400090987898

Names of 400090987898

• Cardinal: 400090987898 can be written as Four hundred billion, ninety million, nine hundred eighty-seven thousand, eight hundred ninety-eight.

Scientific notation

• Scientific notation: 4.00090987898 × 10¹¹

Factors of 400090987898

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 205

Divisors of 400090987898

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 7 14 17 29 34 41 49 58 82 98 109 119 203 218 238 287 289 406 493 574 578 697 763 833 986 1189 1394 1421 1526 1666 1853 2009 2023 2378 2842 3161 3451 3706 4018 4046 4469 4879 5341 6322 6902 8323 8381 8938 9758 10682 11849 11881 12971 14161 16646 16762 20213 22127 23698 23762 24157 25942 28322 31283 31501 34153 40426 44254 48314 53737 58261 58667 62566 63002 68306 75973 82943 83167 90797 107474 116522 117334 129601 141491 151946 154889 165886 166334 181594 201977 218981 220507 259202 282982 309778 343621 344549 376159 403954 410669 437962 441014 487121 531811 580601 582169 687242 689098 752318 821338 907207 913529 974242 990437 1063622 1161202 1164338 1291541 1413839 1543549 1814414 1827058 1980874 2203217 2405347 2411843 2583082 2633113 2827678 3087098 3409847 3433609 3722677 4406434 4810694 4823686 5266226 5857333 6350449 6394703 6819694 6867218 7445354 8281057 9040787 9896873 11714666 12700898 12789406 14126509 15422519 16562114 16837429 16882901 18081574 19793746 23868929 24035263 28253018 30845038 33674858 33765802 37454689 41001331 44762921 47737858 48070526 57967399 63285509 74909378 82002662 89525842 98885563 99574661 107957633 115934798 126571018 140777969 168246841 197771126 199149322 215915266 240150653 262182823 281555938 287009317 336493682 405771793 480301306 524365646 574018634 692198941 697022627 811543586 985445783 1384397882 1394045254 1681054571 1835279761 1970891566 3362109142 3670559522 4082561101 4879158389 6898120481 8165122202 9758316778 11767381997 13796240962 23534763994 28577927707 57155855414 200045493949 400090987898
• Sum of all divisors σ(n): 793159324020
• Sum of proper divisors (its aliquot sum) s(n): 393068336122
• 400090987898 is a deficient number, because the sum of its proper divisors (393068336122) is less than itself. Its deficiency is 7022651776

Bases of 400090987898

• Binary: 101110100100111010001111111110101111010₂
• Hexadecimal: 0x5D2747FD7A
• Base-36: 53SRUE0Q

Squares and roots of 400090987898

• 400090987898 squared (400090987898²) is 160072798597197582458404
• 400090987898 cubed (400090987898³) is 64043684126350369340080171852394792
• The square root of 400090987898 is 632527.4601928363
• The cube root of 400090987898 is 7368.6216253963

Scales and comparisons

• 400,090,987,898 seconds is equal to 12,721 years, 34 weeks, 17 hours, 31 minutes, 38 seconds.
• To count from 1 to 400,090,987,898 would take you about twenty-five thousand, four hundred forty-three 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 400090987898 cubic inches would be around 614.1 feet tall.

Recreational maths with 400090987898

• 400090987898 backwards is 898789090004
• The number of decimal digits it has is: 12
• The sum of 400090987898's digits is 62
• More coming soon!