19988081568

Names of 19988081568

• Cardinal: 19988081568 can be written as Nineteen billion, nine hundred eighty-eight million, eighty-one thousand, five hundred sixty-eight.

Scientific notation

• Scientific notation: 1.9988081568 × 10¹⁰

Factors of 19988081568

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 71

Divisors of 19988081568

• Number of divisors d(n): 972
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 16 17 18 21 24 26 28 29 32 34 36 39 42 48 49 51 52 56 58 63 68 72 78 84 87 91 96 98 102 104 112 116 117 119 126 136 144 147 153 156 168 169 174 182 196 203 204 208 221 224 232 234 238 252 261 272 273 288 289 294 306 312 336 338 348 357 364 377 392 406 408 416 441 442 464 468 476 493 504 507 522 544 546 578 588 609 612 624 637 663 672 676 696 714 728 754 784 812 816 819 833 867 882 884 928 936 952 986 1008 1014 1044 1071 1092 1131 1156 1176 1183 1218 1224 1248 1274 1326 1352 1392 1421 1428 1456 1479 1508 1521 1547 1568 1624 1632 1638 1666 1734 1764 1768 1827 1872 1904 1911 1972 1989 2016 2023 2028 2088 2142 2184 2262 2312 2352 2366 2436 2448 2499 2548 2601 2639 2652 2704 2784 2842 2856 2873 2912 2958 3016 3042 3094 3248 3276 3332 3393 3451 3468 3528 3536 3549 3654 3744 3757 3808 3822 3944 3978 4046 4056 4176 4263 4284 4368 4437 4524 4624 4641 4704 4732 4872 4896 4901 4998 5096 5202 5278 5304 5408 5684 5712 5733 5746 5916 6032 6069 6084 6188 6409 6496 6552 6664 6786 6902 6936 7056 7072 7098 7308 7497 7514 7644 7888 7917 7956 8092 8112 8281 8352 8381 8526 8568 8619 8736 8874 9048 9248 9282 9464 9744 9802 9996 10192 10353 10404 10556 10608 10647 10829 11271 11368 11424 11466 11492 11832 12064 12138 12168 12376 12789 12818 13104 13328 13572 13804 13872 13923 14112 14161 14196 14616 14703 14994 15028 15288 15776 15834 15912 16184 16224 16562 16762 17052 17136 17238 17748 18096 18207 18473 18564 18928 19227 19488 19604 19992 20111 20384 20706 20808 21112 21216 21294 21658 22542 22736 22932 22984 23664 23751 24157 24276 24336 24752 24843 25143 25578 25636 25857 26208 26299 26656 27144 27608 27744 27846 28322 28392 29232 29406 29988 30056 30576 31059 31668 31824 32368 32487 33124 33524 33813 34104 34272 34307 34476 35496 36192 36414 36946 37128 37856 38454 39208 39984 40222 41412 41616 42224 42483 42588 43316 44109 44863 45084 45472 45864 45968 47328 47502 48314 48552 48672 48841 49504 49686 50286 51156 51272 51714 52598 54288 55216 55419 55692 56644 56784 57681 58464 58667 58812 59976 60112 60333 61152 62118 63336 63648 64736 64974 66248 67048 67626 68208 68614 68952 70992 72471 72828 73892 74256 74529 75429 76908 78416 78897 79968 80444 82824 83232 83317 84448 84966 85176 86632 88218 89726 90168 91728 91936 95004 96628 97104 97461 97682 99372 100572 102312 102544 102921 103428 105196 108576 108953 110432 110838 111384 113288 113568 115362 117334 117624 119952 120224 120666 124236 126672 127449 129948 132496 134096 134589 135252 136416 137228 137904 140777 141984 144942 145656 146523 147784 148512 149058 150858 153816 156832 157794 160888 165648 166257 166634 169932 170352 173264 176001 176436 179452 180336 180999 183456 184093 190008 193256 194208 194922 195364 198744 201144 204624 205088 205842 206856 210392 217413 217906 221676 222768 226576 230724 234668 235248 236691 239904 240149 241332 248472 249951 253344 254898 259896 264992 268192 269178 270504 274456 275808 281554 289884 291312 293046 295568 298116 301716 307632 308763 314041 315588 321776 326859 331296 332514 333268 339864 340704 341887 346528 352002 352872 358904 360672 361998 368186 380016 386512 389844 390728 397488 402288 403767 409248 410669 411684 413712 420784 422331 434826 435812 439569 443352 445536 453152 461448 469336 470496 473382 480298 482664 496944 499902 509796 519792 528003 538356 541008 548912 552279 563108 579768 582624 583219 586092 591136 596232 603432 615264 617526 628082 631176 643552 653718 665028 666536 679728 683774 704004 705744 717808 720447 723996 736372 749853 760032 762671 773024 779688 781456 794976 804576 807534 821338 