2128731401790

Names of 2128731401790

• Cardinal: 2128731401790 can be written as Two trillion, one hundred twenty-eight billion, seven hundred thirty-one million, four hundred one thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 2.12873140179 × 10¹²

Factors of 2128731401790

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 3152

Divisors of 2128731401790

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 27 30 35 42 45 53 54 63 70 81 90 105 106 126 135 159 162 189 210 243 265 270 281 315 318 371 378 405 477 486 530 562 567 630 729 742 795 810 843 945 954 1113 1134 1215 1405 1431 1458 1590 1686 1701 1855 1890 1967 2226 2385 2430 2529 2801 2810 2835 2862 3339 3402 3645 3710 3934 4215 4293 4770 5058 5103 5565 5602 5670 5901 6678 7155 7290 7587 8403 8430 8505 8586 9835 10017 10206 11130 11802 12645 12879 14005 14310 14893 15174 16695 16806 17010 17703 19607 19670 20034 21465 22761 25209 25290 25515 25758 28010 29505 29786 30051 33390 35406 37935 38637 39214 42015 42930 44679 45522 50085 50418 51030 53109 58821 59010 60102 64395 68283 74465 75627 75870 77274 84030 88515 89358 90153 98035 100170 104251 106218 113805 117642 126045 128790 134037 136566 148453 148930 150255 151254 159327 176463 177030 180306 193185 196070 204849 208502 223395 226881 227610 252090 265545 268074 270459 294105 296906 300510 312753 318654 341415 352926 378135 386370 402111 409698 445359 446790 450765 453762 477981 521255 529389 531090 540918 588210 625506 670185 680643 682830 742265 756270 787081 796635 804222 882315 890718 901530 938259 955962 1024245 1039171 1042510 1058778 1134405 1206333 1336077 1340370 1352295 1361286 1433943 1484530 1563765 1574162 1588167 1593270 1764630 1876518 2010555 2041929 2048490 2078342 2226795 2268810 2361243 2389905 2412666 2646945 2672154 2704590 2814777 2867886 3117513 3127530 3176334 3403215 3618999 3935405 4008231 4021110 4083858 4453590 4691295 4722486 4764501 4779810 5195855 5293890 5509567 5629554 6031665 6235026 6680385 6806430 7083729 7169715 7237998 7870810 7940835 8016462 8444331 9352539 9382590 9529002 10209645 10391710 10856997 11019134 11806215 12024693 12063330 13360770 14073885 14167458 14293503 14339430 15587565 15881670 16528701 16888662 18094995 18705078 20041155 20419290 21251187 21713994 23612430 23822505 24049386 25332993 27547835 28057617 28147770 28587006 31175130 33057402 35418645 36074079 36189990 40082310 41715293 42221655 42502374 46762695 47645010 49586103 50665986 54284985 55095670 56115234 60123465 63753561 70837290 71467515 72148158 75998979 82643505 83430586 84172851 84443310 93525390 99172206 106255935 108222237 108569970 120246930 125145879 126664965 127507122 140288085 142935030 148758309 151997958 165287010 168345702 180370395 191260683 208576465 212511870 216444474 247930515 250291758 252518553 253329930 280576170 292007051 297516618 318767805 360740790 375437637 379994895 382521366 417152930 420864255 446274927 495861030 505037106 541111185 573782049 584014102 625729395 637535610 743791545 750875274 757555659 759989790 841728510 876021153 892549854 956303415 1082222370 1126312911 1147564098 1251458790 1262592765 1338824781 1460035255 1487583090 1515111318 1752042306 1877188185 1912606830 2231374635 2252625822 2525185530 2628063459 2677649562 2868910245 2920070510 3378938733 3754376370 3787778295 4016474343 4380105765 4462749270 5256126918 5631564555 5737820490 6694123905 6757877466 7575556590 7884190377 8032948686 8760211530 10136816199 11263129110 13140317295 13388247810 15768380754 16894693665 20082371715 20273632398 23652571131 26280634590 30410448597 33789387330 39420951885 40164743430 47305142262 50684080995 60820897194 70957713393 78841903770 101368161990 118262855655 141915426786 152052242985 212873140179 236525711310 304104485970 354788566965 425746280358 709577133930 1064365700895 2128731401790
• Sum of all divisors σ(n): 6715736583552
• Sum of proper divisors (its aliquot sum) s(n): 4587005181762
• 2128731401790 is an abundant number, because the sum of its proper divisors (4587005181762) is greater than itself. Its abundance is 2458273779972

Bases of 2128731401790

• Binary: 11110111110100010010001110110111000111110₂
• Hexadecimal: 0x1EFA2476E3E
• Base-36: R5XBPPVI

Squares and roots of 2128731401790

• 2128731401790 squared (2128731401790²) is 4531497380966818415204100
• 2128731401790 cubed (2128731401790³) is 9646340771993209030473810041955339000
• The square root of 2128731401790 is 1459017.2726153725
• The cube root of 2128731401790 is 12863.9286390779

Scales and comparisons

• 2,128,731,401,790 seconds is equal to 67,687 years, 3 weeks, 5 days, 22 hours, 16 minutes, 30 seconds.
• To count from 1 to 2,128,731,401,790 would take you about one hundred sixty-nine thousand, two hundred seventeen 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 2128731401790 cubic inches would be around 1072 feet tall.

Recreational maths with 2128731401790

• 2128731401790 backwards is 0971041378212
• 2128731401790 is a Harshad number.
• The number of decimal digits it has is: 13
• The sum of 2128731401790's digits is 45
• More coming soon!