991148166927765

Names of 991148166927765

• Cardinal: 991148166927765 can be written as Nine hundred ninety-one trillion, one hundred forty-eight billion, one hundred sixty-six million, nine hundred twenty-seven thousand, seven hundred sixty-five.

Scientific notation

• Scientific notation: 9.91148166927765 × 10¹⁴

Factors of 991148166927765

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 520

Divisors of 991148166927765

• Number of divisors d(n): 448
• Complete list of divisors:
  1 3 5 7 9 11 15 21 27 33 35 37 45 55 63 77 81 99 105 111 135 165 185 189 231 243 259 297 315 333 385 405 407 457 495 555 567 693 729 777 891 945 999 1155 1215 1221 1295 1371 1485 1665 1701 2035 2079 2285 2331 2673 2835 2849 2997 3199 3465 3645 3663 3885 4113 4455 4995 5027 5103 6105 6237 6855 6993 8019 8505 8547 8991 9597 10395 10989 11655 12339 13365 14245 14985 15081 15995 16909 18315 18711 20565 20979 25135 25515 25641 26973 28791 31185 32967 34965 35189 37017 40095 42735 44955 45243 47985 50727 54945 56133 61695 62937 75405 76923 84545 86373 93555 98901 104895 105567 111051 118363 128205 134865 135729 143955 152181 164835 175945 185085 185999 188811 208849 226215 230769 253635 259119 280665 296703 314685 316701 333153 355089 384615 407187 431865 456543 494505 527835 555255 557997 591815 626547 678645 692307 760905 777357 929995 944055 950103 1044245 1065267 1153845 1221561 1295595 1301993 1369629 1461943 1483515 1583505 1665765 1673991 1775445 1879641 2035935 2076921 2282715 2297339 2332071 2789985 2850309 3132735 3195801 3461535 3664683 3886785 3905979 4108887 4385829 4750515 5021973 5326335 5638923 6107805 6509965 6848145 6892017 7309715 7727413 8369955 8550927 9398205 9587403 10384605 11486695 11660355 11717937 12326661 13157487 14251545 15065919 15979005 16081373 16916769 18323415 19529895 20544435 20676051 21929145 23182239 25109865 25652781 28194615 28762209 34460085 35153811 38637065 39472461 42754635 45197757 47937015 48244119 50750307 54091891 58589685 61633305 62028153 65787435 69546717 75329595 80406865 84583845 85001543 86286627 95443993 103380255 105461433 115911195 118417383 128263905 135593271 143811045 144732357 152250921 162275673 175769055 186084459 197362305 208640151 225988785 241220595 253751535 255004629 270459455 286331979 310140765 316384299 347733585 355252149 425007715 431433135 434197071 477219965 486827019 527307165 558253377 592086915 595010801 625920453 668107951 677966355 723661785 761254605 765013887 811378365 858995937 930422295 949152897 1043200755 1049883923 1065756447 1275023145 1302591213 1431659895 1460481057 1581921495 1674760131 1776260745 1785032403 1877761359 2004323853 2170985355 2295041661 2434135095 2576987811 2791266885 2975054005 3129602265 3149651769 3340539755 3531427741 3825069435 3907773639 4294979685 4381443171 4745764485 5249419615 5328782235 5355097209 5633284077 6012971559 6512956065 6885124983 7302405285 7349187461 7730963433 8373800655 8925162015 9388806795 9448955307 10021619265 10594283223 11475208305 11723320917 12884939055 13144329513 15748258845 16065291627 17657138705 18038914677 19538868195 20655374949 21907215855 22047562383 23192890299 24719994187 26775486045 28166420385 28346865921 30064857795 31782849669 34425624915 36745937305 38654817165 38845705151 39432988539 47244776535 48195874881 52971416115 54116744031 58616604585 61966124847 65721647565 66142687149 69578670897 74159982561 80326458135 85040597763 90194573385 95348549007 103276874745 110237811915 115964451495 116537115453 123599970935 141734329605 144587624643 158914248345 162350232093 194228525755 197164942695 198428061447 222479947683 240979374405 255121793289 270583720155 271919936057 286045647021 309830624235 330713435745 347893354485 349611346359 370799912805 425202988815 433762873929 476742745035 487050696279 582685577265 595284184341 667439843049 722938123215 765365379867 811751160465 815759808171 858136941063 992140307235 1048834039077 1112399738415 1275608966445 1359599680285 1430228235105 1748056731795 1785852553023 2002319529147 2168814369645 2435253481395 2447279424513 2574410823189 2976420921705 3146502117231 3337199215245 3826826899335 4078799040855 4290684705315 5244170195385 5357557659069 6006958587441 7341838273539 8929262765115 9439506351693 10011597645735 12236397122565 12872054115945 15732510586155 18020875762323 22025514820617 26787788295345 28318519055079 30034792937205 36709191367695 47197531758465 66076544461851 90104378811615 110127574103085 141592595275395 198229633385553 330382722309255 991148166927765
• Sum of all divisors σ(n): 2288369757427200
• Sum of proper divisors (its aliquot sum) s(n): 1297221590499435
• 991148166927765 is an abundant number, because the sum of its proper divisors (1297221590499435) is greater than itself. Its abundance is 306073423571670

Bases of 991148166927765

• Binary: 11100001010111000110101010011010001101010110010101₂
• Hexadecimal: 0x38571AA68D595
• Base-36: 9RBZ6JWGB9

Squares and roots of 991148166927765

• 991148166927765 squared (991148166927765²) is 982374688804268713318727895225
• 991148166927765 cubed (991148166927765³) is 973678872044584521335529289617448493063422125
• The square root of 991148166927765 is 31482505.7282257159
• The cube root of 991148166927765 is 99704.0639802317

Scales and comparisons

• 991,148,166,927,765 seconds is equal to 31,515,445 years, 46 weeks, 9 hours, 42 minutes, 45 seconds.
• To count from 1 to 991,148,166,927,765 would take you about seventy-eight million, seven hundred eighty-eight thousand, six hundred fourteen 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 991148166927765 cubic inches would be around 8308.7 feet tall.

Recreational maths with 991148166927765

• 991148166927765 backwards is 567729661841199
• 991148166927765 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 991148166927765's digits is 81
• More coming soon!