813838014990

Names of 813838014990

• Cardinal: 813838014990 can be written as Eight hundred thirteen billion, eight hundred thirty-eight million, fourteen thousand, nine hundred ninety.

Scientific notation

• Scientific notation: 8.1383801499 × 10¹¹

Factors of 813838014990

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 9033652

Divisors of 813838014990

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 9 10 11 13 14 15 18 21 22 26 30 33 35 39 42 45 55 63 65 66 70 77 78 90 91 99 105 110 117 126 130 143 154 165 182 195 198 210 231 234 273 286 315 330 385 390 429 455 462 495 546 585 630 693 715 770 819 858 910 990 1001 1155 1170 1287 1365 1386 1430 1638 2002 2145 2310 2574 2730 3003 3465 4095 4290 5005 6006 6435 6930 8190 9009 10010 12870 15015 18018 30030 45045 90090 9033611 18067222 27100833 45168055 54201666 63235277 81302499 90336110 99369721 117436943 126470554 135504165 162604998 189705831 198739442 234873886 271008330 298109163 316176385 352310829 379411662 406512495 496848605 569117493 587184715 596218326 632352770 695588047 704621658 813024990 822058601 894327489 948529155 993697210 1056932487 1138234986 1174369430 1291806373 1391176094 1490545815 1644117202 1761554145 1788654978 1897058310 2086764141 2113864974 2466175803 2583612746 2845587465 2981091630 3477940235 3523108290 3875419119 4110293005 4173528282 4471637445 4932351606 5284662435 5691174930 6260292423 6459031865 6955880470 7398527409 7750838238 8220586010 8943274890 9042644611 10433820705 10569324870 11626257357 12330879015 12520584846 12918063730 14797054818 18085289222 19377095595 20867641410 23252514714 24661758030 27127933833 31301462115 36992637045 38754191190 45213223055 54255867666 58131286785 62602924230 73985274090 81383801499 90426446110 116262573570 135639669165 162767602998 271279338330 406919007495 813838014990
• Sum of all divisors σ(n): 2841034839552
• Sum of proper divisors (its aliquot sum) s(n): 2027196824562
• 813838014990 is an abundant number, because the sum of its proper divisors (2027196824562) is greater than itself. Its abundance is 1213358809572

Bases of 813838014990

• Binary: 1011110101111100100001101001101000001110₂
• Hexadecimal: 0xBD7C869A0E
• Base-36: ADVE53BI

Squares and roots of 813838014990

• 813838014990 squared (813838014990²) is 662332314642863464700100
• 813838014990 cubed (813838014990³) is 539031216212680112881123319654499000
• The square root of 813838014990 is 902129.7107345485
• The cube root of 813838014990 is 9336.3972940383

Scales and comparisons

• 813,838,014,990 seconds is equal to 25,877 years, 27 weeks, 4 days, 11 hours, 16 minutes, 30 seconds.
• To count from 1 to 813,838,014,990 would take you about fifty-one thousand, seven hundred fifty-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 813838014990 cubic inches would be around 778 feet tall.

Recreational maths with 813838014990

• 813838014990 backwards is 099410838318
• The number of decimal digits it has is: 12
• The sum of 813838014990's digits is 54
• More coming soon!