20420919792

Names of 20420919792

• Cardinal: 20420919792 can be written as Twenty billion, four hundred twenty million, nine hundred nineteen thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 2.0420919792 × 10¹⁰

Factors of 20420919792

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 180

Divisors of 20420919792

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 17 18 21 24 26 28 29 34 36 39 42 48 51 52 56 58 63 68 72 78 84 87 91 102 104 109 112 116 117 119 126 136 144 153 156 168 174 182 203 204 208 218 221 232 234 238 252 261 272 273 306 312 327 336 348 357 364 377 406 408 436 442 464 468 476 493 504 522 546 609 612 624 654 663 696 714 728 754 763 812 816 819 841 872 884 936 952 981 986 1008 1044 1071 1092 1131 1218 1224 1308 1326 1392 1417 1428 1456 1479 1508 1526 1547 1624 1638 1682 1744 1768 1827 1853 1872 1904 1962 1972 1989 2088 2142 2184 2262 2289 2436 2448 2523 2616 2639 2652 2834 2856 2958 3016 3052 3094 3161 3248 3276 3364 3393 3451 3536 3654 3706 3924 3944 3978 4176 4251 4284 4368 4437 4524 4578 4641 4872 5046 5232 5278 5304 5559 5668 5712 5887 5916 6032 6104 6188 6322 6409 6552 6728 6786 6867 6902 7308 7412 7569 7848 7888 7917 7956 8502 8568 8874 9048 9156 9282 9483 9744 9919 10092 10353 10556 10608 10933 11118 11336 11774 11832 12208 12376 12644 12753 12818 12971 13104 13456 13572 13734 13804 13923 14297 14616 14824 15138 15696 15834 15912 16677 17004 17136 17661 17748 18096 18312 18564 18966 19227 19838 20184 20706 21112 21866 22127 22236 22672 23548 23664 23751 24089 24752 25288 25506 25636 25942 27144 27468 27608 27846 28449 28594 29232 29648 29757 30276 31059 31668 31824 32799 33354 34008 35322 35496 36624 37128 37932 38454 38913 39676 40368 41093 41412 42224 42891 43732 44254 44472 44863 47096 47502 48178 50576 51012 51272 51884 52983 53737 54288 54936 55216 55692 56898 57188 57681 59514 60552 62118 63336 65598 66381 66708 68016 70644 70992 72267 74256 75864 76531 76908 77826 79352 82186 82824 85782 87464 88508 88944 89271 89726 91669 94192 95004 96356 98397 100079 102024 102544 103768 105966 107474 109872 111384 113796 114376 115362 116739 119028 121104 123279 124236 126672 128673 131196 132762 133416 134589 141288 144534 151728 153062 153816 155652 158704 161211 164372 165648 168623 171564 174928 177016 178542 179452 183338 185861 190008 192712 196794 199143 200158 204048 207536 211932 214948 216801 222768 227592 228752 229593 230724 233478 238056 246558 248472 257346 262392 265524 266832 269178 275007 282576 287651 289068 300237 306124 307632 311304 322422 328744 337246 343128 354032 357084 358904 366676 369837 371722 376159 380016 385424 393588 398286 400316 403767 423864 429896 433602 455184 459186 461448 466956 476112 483633 493116 496944 505869 514692 524784 531048 538356 550014 557583 575302 578136 600474 612248 622608 641683 644844 657488 674492 686256 688779 698581 714168 717808 733352 739674 743444 752318 787176 796572 800632 807534 825021 847728 859792 862953 867204 900711 918372 922896 933912 967266 986232 1011738 1029384 1062096 1076712 1100028 1115166 1128477 1150604 1156272 1191697 1200948 1224496 1283366 1289688 1301027 1348984 1377558 1397162 1428336 1466704 1479348 1486888 1504636 1517607 1558373 1574352 1593144 1601264 1615068 1650042 1672749 1725906 1734408 1801422 1836744 1867824 1925049 1934532 1972464 2023476 2058768 2095743 2153424 2200056 2230332 2256954 2301208 2383394 2401896 2566732 2579376 2588859 2602054 2697968 2755116 2794324 2958696 2973776 3009272 3035214 3116746 3186288 3230136 3300084 3345498 3385431 3451812 3468816 3575091 3602844 3673488 3850098 3869064 3903081 4046952 4191486 4400112 4460664 4513908 4602416 4675119 4766788 4803792 4890067 5133464 5177718 5204108 5510232 5588648 5775147 5917392 6018544 6070428 6233492 6287229 6460272 6600168 6690996 6770862 6903624 7150182 7205688 7700196 7738128 7806162 8093904 8341879 8382972 8921328 9027816 9350238 9533576 9780134 10266928 10355436 10408216 10725273 10908611 11020464 11177296 11550294 11709243 12140856 12466984 12574458 13200336 13381992 13541724 13807248 14025357 14300364 14411376 14670201 15400392 15612324 16683758 16765944 18055632 18700476 19067152 19560268 20258849 20710872 20816432 21450546 21817222 23100588 23418486 24281712 24933968 25025637 25148916 26763984 27083448 28050714 28600728 29340402 30800784 31224648 32725833 33367516 33531888 37400952 39120536 40517698 41421744 42901092 43634444 44010603 46201176 46836972 50051274 50297832 54166896 56101428 57201456 58680804 60776547 62449296 65451666 66735032 74801904 75076911 78241072 81035396 85802184 87268888 88021206 92402352 93673944 98177499 100102548 100595664 112202856 117361608 121553094 130903332 133470064 141811943 150153822 162070792 171604368 174537776 176042412 182329641 187347888 196354998 200205096 224405712 234723216 243106188 261806664 283623886 300307644 324141584 352084824 364659282 392709996 400410192 425435829 486212376 523613328 567247772 600615288 704169648 729318564 785419992 850871658 972424752 1134495544 1201230576 1276307487 1458637128 1570839984 1701743316 2268991088 2552614974 2917274256 3403486632 5105229948 6806973264 10210459896 20420919792
• Sum of all divisors σ(n): 77840642880
• Sum of proper divisors (its aliquot sum) s(n): 57419723088
• 20420919792 is an abundant number, because the sum of its proper divisors (57419723088) is greater than itself. Its abundance is 36998803296

Bases of 20420919792

• Binary: 10011000001001011101000000111110000₂
• Hexadecimal: 0x4C12E81F0
• Base-36: 9DQ36K0

Squares and roots of 20420919792

• 20420919792 squared (20420919792²) is 417013965151297323264
• 20420919792 cubed (20420919792³) is 8515808734498525783118439641088
• The square root of 20420919792 is 142901.7837257467
• The cube root of 20420919792 is 2733.3281022835

Scales and comparisons

• 20,420,919,792 seconds is equal to 649 years, 16 weeks, 5 days, 5 hours, 43 minutes, 12 seconds.
• To count from 1 to 20,420,919,792 would take you about one thousand, two hundred ninety-eight 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 20420919792 cubic inches would be around 227.8 feet tall.

Recreational maths with 20420919792

• 20420919792 backwards is 29791902402
• The number of decimal digits it has is: 11
• The sum of 20420919792's digits is 45
• More coming soon!