19929799890

Names of 19929799890

• Cardinal: 19929799890 can be written as Nineteen billion, nine hundred twenty-nine million, seven hundred ninety-nine thousand, eight hundred ninety.

Scientific notation

• Scientific notation: 1.992979989 × 10¹⁰

Factors of 19929799890

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 58

Divisors of 19929799890

• Number of divisors d(n): 864
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 13 14 15 17 18 21 22 26 30 33 34 35 39 42 45 49 51 55 63 65 66 70 77 78 85 90 91 98 99 102 105 110 117 119 121 126 130 143 147 153 154 165 169 170 182 187 195 198 210 221 231 234 238 242 245 255 273 286 294 306 315 330 338 357 363 374 385 390 429 441 442 455 462 490 495 507 510 539 546 561 585 595 605 630 637 663 693 714 715 726 735 765 770 819 833 845 847 858 882 910 935 990 1001 1014 1071 1078 1089 1105 1122 1155 1170 1183 1190 1210 1274 1287 1309 1326 1365 1386 1430 1470 1521 1530 1547 1573 1617 1638 1666 1683 1690 1694 1785 1815 1859 1870 1911 1989 2002 2057 2142 2145 2178 2197 2205 2210 2310 2366 2431 2499 2535 2541 2574 2618 2695 2730 2805 2873 3003 3042 3094 3146 3185 3234 3315 3366 3465 3549 3570 3630 3718 3822 3927 3978 4095 4114 4165 4235 4290 4394 4410 4641 4719 4851 4862 4998 5005 5070 5082 5355 5390 5445 5577 5610 5733 5746 5915 5929 6006 6171 6370 6435 6545 6591 6630 6930 7007 7098 7293 7497 7605 7623 7735 7854 7865 8085 8190 8281 8330 8415 8470 8619 9009 9163 9282 9295 9438 9555 9702 9945 10010 10285 10647 10710 10829 10890 10985 11011 11154 11466 11781 11830 11858 12155 12342 12495 12705 12870 13013 13090 13182 13923 14014 14157 14365 14399 14586 14994 15015 15210 15246 15379 15470 15730 16170 16562 16731 16830 17017 17238 17745 17787 18018 18326 18513 18590 19110 19635 19773 19890 20111 20449 20570 21021 21294 21658 21879 21970 22022 23205 23562 23595 24167 24255 24310 24843 24990 25410 25857 26026 26741 27489 27846 27885 28314 28665 28730 28798 29645 30030 30758 30855 31603 32487 32955 33033 33462 34034 35035 35490 35574 36465 37026 37349 37485 38115 39039 39270 39546 40222 40898 41405 42042 43095 43197 43758 45045 45815 46137 46410 47190 48334 48510 49686 51051 51714 53235 53361 53482 54145 54978 55055 55770 57330 58905 59290 60333 61347 61710 63063 63206 64974 65065 65910 66066 69615 70070 70785 71995 72501 72930 74529 74698 74970 76230 76895 77077 78078 80223 82467 82810 83655 85085 86190 86394 88935 90090 91091 91630 92274 92565 94809 97461 98865 99099 100555 100793 102102 102245 105105 106470 106722 107653 108290 109395 110110 112047 117117 117810 119119 120666 120835 122694 124215 126126 129285 129591 130130 133705 137445 138411 139230 140777 141570 143143 143990 145002 149058 153153 153790 154154 158015 160446 162435 164934 165165 167310 169169 170170 177870 180999 182182 184041 185130 186745 187187 189618 194922 195195 197730 198198 201110 201586 204490 210210 215306 215985 217503 218790 221221 224094 230685 231231 234234 238238 240669 241670 248430 255255 258570 259182 261443 265837 266805 267410 273273 274890 276822 281554 284427 286286 301665 302379 306306 306735 315315 316030 322959 324870 330330 336141 338338 347633 357357 361998 362505 368082 372645 373490 374374 385385 390390 401115 410839 412335 422331 429429 431970 435006 442442 455455 461370 462462 474045 481338 487305 495495 503965 507507 510510 522886 531674 533610 538265 546546 560235 561561 568854 585585 595595 603330 604758 613470 630630 645918 647955 663663 672282 692055 693693 695266 703885 714714 715715 725010 745290 765765 770770 784329 797511 802230 819819 821678 824670 844662 845845 858858 904995 907137 910910 920205 935935 948090 968877 974610 990990 1002001 1007930 