31389320857140

Names of 31389320857140

• Cardinal: 31389320857140 can be written as Thirty-one trillion, three hundred eighty-nine billion, three hundred twenty million, eight hundred fifty-seven thousand, one hundred forty.

Scientific notation

• Scientific notation: 3.138932085714 × 10¹³

Factors of 31389320857140

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 162065

Divisors of 31389320857140

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 30 36 43 45 60 86 90 129 172 180 215 258 387 430 516 645 774 860 1290 1548 1935 2580 3870 7740 30941 61882 92823 123764 131071 154705 185646 262142 278469 309410 371292 393213 464115 524284 556938 618820 655355 786426 928230 1113876 1179639 1310710 1330463 1392345 1572852 1856460 1966065 2359278 2621420 2660926 2784690 3932130 3991389 4718556 5321852 5569380 5636053 5898195 6652315 7864260 7982778 11272106 11796390 11974167 13304630 15965556 16908159 19956945 22544212 23592780 23948334 26609260 28180265 33816318 39913890 47896668 50724477 56360530 59870835 67632636 79827780 84540795 101448954 112721060 119741670 169081590 202897908 239483340 253622385 338163180 507244770 1014489540 4055467811 8110935622 12166403433 16221871244 20277339055 24332806866 36499210299 40554678110 48665613732 60832017165 72998420598 81109356220 121664034330 145996841196 174385115873 182496051495 243328068660 348770231746 364992102990 523155347619 697540463492 729984205980 871925579365 1046310695238 1569466042857 1743851158730 2092621390476 2615776738095 3138932085714 3487702317460 5231553476190 6277864171428 7847330214285 10463106952380 15694660428570 31389320857140
• Sum of all divisors σ(n): 97432450891776
• Sum of proper divisors (its aliquot sum) s(n): 66043130034636
• 31389320857140 is an abundant number, because the sum of its proper divisors (66043130034636) is greater than itself. Its abundance is 34653809177496

Bases of 31389320857140

• Binary: 111001000110001100101010100011100011000110100₂
• Hexadecimal: 0x1C8C6551C634
• Base-36: B4K1Z6UD0

Squares and roots of 31389320857140

• 31389320857140 squared (31389320857140²) is 985289463872484224288979600
• 31389320857140 cubed (31389320857140³) is 30927567118652857574819681144927974344000
• The square root of 31389320857140 is 5602617.3220326227
• The cube root of 31389320857140 is 31544.7657318201

Scales and comparisons

• 31,389,320,857,140 seconds is equal to 998,083 years, 16 weeks, 17 hours, 39 minutes.
• To count from 1 to 31,389,320,857,140 would take you about two million, four hundred ninety-five thousand, two hundred 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 31389320857140 cubic inches would be around 2628.7 feet tall.

Recreational maths with 31389320857140

• 31389320857140 backwards is 04175802398313
• The number of decimal digits it has is: 14
• The sum of 31389320857140's digits is 54
• More coming soon!