820385508012

Names of 820385508012

• Cardinal: 820385508012 can be written as Eight hundred twenty billion, three hundred eighty-five million, five hundred eight thousand and twelve.

Scientific notation

• Scientific notation: 8.20385508012 × 10¹¹

Factors of 820385508012

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 4645

Divisors of 820385508012

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 7 12 14 21 28 42 49 73 84 98 146 147 196 219 292 294 343 438 511 588 686 709 876 1022 1029 1372 1418 1533 2044 2058 2127 2836 3066 3577 3851 4116 4254 4963 6132 7154 7702 8508 9926 10731 11553 14308 14889 15404 19852 21462 23106 25039 26957 29778 34741 42924 46212 50078 51757 53914 59556 69482 75117 80871 100156 103514 104223 107828 138964 150234 155271 161742 188699 207028 208446 243187 281123 300468 310542 323484 362299 377398 416892 486374 562246 566097 621084 724598 729561 754796 843369 972748 1086897 1124492 1132194 1320893 1449196 1459122 1686738 1967861 2173794 2264388 2536093 2641786 2730359 2918244 3373476 3935722 3962679 4347588 5072186 5283572 5460718 5903583 7608279 7871444 7925358 8191077 10144372 10921436 11807166 13775027 15216558 15850716 16382154 17752651 19112513 23614332 27550054 30433116 32764308 35505302 38225026 41325081 53257953 55100108 57337539 71010604 76450052 82650162 96425189 106515906 114675078 133787591 165300324 192850378 199316207 213031812 229350156 267575182 289275567 385700756 398632414 401362773 535150364 578551134 597948621 797264828 802725546 936513137 1157102268 1195897242 1395213449 1605451092 1873026274 2391794484 2790426898 2809539411 3746052548 4185640347 5580853796 5619078822 8371280694 9766494143 11238157644 16742561388 19532988286 29299482429 39065976572 58598964858 68365459001 117197929716 136730918002 205096377003 273461836004 410192754006 820385508012
• Sum of all divisors σ(n): 2266701696000
• Sum of proper divisors (its aliquot sum) s(n): 1446316187988
• 820385508012 is an abundant number, because the sum of its proper divisors (1446316187988) is greater than itself. Its abundance is 625930679976

Bases of 820385508012

• Binary: 1011111100000010110010010110101010101100₂
• Hexadecimal: 0xBF02C96AAC
• Base-36: AGVOCL9O

Squares and roots of 820385508012

• 820385508012 squared (820385508012²) is 673032381756107316192144
• 820385508012 cubed (820385508012³) is 552146012415510421277881968843457728
• The square root of 820385508012 is 905751.3499918175
• The cube root of 820385508012 is 9361.3681888945

Scales and comparisons

• 820,385,508,012 seconds is equal to 26,085 years, 37 weeks, 3 days, 15 hours, 20 minutes, 12 seconds.
• To count from 1 to 820,385,508,012 would take you about fifty-two thousand, one hundred seventy-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 820385508012 cubic inches would be around 780.1 feet tall.

Recreational maths with 820385508012

• 820385508012 backwards is 210805583028
• 820385508012 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 820385508012's digits is 42
• More coming soon!