991423461000

Names of 991423461000

• Cardinal: 991423461000 can be written as Nine hundred ninety-one billion, four hundred twenty-three million, four hundred sixty-one thousand.

Scientific notation

• Scientific notation: 9.91423461 × 10¹¹

Factors of 991423461000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 6888

Divisors of 991423461000

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 14 15 20 21 24 25 28 30 35 40 42 50 56 60 70 75 84 100 105 120 125 140 150 168 175 200 210 250 280 300 350 375 420 500 525 600 700 750 840 875 1000 1050 1400 1500 1750 2100 2625 3000 3500 4200 5250 6871 7000 10500 13742 20613 21000 27484 34355 41226 48097 54968 68710 82452 96194 103065 137420 144291 164904 171775 192388 206130 240485 274840 288582 343550 384776 412260 480970 515325 577164 687100 721455 824520 858875 961940 1030650 1154328 1202425 1374200 1442910 1717750 1923880 2061300 2404850 2576625 2885820 3435500 3607275 4122600 4809700 5153250 5771640 6012125 6871000 7214550 9619400 10306500 12024250 14429100 18036375 20613000 24048500 28858200 36072750 47210641 48097000 72145500 94421282 141631923 144291000 188842564 236053205 283263846 330474487 377685128 472106410 566527692 660948974 708159615 944212820 991423461 1133055384 1180266025 1321897948 1416319230 1652372435 1888425640 1982846922 2360532050 2643795896 2832638460 3304744870 3540798075 3965693844 4721064100 4957117305 5665276920 5901330125 6609489740 7081596150 7931387688 8261862175 9442128200 9914234610 11802660250 13218979480 14163192300 16523724350 17703990375 19828469220 23605320500 24785586525 28326384600 33047448700 35407980750 39656938440 41309310875 47210641000 49571173050 66094897400 70815961500 82618621750 99142346100 123927932625 141631923000 165237243500 198284692200 247855865250 330474487000 495711730500 991423461000
• Sum of all divisors σ(n): 3535647373440
• Sum of proper divisors (its aliquot sum) s(n): 2544223912440
• 991423461000 is an abundant number, because the sum of its proper divisors (2544223912440) is greater than itself. Its abundance is 1552800451440

Bases of 991423461000

• Binary: 1110011011010101011100010111011010001000₂
• Hexadecimal: 0xE6D5717688
• Base-36: CNGBXIFC

Squares and roots of 991423461000

• 991423461000 squared (991423461000²) is 982920479021218521000000
• 991423461000 cubed (991423461000³) is 974490423198994358527121181000000000
• The square root of 991423461000 is 995702.4962306763
• The cube root of 991423461000 is 9971.3294149797

Scales and comparisons

• 991,423,461,000 seconds is equal to 31,524 years, 10 weeks, 2 days, 13 hours, 50 minutes.
• To count from 1 to 991,423,461,000 would take you about sixty-three thousand and forty-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 991423461000 cubic inches would be around 830.9 feet tall.

Recreational maths with 991423461000

• 991423461000 backwards is 000164324199
• The number of decimal digits it has is: 12
• The sum of 991423461000's digits is 39
• More coming soon!