1989021216

Names of 1989021216

• Cardinal: 1989021216 can be written as One billion, nine hundred eighty-nine million, twenty-one thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 1.989021216 × 10⁹

Factors of 1989021216

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 328

Divisors of 1989021216

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 12 13 14 16 17 21 24 26 28 32 34 39 42 48 51 52 56 59 68 78 84 91 96 102 104 112 118 119 136 156 168 177 182 204 208 221 224 227 236 238 272 273 312 336 354 357 364 408 413 416 442 454 472 476 544 546 624 663 672 681 708 714 728 767 816 826 884 908 944 952 1003 1092 1239 1248 1326 1362 1416 1428 1456 1534 1547 1589 1632 1652 1768 1816 1888 1904 2006 2184 2301 2478 2652 2724 2832 2856 2912 2951 3009 3068 3094 3178 3304 3536 3632 3808 3859 4012 4368 4602 4641 4767 4956 5304 5369 5448 5664 5712 5902 6018 6136 6188 6356 6608 7021 7072 7264 7718 8024 8736 8853 9204 9282 9534 9912 10608 10738 10896 11424 11577 11804 12036 12272 12376 12712 13039 13216 13393 14042 15436 16048 16107 17706 18408 18564 19068 19824 20657 21063 21216 21476 21792 23154 23608 24072 24544 24752 25424 26078 26786 27013 28084 30872 32096 32214 35412 36816 37128 38136 39117 39648 40179 41314 42126 42952 46308 47216 48144 49504 50167 50848 52156 53572 54026 56168 61744 61971 64428 70824 73632 74256 76272 78234 80358 81039 82628 84252 85904 91273 92616 93751 94432 96288 100334 104312 107144 108052 112336 123488 123942 128856 141648 148512 150501 152544 156468 160716 162078 165256 168504 171808 174109 182546 185232 187502 200668 208624 214288 216104 224672 227681 247884 257712 273819 281253 283296 301002 312936 321432 324156 330512 337008 348218 351169 365092 370464 375004 401336 417248 428576 432208 455362 495768 515424 522327 547638 562506 602004 625872 642864 648312 661024 674016 683043 696436 702338 730184 750008 802672 864416 910724 991536 1044654 1053507 1095276 1125012 1204008 1218763 1251744 1285728 1296624 1366086 1392872 1404676 1460368 1500016 1593767 1605344 1821448 1983072 2089308 2107014 2190552 2250024 2408016 2437526 2593248 2732172 2785744 2809352 2920736 2959853 3000032 3187534 3642896 3656289 4178616 4214028 4381104 4500048 4781301 4816032 4875052 5464344 5571488 5618704 5919706 6375068 7285792 7312578 8357232 8428056 8762208 8879559 9000096 9562602 9750104 10928688 11237408 11839412 12750136 14625156 16714464 16856112 17759118 19125204 19500208 20718971 21857376 23678824 25500272 29250312 33712224 35518236 38250408 39000416 41437942 47357648 51000544 58500624 62156913 71036472 76500816 82875884 94715296 117001248 124313826 142072944 153001632 165751768 248627652 284145888 331503536 497255304 663007072 994510608 1989021216
• Sum of all divisors σ(n): 6949877760
• Sum of proper divisors (its aliquot sum) s(n): 4960856544
• 1989021216 is an abundant number, because the sum of its proper divisors (4960856544) is greater than itself. Its abundance is 2971835328

Bases of 1989021216

• Binary: 1110110100011100000111000100000₂
• Hexadecimal: 0x768E0E20
• Base-36: WW7MLC

Squares and roots of 1989021216

• 1989021216 squared (1989021216²) is 3956205397698118656
• 1989021216 cubed (1989021216³) is 7868976470875275570069405696
• The square root of 1989021216 is 44598.4440984211
• The cube root of 1989021216 is 1257.6114183903

Scales and comparisons

• 1,989,021,216 seconds is equal to 63 years, 12 weeks, 5 days, 1 hour, 53 minutes, 36 seconds.
• To count from 1 to 1,989,021,216 would take you about one hundred twenty-six 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 1989021216 cubic inches would be around 104.8 feet tall.

Recreational maths with 1989021216

• 1989021216 backwards is 6121209891
• 1989021216 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1989021216's digits is 39
• More coming soon!