823368 827424 841568 844662 869652 871624 879138 886704 922896 938672 942123 946764 960596 965328 980577 993888 999804 1019592 1025661 1039584 1056006 1076712 1082016 1097824 1104558 1126216 1159536 1166438 1172184 1192464 1206864 1232007 1235052 1256164 1262352 1266993 1307436 1330056 1333072 1359456 1367548 1408008 1411488 1416389 1435616 1440894 1447992 1472744 1499706 1525342 1559376 1562912 1615068 1642676 1646736 1656837 1689324 1739304 1743248 1749657 1758276 1773408 1845792 1877344 1884246 1893528 1921192 1930656 1961154 1999608 2039184 2051322 2112012 2153424 2161341 2209116 2252432 2288013 2319072 2332876 2344368 2384928 2393209 2413728 2464014 2470104 2512328 2524704 2533986 2614872 2660112 2666144 2735096 2816016 2826369 2832778 2881788 2895984 2945488 2999412 3050684 3076983 3118752 3230136 3285352 3293472 3313674 3378648 3478608 3486496 3499314 3516552 3696021 3768492 3787056 3842384 3922308 3999216 4078368 4082533 4102644 4224024 4249167 4306848 4322682 4418232 4504864 4576026 4665752 4688736 4786418 4928028 4940208 5024656 5067972 5229744 5248971 5320224 5338697 5470192 5632032 5652738 5665556 5763576 5791968 5890976 5998824 6101368 6153966 6460272 6570704 6627348 6757296 6864039 6957216 6998628 7033104 7179627 7392042 7536984 7574112 7684768 7844616 7998432 8165066 8205288 8448048 8498334 8645364 8836464 9152052 9331504 9572836 9856056 9880416 9914723 10049312 10135944 10459488 10497942 10677394 10940384 11305476 11331112 11527152 11997648 12202736 12247599 12307932 12747501 12920544 13141408 13254696 13514592 13728078 13997256 14066208 14359254 14784084 15073968 15689232 16016091 16330132 16410576 16896096 16996668 17290728 17672928 18304104 18663008 19145672 19712112 19829446 20271888 20995884 21354788 21538881 22610952 22662224 23054304 23995296 24405472 24495198 24615864 25495002 26509392 27456156 27994512 28718508 29568168 29744169 30147936 31378464 32032182 32660264 32821152 33993336 34581456 36608208 36742797 38291344 39424224 39658892 40543776 41991768 42709576 43077762 45221904 45324448 48048273 48990396 49231728 50990004 53018784 54912312 55989024 57437016 59136336 59488338 64064364 65320528 67986672 69162912 69403061 73216416 73485594 76582688 79317784 83983536 85419152 86155524 89232507 90443808 96096546 97980792 98463456 101980008 109824624 114874032 118272672 118976676 128128728 130641056 135973344 138806122 146971188 158635568 167967072 170838304 172311048 178465014 192193092 195961584 203960016 208209183 219649248 229748064 237953352 256257456 277612244 293942376 317271136 344622096 356930028 384386184 391923168 407920032 416418366 475906704 512514912 555224488 587884752 624627549 689244192 713860056 768772368 832836732 951813408 1110448976 1175769504 1249255098 1427720112 1537544736 1665673464 2220897952 2498510196 2855440224 3331346928 4997020392 6662693856 9994040784 19988081568
• Sum of all divisors σ(n): 78680928690
• Sum of proper divisors (its aliquot sum) s(n): 58692847122
• 19988081568 is an abundant number, because the sum of its proper divisors (58692847122) is greater than itself. Its abundance is 38704765554

Bases of 19988081568

• Binary: 10010100111011000011110101110100000₂
• Hexadecimal: 0x4A761EBA0
• Base-36: 96KDYG0

Squares and roots of 19988081568

• 19988081568 squared (19988081568²) is 399523404769021338624
• 19988081568 cubed (19988081568³) is 7985706402848278715949060882432
• The square root of 19988081568 is 141379.2119372575
• The cube root of 19988081568 is 2713.8783160907

Scales and comparisons

• 19,988,081,568 seconds is equal to 635 years, 29 weeks, 12 hours, 52 minutes, 48 seconds.
• To count from 1 to 19,988,081,568 would take you about one thousand, two hundred seventy-one 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 19988081568 cubic inches would be around 226.2 feet tall.

Recreational maths with 19988081568

• 19988081568 backwards is 86518088991
• 19988081568 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19988081568's digits is 63
• More coming soon!