21001224432222216

Names of 21001224432222216

• Cardinal: 21001224432222216 can be written as Twenty-one quadrillion, one trillion, two hundred twenty-four billion, four hundred thirty-two million, two hundred twenty-two thousand, two hundred sixteen.

Scientific notation

• Scientific notation: 2.1001224432222216 × 10¹⁶

Factors of 21001224432222216

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1025665

Divisors of 21001224432222216

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 13 14 18 21 24 26 28 36 39 42 52 56 63 72 78 84 91 104 117 126 156 168 169 182 234 252 273 312 338 364 468 504 507 546 676 728 819 936 1014 1092 1183 1352 1521 1638 2028 2184 2366 3042 3276 3549 4056 4732 6084 6552 7098 9464 10647 12168 14196 21294 28392 42588 85176 384673 640967 769346 1154019 1281934 1538692 1922901 2308038 2563868 2692711 3077384 3462057 3845802 4486769 4616076 5000749 5127736 5385422 5768703 6924114 7691604 8078133 8332571 8973538 9232152 10001498 10770844 11537406 13460307 13848228 15002247 15383208 16156266 16665142 17947076 20002996 21541688 23074812 24234399 24997713 26920614 27696456 30004494 32312532 33330284 35005243 35894152 40005992 40380921 45006741 46149624 48468798 49995426 53841228 58327997 60008988 64625064 65009737 66660568 70010486 74993139 80761842 90013482 96937596 99990852 105015729 107682456 108323423 116655994 120017976 130019474 140020972 149986278 161523684 174983991 180026964 193875192 195029211 199981704 210031458 216646846 233311988 260038948 280041944 299972556 315047187 323047368 324970269 349967982 360053928 390058422 420062916 433293692 455068159 466623976 520077896 524951973 585087633 599945112 630094374 649940538 699935964 758263961 780116844 840125832 866587384 910136318 974910807 1049903946 1170175266 1260188748 1299881076 1365204477 1399871928 1516527922 1560233688 1820272636 1949821614 2099807892 2274791883 2340350532 2520377496 2599762152 2730408954 3033055844 3640545272 3899643228 4095613431 4199615784 4549583766 4680701064 5460817908 6066111688 6824375649 7799286456 8191226862 9099167532 10921635816 13648751298 16382453724 18198335064 27297502596 32764907448 54595005192 246562698791 493125397582 739688096373 986250795164 1479376192746 1725938891537 1972501590328 2219064289119 2958752385492 3205315084283 3451877783074 4438128578238 5177816674611 5917504770984 6410630168566 6903755566148 8876257156476 9615945252849 10355633349222 12821260337132 13807511132296 15533450023833 17752514312952 19231890505698 20711266698444 22437205589981 25642520674264 28847835758547 31066900047666 38463781011396 41422533396888 41669096095679 44874411179962 57695671517094 62133800095332 67311616769943 76927562022792 83338192191358 89748822359924 115391343034188 124267600190664 125007288287037 134623233539886 166676384382716 179497644719848 201934850309829 230782686068376 250014576574074 269246467079772 291683672669753 333352768765432 375021864861111 403869700619658 500029153148148 538492934159544 583367345339506 750043729722222 807739401239316 875051018009259 1000058306296296 1166734690679012 1500087459444444 1615478802478632 1750102036018518 2333469381358024 2625153054027777 3000174918888888 3500204072037036 5250306108055554 7000408144074072 10500612216111108 21001224432222216
• Sum of all divisors σ(n): 70389012050847360
• Sum of proper divisors (its aliquot sum) s(n): 49387787618625144
• 21001224432222216 is an abundant number, because the sum of its proper divisors (49387787618625144) is greater than itself. Its abundance is 28386563186402928

Bases of 21001224432222216

• Binary: 1001010100111001000000010011010001000011000000000001000₂
• Hexadecimal: 0x4A9C809A218008
• Base-36: 5QSB9BBECY0

Squares and roots of 21001224432222216

• 21001224432222216 squared (21001224432222216²) is 441051427652567338800812003950656
• 21001224432222216 cubed (21001224432222216³) is 9262620018283586287196077542566358549897290973696
• The square root of 21001224432222216 is 144917992.0928461387
• The cube root of 21001224432222216 is 275897.7796222505

Scales and comparisons

• 21,001,224,432,222,216 seconds is equal to 667,773,975 years, 46 weeks, 2 days, 19 hours, 3 minutes, 36 seconds.
• To count from 1 to 21,001,224,432,222,216 would take you about two billion, three million, three hundred twenty-one thousand, nine hundred twenty-seven 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 21001224432222216 cubic inches would be around 22991.5 feet tall.

Recreational maths with 21001224432222216

• 21001224432222216 backwards is 61222223442210012
• 21001224432222216 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21001224432222216's digits is 36
• More coming soon!