21122500500

Names of 21122500500

• Cardinal: 21122500500 can be written as Twenty-one billion, one hundred twenty-two million, five hundred thousand, five hundred.

Scientific notation

• Scientific notation: 2.11225005 × 10¹⁰

Factors of 21122500500

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 77020

Divisors of 21122500500

• Number of divisors d(n): 144
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 20 25 30 36 45 50 60 61 75 90 100 122 125 150 180 183 225 244 250 300 305 366 375 450 500 549 610 732 750 900 915 1098 1125 1220 1500 1525 1830 2196 2250 2745 3050 3660 4500 4575 5490 6100 7625 9150 10980 13725 15250 18300 22875 27450 30500 45750 54900 68625 76949 91500 137250 153898 230847 274500 307796 384745 461694 692541 769490 923388 1154235 1385082 1538980 1923725 2308470 2770164 3462705 3847450 4616940 4693889 5771175 6925410 7694900 9387778 9618625 11542350 13850820 14081667 17313525 18775556 19237250 23084700 23469445 28163334 28855875 34627050 38474500 42245001 46938890 56326668 57711750 69254100 70408335 84490002 86567625 93877780 115423500 117347225 140816670 168980004 173135250 211225005 234694450 281633340 346270500 352041675 422450010 469388900 586736125 704083350 844900020 1056125025 1173472250 1408166700 1760208375 2112250050 2346944500 3520416750 4224500100 5280625125 7040833500 10561250250 21122500500
• Sum of all divisors σ(n): 67727696400
• Sum of proper divisors (its aliquot sum) s(n): 46605195900
• 21122500500 is an abundant number, because the sum of its proper divisors (46605195900) is greater than itself. Its abundance is 25482695400

Bases of 21122500500

• Binary: 10011101010111111111100011110010100₂
• Hexadecimal: 0x4EAFFC794
• Base-36: 9PBSHP0

Squares and roots of 21122500500

• 21122500500 squared (21122500500²) is 446160027372500250000
• 21122500500 cubed (21122500500³) is 9424015401255650216875125000000
• The square root of 21122500500 is 145335.8197417277
• The cube root of 21122500500 is 2764.2783755357

Scales and comparisons

• 21,122,500,500 seconds is equal to 671 years, 32 weeks, 5 days, 9 hours, 15 minutes.
• To count from 1 to 21,122,500,500 would take you about one thousand, three hundred forty-three 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 21122500500 cubic inches would be around 230.4 feet tall.

Recreational maths with 21122500500

• 21122500500 backwards is 00500522112
• 21122500500 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21122500500's digits is 18
• More coming soon!