81400200990732

Names of 81400200990732

• Cardinal: 81400200990732 can be written as Eighty-one trillion, four hundred billion, two hundred million, nine hundred ninety thousand, seven hundred thirty-two.

Scientific notation

• Scientific notation: 8.1400200990732 × 10¹³

Factors of 81400200990732

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 366

Divisors of 81400200990732

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 3 4 6 9 12 13 18 26 27 36 39 52 54 67 78 81 108 117 134 156 162 169 201 234 268 281 324 338 351 402 468 507 562 603 676 702 804 843 871 1014 1053 1124 1206 1404 1521 1686 1742 1809 2028 2106 2412 2529 2613 3042 3372 3484 3618 3653 4212 4563 5058 5226 5427 6084 7236 7306 7587 7839 9126 10116 10452 10854 10959 11323 13689 14612 15174 15678 18252 18827 21708 21918 22646 22761 23517 27378 30348 31356 32877 33969 37654 43836 45292 45522 47034 47489 54756 56481 65754 67938 70551 75308 78961 91044 94068 94978 98631 101907 112962 131508 135876 141102 142467 157922 169443 189956 197262 203814 225924 236883 244751 282204 284934 295893 305721 315844 338886 394524 407628 427401 473766 489502 508329 569868 591786 611442 677772 710649 734253 854802 917163 947532 979004 1016658 1026493 1183572 1222884 1282203 1421298 1468506 1524987 1709604 1834326 2033316 2052986 2131947 2202759 2564406 2842596 2937012 3049974 3079479 3181763 3668652 3846609 4105972 4263894 4405518 5128812 5290387 6099948 6158958 6363526 6395841 6608277 7693218 8527788 8811036 9238437 9545289 10580774 12317916 12727052 12791682 13216554 13344409 15386436 15871161 18476874 19090578 19824831 21161548 22188041 25583364 26433108 26688818 27715311 28635867 31742322 36953748 38181156 39649662 40033227 44376082 47613483 53377636 55430622 57271734 63484644 66564123 68775031 79299324 80066454 83145933 85907601 88752164 95226966 110861244 114543468 120099681 133128246 137550062 142840449 160132908 166291866 171815202 190453932 199692369 206325093 240199362 257722803 266256492 275100124 285680898 288444533 332583732 343630404 360299043 399384738 412650186 428521347 480398724 515445606 571361796 576889066 599077107 618975279 720598086 798769476 825300372 857042694 865333599 894075403 1030891212 1080897129 1153778132 1198154214 1237950558 1441196172 1486598747 1714085388 1730667198 1788150806 1797231321 1856925837 2161794258 2396308428 2475901116 2596000797 2682226209 2973197494 3461334396 3576301612 3594462642 3713851674 3749778929 4323588516 4459796241 5192001594 5364452418 5570777511 5946394988 7188925284 7427703348 7499557858 7788002391 8046678627 8919592482 10384003188 10728904836 11141555022 11249336787 13379388723 14999115716 15576004782 16093357254 17839184964 19325783711 22283110044 22498673574 23364007173 24140035881 26758777446 31152009564 32186714508 33748010361 38651567422 40138166169 44997347148 46728014346 48280071762 53517554892 57977351133 67496020722 72420107643 77303134844 80276332338 93456028692 96560143524 101244031083 115954702266 120414498507 134992041444 144840215286 160552664676 173932053399 202488062166 231909404532 240828997014 251235188243 289680430572 303732093249 347864106798 404976124332 481657994028 502470376486 521796160197 607464186498 695728213596 753705564729 1004940752972 1043592320394 1214928372996 1507411129458 1565388480591 2087184640788 2261116694187 3014822258916 3130776961182 4522233388374 6261553922364 6783350082561 9044466776748 13566700165122 20350050247683 27133400330244 40700100495366 81400200990732
• Sum of all divisors σ(n): 234698687535312
• Sum of proper divisors (its aliquot sum) s(n): 153298486544580
• 81400200990732 is an abundant number, because the sum of its proper divisors (153298486544580) is greater than itself. Its abundance is 71898285553848

Bases of 81400200990732

• Binary: 10010100000100001110110000100001001000000001100₂
• Hexadecimal: 0x4A087610900C
• Base-36: SUQQHZ8R0

Squares and roots of 81400200990732

• 81400200990732 squared (81400200990732²) is 6625992721331566874349895824
• 81400200990732 cubed (81400200990732³) is 539357139279516830675722302611185789503168
• The square root of 81400200990732 is 9022205.9935878209
• The cube root of 81400200990732 is 43338.6280627603

Scales and comparisons

• 81,400,200,990,732 seconds is equal to 2,588,274 years, 31 weeks, 2 days, 21 hours, 52 minutes, 12 seconds.
• To count from 1 to 81,400,200,990,732 would take you about six million, four hundred seventy thousand, six hundred eighty-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 81400200990732 cubic inches would be around 3611.6 feet tall.

Recreational maths with 81400200990732

• 81400200990732 backwards is 23709900200418
• The number of decimal digits it has is: 14
• The sum of 81400200990732's digits is 45
• More coming soon!