21231400100009040

Names of 21231400100009040

• Cardinal: 21231400100009040 can be written as Twenty-one quadrillion, two hundred thirty-one trillion, four hundred billion, one hundred million, nine thousand and forty.

Scientific notation

• Scientific notation: 2.123140010000904 × 10¹⁶

Factors of 21231400100009040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 951227603088

Divisors of 21231400100009040

• Number of divisors d(n): 120
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 30 31 36 40 45 48 60 62 72 80 90 93 120 124 144 155 180 186 240 248 279 310 360 372 465 496 558 620 720 744 930 1116 1240 1395 1488 1860 2232 2480 2790 3720 4464 5580 7440 11160 22320 951227603047 1902455206094 2853682809141 3804910412188 4756138015235 5707365618282 7609820824376 8561048427423 9512276030470 11414731236564 14268414045705 15219641648752 17122096854846 19024552060940 22829462473128 28536828091410 29488055694457 34244193709692 38049104121880 42805242137115 45658924946256 57073656182820 58976111388914 68488387419384 76098208243760 85610484274230 88464167083371 114147312365640 117952222777828 136976774838768 147440278472285 171220968548460 176928334166742 228294624731280 235904445555656 265392501250113 294880556944570 342441937096920 353856668333484 442320835416855 471808891111312 530785002500226 589761113889140 684883874193840 707713336666968 884641670833710 1061570005000452 1179522227778280 1326962506250565 1415426673333936 1769283341667420 2123140010000904 2359044455556560 2653925012501130 3538566683334840 4246280020001808 5307850025002260 7077133366669680 10615700050004520 21231400100009040
• Sum of all divisors σ(n): 73602187013442048
• Sum of proper divisors (its aliquot sum) s(n): 52370786913433008
• 21231400100009040 is an abundant number, because the sum of its proper divisors (52370786913433008) is greater than itself. Its abundance is 31139386813423968

Bases of 21231400100009040

• Binary: 1001011011011011101100010001101000010111001010001010000₂
• Hexadecimal: 0x4B6DD88D0B9450
• Base-36: 5T1WIK11F80

Squares and roots of 21231400100009040

• 21231400100009040 squared (21231400100009040²) is 450772350206663873713808081721600
• 21231400100009040 cubed (21231400100009040³) is 9570528121259073371079600519063159237218763264000
• The square root of 21231400100009040 is 145709986.2741364751
• The cube root of 21231400100009040 is 276902.0758443025

Scales and comparisons

• 21,231,400,100,009,040 seconds is equal to 675,092,850 years, 7 weeks, 4 days, 19 hours, 24 minutes.
• To count from 1 to 21,231,400,100,009,040 would take you about two billion, twenty-five million, two hundred seventy-eight thousand, five hundred fifty 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 21231400100009040 cubic inches would be around 23075.2 feet tall.

Recreational maths with 21231400100009040

• 21231400100009040 backwards is 04090000100413212
• The number of decimal digits it has is: 17
• The sum of 21231400100009040's digits is 27
• More coming soon!