21230847792

Names of 21230847792

• Cardinal: 21230847792 can be written as Twenty-one billion, two hundred thirty million, eight hundred forty-seven thousand, seven hundred ninety-two.

Scientific notation

• Scientific notation: 2.1230847792 × 10¹⁰

Factors of 21230847792

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 330

Divisors of 21230847792

• Number of divisors d(n): 630
• Complete list of divisors:
  1 2 3 4 6 7 8 9 11 12 14 16 18 21 22 24 27 28 33 36 42 44 48 49 54 56 63 66 72 77 81 84 88 98 99 108 112 121 126 132 144 147 154 162 168 176 189 196 198 216 231 242 243 252 264 294 297 307 308 324 336 363 378 392 396 432 441 462 484 486 504 528 539 567 588 594 614 616 648 693 726 729 756 784 792 847 882 891 921 924 968 972 1008 1078 1089 1134 1176 1188 1228 1232 1296 1323 1386 1452 1458 1512 1584 1617 1694 1701 1764 1782 1842 1848 1936 1944 2079 2149 2156 2178 2268 2352 2376 2456 2541 2646 2673 2763 2772 2904 2916 3024 3234 3267 3377 3388 3402 3528 3564 3684 3696 3888 3969 4158 4298 4312 4356 4536 4752 4851 4912 5082 5103 5292 5346 5526 5544 5808 5832 5929 6237 6447 6468 6534 6754 6776 6804 7056 7128 7368 7623 7938 8019 8289 8316 8596 8624 8712 9072 9702 9801 10131 10164 10206 10584 10692 11052 11088 11664 11858 11907 12474 12894 12936 13068 13508 13552 13608 14256 14553 14736 15043 15246 15876 16038 16578 16632 17192 17424 17787 18711 19341 19404 19602 20262 20328 20412 21168 21384 22104 22869 23639 23716 23814 24867 24948 25788 25872 26136 27016 27216 29106 29403 30086 30393 30492 31752 32076 33156 33264 34384 35574 35721 37147 37422 38682 38808 39204 40524 40656 40824 42768 43659 44208 45129 45738 47278 47432 47628 49734 49896 51576 52272 53361 54032 56133 58023 58212 58806 60172 60786 60984 63504 64152 66312 68607 70917 71148 71442 74294 74601 74844 77364 77616 78408 81048 81648 87318 88209 90258 91179 91476 94556 94864 95256 99468 99792 103152 106722 111441 112266 116046 116424 117612 120344 121572 121968 128304 130977 132624 135387 137214 141834 142296 142884 148588 149202 149688 154728 156816 160083 162096 165473 174069 174636 176418 180516 182358 182952 189112 190512 198936 205821 212751 213444 222882 223803 224532 232092 232848 235224 240688 243144 260029 261954 270774 273537 274428 283668 284592 285768 297176 298404 299376 309456 320166 330946 334323 348138 349272 352836 361032 364716 365904 378224 392931 397872 406161 411642 425502 426888 445764 447606 449064 464184 470448 480249 486288 496419 520058 522207 523908 541548 547074 548856 567336 571536 594352 596808 617463 638253 640332 661892 668646 696276 698544 705672 722064 729432 780087 785862 812322 820611 823284 851004 853776 891528 895212 898128 928368 960498 992838 1002969 1040116 1044414 1047816 1083096 1094148 1097712 1134672 1193616 1218483 1234926 1276506 1280664 1323784 1337292 1392552 1411344 1440747 1458864 1489257 1560174 1566621 1571724 1624644 1641222 1646568 1702008 1783056 1790424 1820203 1914759 1920996 1985676 2005938 2080232 2088828 2095632 2166192 2188296 2340261 2436966 2461833 2469852 2553012 2561328 2647568 2674584 2785104 2881494 2978514 3008907 3120348 3133242 3143448 3249288 3282444 3293136 3404016 3580848 3640406 3655449 3829518 3841992 3971352 4011876 4160464 4177656 4322241 4376592 4467771 4680522 4873932 4923666 4939704 5106024 5349168 5460609 5744277 5762988 5957028 6017814 6240696 6266484 6286896 6498576 6564888 7020783 7280812 7310898 7659036 7683984 7942704 8023752 8355312 8644482 8935542 9026721 9361044 9747864 9847332 9879408 10212048 10921218 10966347 11488554 11525976 11914056 12035628 12481392 12532968 13129776 13403313 14041566 14561624 14621796 15318072 16047504 16381827 17232831 17288964 17871084 18053442 18722088 19495728 19694664 21062349 21842436 21932694 22977108 23051952 23828112 24071256 25065936 26806626 27080163 28083132 29123248 29243592 30636144 32763654 34465662 34577928 35742168 36106884 37444176 39389328 40209939 42124698 43684872 43865388 45954216 48142512 49145481 53613252 54160326 56166264 58487184 63187047 65527308 68931324 69155856 71484336 72213768 80419878 84249396 87369744 87730776 91908432 98290962 107226504 108320652 112332528 120629817 126374094 131054616 137862648 144427536 147436443 160839756 168498792 175461552 189561141 196581924 214453008 216641304 241259634 252748188 262109232 275725296 294872886 321679512 336997584 379122282 393163848 433282608 442309329 482519268 505496376 589745772 643359024 758244564 786327696 884618658 965038536 1010992752 1179491544 1326927987 1516489128 1769237316 1930077072 2358983088 2653855974 3032978256 3538474632 5307711948 7076949264 10615423896 21230847792
• Sum of all divisors σ(n): 79115043084
• Sum of proper divisors (its aliquot sum) s(n): 57884195292
• 21230847792 is an abundant number, because the sum of its proper divisors (57884195292) is greater than itself. Its abundance is 36653347500

Bases of 21230847792

• Binary: 10011110001011101010000011100110000₂
• Hexadecimal: 0x4F1750730
• Base-36: 9R4AR00

Squares and roots of 21230847792

• 21230847792 squared (21230847792²) is 450748897967071275264
• 21230847792 cubed (21230847792³) is 9569781245150628473145318617088
• The square root of 21230847792 is 145708.0910313493
• The cube root of 21230847792 is 2768.9967473777

Scales and comparisons

• 21,230,847,792 seconds is equal to 675 years, 3 weeks, 6 days, 9 hours, 43 minutes, 12 seconds.
• To count from 1 to 21,230,847,792 would take you about one thousand, three hundred fifty 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 21230847792 cubic inches would be around 230.7 feet tall.

Recreational maths with 21230847792

• 21230847792 backwards is 29774803212
• The number of decimal digits it has is: 11
• The sum of 21230847792's digits is 45
• More coming soon!