9990426656768

Names of 9990426656768

• Cardinal: 9990426656768 can be written as Nine trillion, nine hundred ninety billion, four hundred twenty-six million, six hundred fifty-six thousand, seven hundred sixty-eight.

Scientific notation

• Scientific notation: 9.990426656768 × 10¹²

Factors of 9990426656768

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 20
• Sum of prime factors: 397

Divisors of 9990426656768

• Number of divisors d(n): 204
• Complete list of divisors:
  1 2 4 8 16 32 37 41 64 74 82 128 148 164 256 296 317 328 512 592 634 656 1024 1184 1268 1312 1517 2048 2368 2536 2624 3034 4096 4736 5072 5248 6068 8192 9472 10144 10496 11729 12136 12997 16384 18944 20288 20992 23458 24272 25994 32768 37888 40576 41984 46916 48544 51988 65536 75776 81152 83968 93832 97088 100489 103976 151552 162304 167936 187664 194176 200978 207952 303104 324608 335872 375328 388352 401956 415904 480889 606208 649216 671744 750656 776704 803912 831808 961778 1212416 1298432 1343488 1501312 1553408 1607824 1663616 1923556 2424832 2596864 2686976 3002624 3106816 3215648 3327232 3718093 3847112 4120049 5193728 6005248 6213632 6431296 6654464 7436186 7694224 8240098 10387456 12010496 12427264 12862592 13308928 14872372 15388448 16480196 20774912 24020992 24854528 25725184 26617856 29744744 30776896 32960392 48041984 49709056 51450368 53235712 59489488 61553792 65920784 96083968 99418112 102900736 106471424 118978976 123107584 131841568 152441813 192167936 205801472 212942848 237957952 246215168 263683136 304883626 384335872 411602944 425885696 475915904 492430336 527366272 609767252 768671744 823205888 851771392 951831808 984860672 1054732544 1219534504 1646411776 1903663616 1969721344 2109465088 2439069008 3292823552 3807327232 3939442688 4218930176 4878138016 6585647104 7614654464 7878885376 8437860352 9756276032 15229308928 15757770752 16875720704 19512552064 30458617856 31515541504 33751441408 39025104128 60917235712 67502882816 78050208256 121834471424 135005765632 156100416512 243668942848 270011531264 312200833024 624401666048 1248803332096 2497606664192 4995213328384 9990426656768
• Sum of all divisors σ(n): 21087747378012
• Sum of proper divisors (its aliquot sum) s(n): 11097320721244
• 9990426656768 is an abundant number, because the sum of its proper divisors (11097320721244) is greater than itself. Its abundance is 1106894064476

Bases of 9990426656768

• Binary: 10010001011000010011110101010000000000000000₂
• Hexadecimal: 0x91613D50000
• Base-36: 3JHJE33SW

Squares and roots of 9990426656768

• 9990426656768 squared (9990426656768²) is 99808624784260637680205824
• 9990426656768 cubed (9990426656768³) is 997130745620032747766198437394442616832
• The square root of 9990426656768 is 3160763.6192489941
• The cube root of 9990426656768 is 21537.4696576587

Scales and comparisons

• 9,990,426,656,768 seconds is equal to 317,664 years, 34 weeks, 4 days, 3 hours, 46 minutes, 8 seconds.
• To count from 1 to 9,990,426,656,768 would take you about seven hundred ninety-four thousand, one hundred sixty-one 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 9990426656768 cubic inches would be around 1794.8 feet tall.

Recreational maths with 9990426656768

• 9990426656768 backwards is 8676566240999
• The number of decimal digits it has is: 13
• The sum of 9990426656768's digits is 77
• More coming soon!