138811 140335 147555 151623 167229 173355 187299 193245 196469 206577 208845 213135 219011 222885 226695 241553 252603 252705 270543 278715 291465 298389 312039 312165 344295 347841 353787 377571 383643 390201 408051 416433 421005 450905 454869 497315 501687 520065 579735 589407 589645 629285 639405 650335 657033 680085 694055 724659 757809 758115 811629 836145 880999 895167 936495 971677 982345 1032885 1061361 1083163 1095055 1132713 1170603 1207765 1249299 1263015 1352715 1491945 1533077 1560195 1636141 1690871 1739205 1768221 1768935 1804543 1887855 1918215 1951005 1971099 2040255 2082165 2139569 2173977 2274345 2359787 2434887 2508435 2642997 2685501 2915031 2947035 3184083 3249489 3285165 3398139 3511809 3623295 3747897 3789045 4058145 4404995 4475835 4599231 4858385 4908423 5072613 5304663 5306805 5413629 5415815 5663565 5853015 5913297 6246495 6418707 6521931 7079361 7582141 7665385 7928991 8180705 8454355 8745093 8841105 9022715 9748467 9855495 10697845 10869885 11452987 11798935 12174435 12631801 13214985 13427505 13797693 14081119 14575155 14725269 14976983 15217839 15920415 16240887 16247445 16518509 16990695 17559045 18413771 18739485 19256121 21238083 22746423 22996155 23786973 24542115 25363065 26235279 26523315 27068145 27814397 29245401 29566485 30677231 32093535 32609655 34358961 35396805 37895403 37910705 39644955 41393079 42243357 43725465 44175807 44930949 45653517 48722661 48742335 49555527 55241313 57264935 57768363 63159005 63714249 68239269 68988465 70405595 73626345 74884915 76089195 81204435 82592545 83443191 92031693 92068855 96280605 98567833 103076883 106190415 113686209 113732115 118934865 126730071 128896397 131176395 134792847 137561701 139071985 146227005 148666581 153386155 165723939 171794805 189477015 194700779 204717807 206965395 211216785 214740617 220879035 224654745 228267585 239379023 243613305 247777635 250329573 276095079 276206565 288841815 295703499 309230649 318571245 341058627 341196345 380190213 386689191 404378541 412685103 417215955 445999743 460158465 492839165 497171817 515384415 568431045 584102337 633650355 644221851 644481985 673964235 687808505 718137069 743332905 750988719 828285237 828619695 887110497 962931907 973503895 1023589035 1073703085 1160067573 1196895115 1238055309 1251647865 1380475395 1478517495 1546153245 1675653161 1705293135 1752307011 1788302113 1900951065 1932665553 1933445955 2021892705 2063425515 2154411207 2229998715 2338548917 2485859085 2661331491 2888795721 2920511685 3221109255 3480202719 3590685345 3714165927 3754943595 4141426185 4435552485 4814659535 5026959483 5256921033 5364906339 5797996659 5800337865 6190276545 6463233621 7015646751 8378265805 8666387163 8761535055 8941510565 9663327765 10772056035 11692744585 12518114791 13306657455 14443978605 15080878449 16094719017 16369842419 17401013595 18570829635 21046940253 25134797415 25999161489 26284605165 26824531695 28989983295 30401135921 32316168105 35078233755 37554344373 43331935815 45242635347 48284157051 49109527257 62590573955 63140820759 75404392245 80473595085 81849212095 91203407763 105234701265 112663033119 129995807445 147328581771 152005679605 187771721865 212807951447 226213176735 241420785255 245547636285 273610223289 315704103795 337989099357 441985745313 456017038815 563315165595 638423854341 736642908855 820830669867 1064039757235 1368051116445 1689945496785 1915271563023 2209928726565 3192119271705 4104153349335 5745814689069 9576357815115 28729073445345
• Sum of all divisors σ(n): 67211058216960
• Sum of proper divisors (its aliquot sum) s(n): 38481984771615
• 28729073445345 is an abundant number, because the sum of its proper divisors (38481984771615) is greater than itself. Its abundance is 9752911326270

Bases of 28729073445345

• Binary: 110100010000100000010001101111010100111100001₂
• Hexadecimal: 0x1A210237A9E1
• Base-36: A6LYCKEE9

Squares and roots of 28729073445345

• 28729073445345 squared (28729073445345²) is 825359661028027228702169025
• 28729073445345 cubed (28729073445345³) is 23711818320499247539899095343931289438625
• The square root of 28729073445345 is 5359950.8808705515
• The cube root of 28729073445345 is 30627.1937926007

Scales and comparisons

• 28,729,073,445,345 seconds is equal to 913,495 years, 34 weeks, 6 days, 3 hours, 15 minutes, 45 seconds.
• To count from 1 to 28,729,073,445,345 would take you about two million, two hundred eighty-three thousand, seven hundred thirty-nine 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 28729073445345 cubic inches would be around 2552.3 feet tall.

Recreational maths with 28729073445345

• 28729073445345 backwards is 54354437092782
• 28729073445345 is a Harshad number.
• The number of decimal digits it has is: 14
• The sum of 28729073445345's digits is 63
• More coming soon!