21150388224

Names of 21150388224

• Cardinal: 21150388224 can be written as Twenty-one billion, one hundred fifty million, three hundred eighty-eight thousand, two hundred twenty-four.

Scientific notation

• Scientific notation: 2.1150388224 × 10¹⁰

Factors of 21150388224

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 1313

Divisors of 21150388224

• Number of divisors d(n): 390
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 27 28 32 36 42 48 49 54 56 63 64 72 81 84 96 98 108 112 126 128 144 147 162 168 189 192 196 216 224 252 256 288 294 324 336 378 384 392 432 441 448 504 512 567 576 588 648 672 756 768 784 864 882 896 1008 1024 1134 1152 1176 1296 1301 1323 1344 1512 1536 1568 1728 1764 1792 2016 2048 2268 2304 2352 2592 2602 2646 2688 3024 3072 3136 3456 3528 3584 3903 3969 4032 4096 4536 4608 4704 5184 5204 5292 5376 6048 6144 6272 6912 7056 7168 7806 7938 8064 9072 9107 9216 9408 10368 10408 10584 10752 11709 12096 12288 12544 13824 14112 14336 15612 15876 16128 18144 18214 18432 18816 20736 20816 21168 21504 23418 24192 25088 27321 27648 28224 28672 31224 31752 32256 35127 36288 36428 36864 37632 41472 41632 42336 43008 46836 48384 50176 54642 55296 56448 62448 63504 63749 64512 70254 72576 72856 75264 81963 82944 83264 84672 86016 93672 96768 100352 105381 109284 110592 112896 124896 127008 127498 129024 140508 145152 145712 150528 163926 165888 166528 169344 187344 191247 193536 200704 210762 218568 225792 245889 249792 254016 254996 258048 281016 290304 291424 301056 327852 331776 333056 338688 374688 382494 387072 421524 437136 451584 491778 499584 508032 509992 562032 573741 580608 582848 602112 655704 666112 677376 737667 749376 764988 774144 843048 874272 903168 983556 999168 1016064 1019984 1124064 1147482 1161216 1165696 1311408 1332224 1354752 1475334 1498752 1529976 1686096 1721223 1748544 1806336 1967112 1998336 2032128 2039968 2248128 2294964 2322432 2331392 2622816 2664448 2709504 2950668 2997504 3059952 3372192 3442446 3497088 3934224 3996672 4064256 4079936 4496256 4589928 4662784 5163669 5245632 5328896 5419008 5901336 5995008 6119904 6744384 6884892 6994176 7868448 7993344 8128512 8159872 8992512 9179856 9325568 10327338 10491264 11802672 11990016 12239808 13488768 13769784 13988352 15736896 15986688 16257024 16319744 17985024 18359712 18651136 20654676 20982528 23605344 23980032 24479616 26977536 27539568 27976704 31473792 32639488 35970048 36719424 37302272 41309352 41965056 47210688 47960064 48959232 53955072 55079136 55953408 62947584 65278976 71940096 73438848 82618704 83930112 94421376 97918464 107910144 110158272 111906816 125895168 130557952 143880192 146877696 165237408 167860224 188842752 195836928 215820288 220316544 251790336 261115904 293755392 330474816 335720448 377685504 391673856 431640576 440633088 503580672 587510784 660949632 755371008 783347712 881266176 1007161344 1175021568 1321899264 1510742016 1762532352 2350043136 2643798528 3021484032 3525064704 5287597056 7050129408 10575194112 21150388224
• Sum of all divisors σ(n): 73554311754
• Sum of proper divisors (its aliquot sum) s(n): 52403923530
• 21150388224 is an abundant number, because the sum of its proper divisors (52403923530) is greater than itself. Its abundance is 31253535306

Bases of 21150388224

• Binary: 10011101100101010010101000000000000₂
• Hexadecimal: 0x4ECA95000
• Base-36: 9PSE800

Squares and roots of 21150388224

• 21150388224 squared (21150388224²) is 447338922025917874176
• 21150388224 cubed (21150388224³) is 9461391868553827628763184103424
• The square root of 21150388224 is 145431.7304579713
• The cube root of 21150388224 is 2765.4943857741

Scales and comparisons

• 21,150,388,224 seconds is equal to 672 years, 26 weeks, 6 days, 3 hours, 50 minutes, 24 seconds.
• To count from 1 to 21,150,388,224 would take you about one thousand, three hundred forty-five 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 21150388224 cubic inches would be around 230.5 feet tall.

Recreational maths with 21150388224

• 21150388224 backwards is 42288305112
• 21150388224 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21150388224's digits is 36
• More coming soon!