1015014 1042899 1072071 1076530 1087515 1106105 1120470 1123122 1156155 1171170 1184183 1191190 1203345 1232517 1266993 1288287 1295910 1307215 1310309 1327326 1329185 1366365 1384110 1387386 1407770 1422135 1431430 1511895 1522521 1531530 1548547 1568658 1595022 1614795 1639638 1680705 1684683 1691690 1738165 1786785 1809990 1814274 1830101 1840410 1860859 1871870 1937754 1990989 2004002 2054195 2085798 2111655 2144142 2147145 2175030 2212210 2312310 2352987 2368366 2392533 2406690 2433431 2465034 2533986 2537535 2576574 2614430 2620618 2658370 2732730 2807805 2844270 2875873 3006003 3023790 3045042 3097094 3128697 3229590 3318315 3361410 3369366 3468465 3476330 3552549 3573570 3660202 3697551 3721718 3921645 3930927 3981978 3987555 4099095 4108390 4223310 4294290 4519229 4535685 4645641 4705974 4785066 4844385 4866862 5010005 5075070 5214495 5360355 5490303 5582577 5615610 5751746 5920915 6012006 6162585 6257394 6334965 6441435 6551545 6636630 6936930 7105098 7300293 7395102 7612605 7742735 7843290 7861854 7975110 8198190 8423415 8627619 9018009 9038458 9071370 9150505 9291282 9304295 9688770 9954945 10020010 10428990 10657647 10720710 10980606 11165154 11764935 11792781 11841830 11962665 12167155 12325170 12669930 12882870 13026013 13103090 13557687 13936923 14379365 14600586 15030015 15225210 15485470 15643485 16470909 16747731 16846830 17034017 17255238 17762745 18036018 18301010 18487755 18608590 19654635 19909890 20131111 21315294 21900879 22596145 23228205 23529870 23585562 23925330 24334310 25882857 26052026 27115374 27451515 27873846 27912885 28758730 30060030 31286970 31634603 32941818 33495462 34068034 35525490 36501465 36975510 39078039 39309270 40262222 40673061 43138095 43801758 45090045 45192290 46456410 51102051 51765714 53288235 54903030 55825770 58963905 60393333 63269206 65130065 67788435 69684615 73002930 78156078 81346122 82354545 83738655 85170085 86276190 90180090 94903809 100655555 102204102 106576470 109504395 117234117 117927810 120786666 129414285 130260130 135576870 139369230 153306153 158173015 164709090 167477310 170340170 181179999 189807618 195390195 201311110 203365305 219008790 221442221 234468234 255510255 258828570 284711427 301966665 306612306 316346030 362359998 390780390 406730610 442884442 474519045 511020510 569422854 586170585 603933330 664326663 766530765 905899995 949038090 1107211105 1172341170 1328653326 1423557135 1533061530 1811799990 1992979989 2214422210 2847114270 3321633315 3985959978 6643266630 9964899945 19929799890
• Sum of all divisors σ(n): 75996189360
• Sum of proper divisors (its aliquot sum) s(n): 56066389470
• 19929799890 is an abundant number, because the sum of its proper divisors (56066389470) is greater than itself. Its abundance is 36136589580

Bases of 19929799890

• Binary: 10010100011111010001001110011010010₂
• Hexadecimal: 0x4A3E89CD2
• Base-36: 95LOS0I

Squares and roots of 19929799890

• 19929799890 squared (19929799890²) is 397196923655444012100
• 19929799890 cubed (19929799890³) is 7916055205376606470251738669000
• The square root of 19929799890 is 141172.9431938005
• The cube root of 19929799890 is 2711.2380199663

Scales and comparisons

• 19,929,799,890 seconds is equal to 633 years, 36 weeks, 4 days, 23 hours, 31 minutes, 30 seconds.
• To count from 1 to 19,929,799,890 would take you about one thousand, two hundred sixty-seven 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 19929799890 cubic inches would be around 225.9 feet tall.

Recreational maths with 19929799890

• 19929799890 backwards is 09899792991
• The number of decimal digits it has is: 11
• The sum of 19929799890's digits is 72
• More coming soon!