21128516710400000

Names of 21128516710400000

• Cardinal: 21128516710400000 can be written as Twenty-one quadrillion, one hundred twenty-eight trillion, five hundred sixteen billion, seven hundred ten million, four hundred thousand.

Scientific notation

• Scientific notation: 2.11285167104 × 10¹⁶

Factors of 21128516710400000

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 25
• Sum of prime factors: 150

Divisors of 21128516710400000

• Number of divisors d(n): 1728
• Complete list of divisors:
  1 2 4 5 8 10 11 16 20 22 25 32 40 44 50 55 61 64 71 80 88 100 110 122 125 128 142 160 176 200 220 244 250 256 275 284 305 320 352 355 400 440 488 500 512 550 568 610 625 640 671 704 710 781 800 880 976 1000 1024 1100 1136 1220 1250 1280 1342 1375 1408 1420 1525 1562 1600 1760 1775 1952 2000 2048 2200 2272 2440 2500 2560 2684 2750 2816 2840 3050 3124 3125 3200 3355 3520 3550 3721 3904 3905 4000 4096 4331 4400 4544 4880 5000 5041 5120 5368 5500 5632 5680 6100 6248 6250 6400 6710 6875 7040 7100 7442 7625 7808 7810 8000 8192 8662 8800 8875 9088 9760 10000 10082 10240 10736 11000 11264 11360 12200 12496 12500 12800 13420 13750 14080 14200 14884 15250 15616 15620 16000 16384 16775 17324 17600 17750 18176 18605 19520 19525 20000 20164 20480 21472 21655 22000 22528 22720 24400 24992 25000 25205 25600 26840 27500 28160 28400 29768 30500 31232 31240 32000 32768 33550 34375 34648 35200 35500 36352 37210 38125 39040 39050 40000 40328 40931 40960 42944 43310 44000 44375 45056 45440 47641 48800 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• Sum of all divisors σ(n): 59415385981213080
• Sum of proper divisors (its aliquot sum) s(n): 38286869270813080
• 21128516710400000 is an abundant number, because the sum of its proper divisors (38286869270813080) is greater than itself. Its abundance is 17158352560413080

Bases of 21128516710400000

• Binary: 1001011000100000100011000100101001001111000000000000000₂
• Hexadecimal: 0x4B104625278000
• Base-36: 5S1FMKV8IRK

Squares and roots of 21128516710400000

• 21128516710400000 squared (21128516710400000²) is 446414218381652037468160000000000
• 21128516710400000 cubed (21128516710400000³) is 9432070272836889918404225467940864000000000000000
• The square root of 21128516710400000 is 145356515.8855976433
• The cube root of 21128516710400000 is 276454.0795565899

Scales and comparisons

• 21,128,516,710,400,000 seconds is equal to 671,821,476 years, 31 weeks, 11 hours, 33 minutes, 20 seconds.
• To count from 1 to 21,128,516,710,400,000 would take you about two billion, fifteen million, four hundred sixty-four thousand, four hundred twenty-nine 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 21128516710400000 cubic inches would be around 23037.8 feet tall.

Recreational maths with 21128516710400000

• 21128516710400000 backwards is 00000401761582112
• The number of decimal digits it has is: 17
• The sum of 21128516710400000's digits is 38
• More coming soon!