21164216390400

Names of 21164216390400

• Cardinal: 21164216390400 can be written as Twenty-one trillion, one hundred sixty-four billion, two hundred sixteen million, three hundred ninety thousand, four hundred.

Scientific notation

• Scientific notation: 2.11642163904 × 10¹³

Factors of 21164216390400

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 1043

Divisors of 21164216390400

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 20 24 25 30 32 40 48 50 60 64 75 80 96 100 120 128 150 160 192 200 240 256 300 320 384 400 480 600 640 768 800 960 1033 1200 1280 1600 1920 2066 2400 3099 3200 3840 4132 4800 5165 6198 6400 8264 9600 10330 12396 15495 16528 19200 20660 24792 25825 30990 33056 41320 49584 51650 61980 66112 77475 82640 99168 103300 123960 132224 154950 165280 198336 206600 247920 264448 309900 330560 396672 413200 495840 619800 661120 793344 826400 991680 1067089 1239600 1322240 1652800 1983360 2134178 2479200 3201267 3305600 3966720 4268356 4958400 5335445 6402534 6611200 8536712 9916800 10670890 12805068 16006335 17073424 19833600 21341780 25610136 26677225 32012670 34146848 42683560 51220272 53354450 64025340 68293696 80031675 85367120 102440544 106708900 128050680 136587392 160063350 170734240 204881088 213417800 256101360 273174784 320126700 341468480 409762176 426835600 512202720 640253400 682936960 819524352 853671200 1024405440 1102302937 1280506800 1365873920 1707342400 2048810880 2204605874 2561013600 3306908811 3414684800 4097621760 4409211748 5122027200 5511514685 6613817622 6829369600 8818423496 10244054400 11023029370 13227635244 16534544055 17636846992 20488108800 22046058740 26455270488 27557573425 33069088110 35273693984 44092117480 52910540976 55115146850 66138176220 70547387968 82672720275 88184234960 105821081952 110230293700 132276352440 141094775936 165345440550 176368469920 211642163904 220460587400 264552704880 282189551872 330690881100 352736939840 423284327808 440921174800 529105409760 661381762200 705473879680 846568655616 881842349600 1058210819520 1322763524400 1410947759360 1763684699200 2116421639040 2645527048800 3527369398400 4232843278080 5291054097600 7054738796800 10582108195200 21164216390400
• Sum of all divisors σ(n): 69914003845840
• Sum of proper divisors (its aliquot sum) s(n): 48749787455440
• 21164216390400 is an abundant number, because the sum of its proper divisors (48749787455440) is greater than itself. Its abundance is 27585571065040

Bases of 21164216390400

• Binary: 100110011111110101101100110011001001100000000₂
• Hexadecimal: 0x133FAD999300
• Base-36: 7I2PFZTHC

Squares and roots of 21164216390400

• 21164216390400 squared (21164216390400²) is 447924055419676005212160000
• 21164216390400 cubed (21164216390400³) is 9479961635367544860168792501387264000000
• The square root of 21164216390400 is 4600458.2804759789
• The cube root of 21164216390400 is 27660.9694973953

Scales and comparisons

• 21,164,216,390,400 seconds is equal to 672,956 years, 32 weeks, 5 hours, 20 minutes.
• To count from 1 to 21,164,216,390,400 would take you about one million, six hundred eighty-two thousand, three hundred ninety-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 21164216390400 cubic inches would be around 2305.1 feet tall.

Recreational maths with 21164216390400

• 21164216390400 backwards is 00409361246112
• The number of decimal digits it has is: 14
• The sum of 21164216390400's digits is 39
• More coming soon!