21244280832

Names of 21244280832

• Cardinal: 21244280832 can be written as Twenty-one billion, two hundred forty-four million, two hundred eighty thousand, eight hundred thirty-two.

Scientific notation

• Scientific notation: 2.1244280832 × 10¹⁰

Factors of 21244280832

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 24
• Sum of prime factors: 57

Divisors of 21244280832

• Number of divisors d(n): 432
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 23 24 27 29 32 36 46 48 54 58 64 69 72 81 87 92 96 108 116 128 138 144 162 174 184 192 207 216 232 243 256 261 276 288 324 348 368 384 414 432 464 486 512 522 552 576 621 648 667 696 736 768 783 828 864 928 972 1024 1044 1104 1152 1242 1296 1334 1392 1472 1536 1566 1656 1728 1856 1863 1944 2001 2048 2088 2208 2304 2349 2484 2592 2668 2784 2944 3072 3132 3312 3456 3712 3726 3888 4002 4096 4176 4416 4608 4698 4968 5184 5336 5568 5589 5888 6003 6144 6264 6624 6912 7047 7424 7452 7776 8004 8192 8352 8832 9216 9396 9936 10368 10672 11136 11178 11776 12006 12288 12528 13248 13824 14094 14848 14904 15552 16008 16384 16704 17664 18009 18432 18792 19872 20736 21344 22272 22356 23552 24012 24576 25056 26496 27648 28188 29696 29808 31104 32016 32768 33408 35328 36018 36864 37584 39744 41472 42688 44544 44712 47104 48024 49152 50112 52992 54027 55296 56376 59392 59616 62208 64032 65536 66816 70656 72036 73728 75168 79488 82944 85376 89088 89424 94208 96048 98304 100224 105984 108054 110592 112752 118784 119232 124416 128064 131072 133632 141312 144072 147456 150336 158976 162081 165888 170752 178176 178848 188416 192096 196608 200448 211968 216108 221184 225504 237568 238464 248832 256128 267264 282624 288144 294912 300672 317952 324162 331776 341504 356352 357696 376832 384192 393216 400896 423936 432216 442368 451008 475136 476928 497664 512256 534528 565248 576288 589824 601344 635904 648324 663552 683008 712704 715392 753664 768384 801792 847872 864432 884736 902016 950272 953856 995328 1024512 1069056 1130496 1152576 1179648 1202688 1271808 1296648 1327104 1366016 1425408 1430784 1507328 1536768 1603584 1695744 1728864 1769472 1804032 1900544 1907712 1990656 2049024 2138112 2260992 2305152 2405376 2543616 2593296 2654208 2732032 2850816 2861568 3014656 3073536 3207168 3391488 3457728 3538944 3608064 3801088 3815424 3981312 4098048 4276224 4521984 4610304 4810752 5087232 5186592 5308416 5464064 5701632 5723136 6147072 6414336 6782976 6915456 7216128 7630848 7962624 8196096 8552448 9043968 9220608 9621504 10174464 10373184 10616832 10928128 11403264 11446272 12294144 12828672 13565952 13830912 14432256 15261696 15925248 16392192 17104896 18441216 19243008 20348928 20746368 21856256 22892544 24588288 25657344 27131904 27661824 28864512 30523392 31850496 32784384 34209792 36882432 38486016 40697856 41492736 43712512 45785088 49176576 51314688 55323648 57729024 61046784 65568768 73764864 76972032 81395712 82985472 87425024 91570176 98353152 102629376 110647296 115458048 122093568 131137536 147529728 153944064 165970944 183140352 196706304 221294592 230916096 244187136 262275072 295059456 307888128 331941888 366280704 393412608 442589184 461832192 590118912 663883776 732561408 786825216 885178368 923664384 1180237824 1327767552 1770356736 2360475648 2655535104 3540713472 5311070208 7081426944 10622140416 21244280832
• Sum of all divisors σ(n): 68702437440
• Sum of proper divisors (its aliquot sum) s(n): 47458156608
• 21244280832 is an abundant number, because the sum of its proper divisors (47458156608) is greater than itself. Its abundance is 26213875776

Bases of 21244280832

• Binary: 10011110010010000100000000000000000₂
• Hexadecimal: 0x4F2420000
• Base-36: 9RCAO00

Squares and roots of 21244280832

• 21244280832 squared (21244280832²) is 451319468068882612224
• 21244280832 cubed (21244280832³) is 9587957524604198934528412090368
• The square root of 21244280832 is 145754.1794666623
• The cube root of 21244280832 is 2769.5806179541

Scales and comparisons

• 21,244,280,832 seconds is equal to 675 years, 26 weeks, 21 hours, 7 minutes, 12 seconds.
• To count from 1 to 21,244,280,832 would take you about one thousand, three hundred fifty-one 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 21244280832 cubic inches would be around 230.8 feet tall.

Recreational maths with 21244280832

• 21244280832 backwards is 23808244212
• 21244280832 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21244280832's digits is 36
• More coming soon!