813132740

Names of 813132740

• Cardinal: 813132740 can be written as Eight hundred thirteen million, one hundred thirty-two thousand, seven hundred forty.

Scientific notation

• Scientific notation: 8.1313274 × 10⁸

Factors of 813132740

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 272

Divisors of 813132740

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 4 5 7 10 14 19 20 28 29 35 38 58 70 76 83 95 116 127 133 140 145 166 190 203 254 266 290 332 380 406 415 508 532 551 580 581 635 665 812 830 889 1015 1102 1162 1270 1330 1577 1660 1778 2030 2204 2324 2407 2413 2540 2660 2755 2905 3154 3556 3683 3857 4060 4445 4814 4826 5510 5810 6308 7366 7714 7885 8890 9628 9652 10541 11020 11039 11620 12035 12065 14732 15428 15770 16849 16891 17780 18415 19285 21082 22078 24070 24130 25781 31540 33698 33782 36830 38570 42164 44156 45733 48140 48260 51562 52705 55195 67396 67564 69977 73660 73787 77140 84245 84455 91466 103124 105410 110390 128905 139954 147574 168490 168910 182932 200279 210820 220780 228665 257810 279908 295148 305689 320131 336980 337820 349885 368935 400558 457330 489839 515620 611378 640262 699770 737870 801116 914660 979678 1001395 1222756 1280524 1399540 1401953 1475740 1528445 1600655 1959356 2002790 2139823 2449195 2803906 3056890 3201310 4005580 4279646 4898390 5607812 5808091 6113780 6402620 7009765 8559292 9796780 10699115 11616182 14019530 21398230 23232364 28039060 29040455 40656637 42796460 58080910 81313274 116161820 162626548 203283185 406566370 813132740
• Sum of all divisors σ(n): 2167603200
• Sum of proper divisors (its aliquot sum) s(n): 1354470460
• 813132740 is an abundant number, because the sum of its proper divisors (1354470460) is greater than itself. Its abundance is 541337720

Bases of 813132740

• Binary: 110000011101110110101111000100₂
• Hexadecimal: 0x30776BC4
• Base-36: DG498K

Squares and roots of 813132740

• 813132740 squared (813132740²) is 661184852859907600
• 813132740 cubed (813132740³) is 537631051052473502934824000
• The square root of 813132740 is 28515.4824612875
• The cube root of 813132740 is 933.3699529281

Scales and comparisons

• 813,132,740 seconds is equal to 25 years, 44 weeks, 3 days, 6 hours, 12 minutes, 20 seconds.
• To count from 1 to 813,132,740 would take you about thirty-eight 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 813132740 cubic inches would be around 77.8 feet tall.

Recreational maths with 813132740

• 813132740 backwards is 047231318
• 813132740 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 813132740's digits is 29
• More coming soon!