640090840950

Names of 640090840950

• Cardinal: 640090840950 can be written as Six hundred forty billion, ninety million, eight hundred forty thousand, nine hundred fifty.

Scientific notation

• Scientific notation: 6.4009084095 × 10¹¹

Factors of 640090840950

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 35241

Divisors of 640090840950

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 5 6 9 10 11 15 18 22 25 30 33 45 50 55 66 75 90 99 110 121 150 165 198 225 242 275 330 337 363 450 495 550 605 674 726 825 990 1011 1089 1210 1650 1685 1815 2022 2178 2475 3025 3033 3370 3630 3707 4950 5055 5445 6050 6066 7414 8425 9075 10110 10890 11121 15165 16850 18150 18535 22242 25275 27225 30330 33363 34883 37070 40777 50550 54450 55605 66726 69766 75825 81554 92675 104649 111210 122331 151650 166815 174415 185350 203885 209298 244662 278025 313947 333630 348830 366993 383713 407770 523245 556050 611655 627894 733986 767426 834075 872075 1019425 1046490 1151139 1223310 1569735 1668150 1744150 1834965 1918565 2038850 2302278 2616225 3058275 3139470 3453417 3669930 3837130 4220843 5232450 5755695 6116550 6906834 7848675 8441686 9174825 9592825 11511390 11755571 12662529 15697350 17267085 18349650 19185650 21104215 23511142 25325058 28778475 34534170 35266713 37987587 42208430 57556950 58777855 63312645 70533426 75975174 86335425 105521075 105800139 117555710 126625290 129311281 172670850 176333565 189937935 211042150 211600278 258622562 293889275 316563225 352667130 379875870 387933843 529000695 587778550 633126450 646556405 775867686 881667825 949689675 1058001390 1163801529 1293112810 1422424091 1763335650 1899379350 1939669215 2327603058 2645003475 2844848182 3232782025 3879338430 4267272273 5290006950 5819007645 6465564050 7112120455 8534544546 9698346075 11638015290 12801816819 14224240910 19396692150 21336361365 25603633638 29095038225 35560602275 42672722730 58190076450 64009084095 71121204550 106681806825 128018168190 213363613650 320045420475 640090840950
• Sum of all divisors σ(n): 1895923981224
• Sum of proper divisors (its aliquot sum) s(n): 1255833140274
• 640090840950 is an abundant number, because the sum of its proper divisors (1255833140274) is greater than itself. Its abundance is 615742299324

Bases of 640090840950

• Binary: 1001010100001000011000110001111101110110₂
• Hexadecimal: 0x9508631F76
• Base-36: 861XK5TI

Squares and roots of 640090840950

• 640090840950 squared (640090840950²) is 409716284668078196902500
• 640090840950 cubed (640090840950³) is 262255641204099764675680910157375000
• The square root of 640090840950 is 800056.7735792255
• The cube root of 640090840950 is 8618.1464718673

Scales and comparisons

• 640,090,840,950 seconds is equal to 20,352 years, 47 weeks, 1 day, 19 hours, 22 minutes, 30 seconds.
• To count from 1 to 640,090,840,950 would take you about forty thousand, seven hundred five 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 640090840950 cubic inches would be around 718.2 feet tall.

Recreational maths with 640090840950

• 640090840950 backwards is 059048090046
• 640090840950 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 640090840950's digits is 45
• More coming soon!