9971389191990

Names of 9971389191990

• Cardinal: 9971389191990 can be written as Nine trillion, nine hundred seventy-one billion, three hundred eighty-nine million, one hundred ninety-one thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 9.97138919199 × 10¹²

Factors of 9971389191990

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 1715

Divisors of 9971389191990

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 5 6 10 15 30 61 113 122 157 183 226 281 305 314 339 366 471 562 565 610 678 785 843 915 942 1093 1130 1405 1570 1686 1695 1830 2186 2355 2810 3279 3390 4215 4710 5465 6558 6893 8430 9577 10930 13786 16395 17141 17741 19154 20679 28731 31753 32790 34282 34465 35482 41358 44117 47885 51423 53223 57462 63506 66673 68930 85705 88234 88705 95259 95770 102846 103395 106446 123509 132351 133346 143655 158765 171410 171601 177410 190518 200019 206790 220585 247018 257115 264702 266115 287310 307133 317530 333365 343202 370527 400038 441170 476295 514230 514803 532230 614266 617545 661755 666730 741054 858005 921399 952590 1000095 1029606 1082201 1235090 1323510 1535665 1716010 1842798 1852635 1936933 2000190 2164402 2574015 2691137 3071330 3246603 3705270 3873866 4606995 4985221 5148030 5382274 5411005 5810799 6493206 7534049 8073411 9213990 9684665 9970442 10467661 10822010 11621598 13455685 14955663 15068098 16146822 16233015 18735113 19369330 19390913 20935322 22602147 24926105 26911370 29053995 29911326 31402983 32466030 34706029 37470226 37670245 38781826 40367055 45204294 48219881 49852210 52338305 56205339 58107990 58172739 62805966 69412058 74778315 75340490 80734110 93675565 96439762 96954565 104118087 104676610 112410678 113010735 116345478 144659643 149556630 157014915 173530145 187351130 193909130 208236174 226021470 241099405 281026695 289319286 290863695 304098481 314029830 347060290 482198810 520590435 562053390 581727390 608196962 723298215 912295443 1041180870 1182845693 1446596430 1520492405 1824590886 2117067769 2365691386 2941412741 3040984810 3548537079 4234135538 4561477215 5448846553 5882825482 5914228465 6351203307 7097074158 8824238223 9122954430 10585338845 10897693106 11828456930 12702406614 14707063705 16346539659 17648476446 17742685395 21170677690 27244232765 29414127410 31756016535 32693079318 35485370790 44121191115 54488465530 63512033070 81732698295 88242382230 163465396590 332379639733 664759279466 997138919199 1661898198665 1994277838398 3323796397330 4985694595995 9971389191990
• Sum of all divisors σ(n): 24805760972544
• Sum of proper divisors (its aliquot sum) s(n): 14834371780554
• 9971389191990 is an abundant number, because the sum of its proper divisors (14834371780554) is greater than itself. Its abundance is 4862982588564

Bases of 9971389191990

• Binary: 10010001000110100101000111000101011100110110₂
• Hexadecimal: 0x911A51C5736
• Base-36: 3J8SJO5YU

Squares and roots of 9971389191990

• 9971389191990 squared (9971389191990²) is 99428602418134985080160100
• 9971389191990 cubed (9971389191990³) is 991441291526861969001208324918837599000
• The square root of 9971389191990 is 3157750.6538658177
• The cube root of 9971389191990 is 21523.7805680889

Scales and comparisons

• 9,971,389,191,990 seconds is equal to 317,059 years, 17 weeks, 2 days, 3 hours, 6 minutes, 30 seconds.
• To count from 1 to 9,971,389,191,990 would take you about seven hundred ninety-two thousand, six hundred forty-eight 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 9971389191990 cubic inches would be around 1793.6 feet tall.

Recreational maths with 9971389191990

• 9971389191990 backwards is 0991919831799
• The number of decimal digits it has is: 13
• The sum of 9971389191990's digits is 75
• More coming soon!