820294920990

Names of 820294920990

• Cardinal: 820294920990 can be written as Eight hundred twenty billion, two hundred ninety-four million, nine hundred twenty thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 8.2029492099 × 10¹¹

Factors of 820294920990

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 79935

Divisors of 820294920990

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 3 5 6 9 10 15 18 27 30 45 54 81 90 97 131 135 162 194 262 270 291 393 405 485 582 655 786 810 873 970 1179 1310 1455 1746 1965 2358 2619 2910 3537 3930 4365 5238 5895 7074 7857 8730 10611 11790 12707 13095 15714 17685 21222 25414 26190 35370 38121 39285 53055 63535 76242 78570 79697 106110 114363 127070 159394 190605 228726 239091 343089 381210 398485 478182 571815 686178 717273 796970 1029267 1143630 1195455 1434546 1715445 2058534 2151819 2390910 3430890 3586365 4303638 5146335 6455457 7172730 7730609 10292670 10440307 10759095 12910914 15461218 20880614 21518190 23191827 31320921 32277285 38653045 46383654 52201535 62641842 64554570 69575481 77306090 93962763 104403070 115959135 139150962 156604605 187925526 208726443 231918270 281888289 313209210 347877405 417452886 469813815 563776578 626179329 695754810 845664867 939627630 1012709779 1043632215 1252358658 1409441445 1691329734 2025419558 2087264430 2818882890 3038129337 3130896645 4228324335 5063548895 6076258674 6261793290 8456648670 9114388011 10127097790 15190646685 18228776022 27343164033 30381293370 45571940055 54686328066 82029492099 91143880110 136715820165 164058984198 273431640330 410147460495 820294920990
• Sum of all divisors σ(n): 2245459908384
• Sum of proper divisors (its aliquot sum) s(n): 1425164987394
• 820294920990 is an abundant number, because the sum of its proper divisors (1425164987394) is greater than itself. Its abundance is 604870066404

Bases of 820294920990

• Binary: 1011111011111101011000110010101100011110₂
• Hexadecimal: 0xBEFD632B1E
• Base-36: AGU6EZVI

Squares and roots of 820294920990

• 820294920990 squared (820294920990²) is 672883757401990342580100
• 820294920990 cubed (820294920990³) is 551963128613519995735486162246299000
• The square root of 820294920990 is 905701.3420493535
• The cube root of 820294920990 is 9361.0236152471

Scales and comparisons

• 820,294,920,990 seconds is equal to 26,082 years, 43 weeks, 5 days, 4 hours, 16 minutes, 30 seconds.
• To count from 1 to 820,294,920,990 would take you about fifty-two thousand, one hundred sixty-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 820294920990 cubic inches would be around 780.1 feet tall.

Recreational maths with 820294920990

• 820294920990 backwards is 099029492028
• 820294920990 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 820294920990's digits is 54
• More coming soon!