21146691363790752

Names of 21146691363790752

• Cardinal: 21146691363790752 can be written as Twenty-one quadrillion, one hundred forty-six trillion, six hundred ninety-one billion, three hundred sixty-three million, seven hundred ninety thousand, seven hundred fifty-two.

Scientific notation

• Scientific notation: 2.1146691363790752 × 10¹⁶

Factors of 21146691363790752

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 12212401

Divisors of 21146691363790752

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 17 18 24 32 34 36 48 51 67 68 72 96 102 134 136 144 153 201 204 268 272 288 306 402 408 536 544 603 612 804 816 1072 1139 1206 1224 1608 1632 2144 2278 2412 2448 3216 3417 4556 4824 4896 5281 6432 6834 9112 9648 10251 10562 13668 15843 18224 19296 20502 21124 27336 31686 36448 41004 42248 47529 54672 63372 82008 84496 89777 95058 109344 126744 164016 168992 179554 190116 253488 269331 328032 353827 359108 380232 506976 538662 707654 718216 760464 807993 1061481 1077324 1415308 1436432 1520928 1615986 2122962 2154648 2830616 2872864 3184443 3231972 4245924 4309296 5661232 6015059 6368886 6463944 8491848 8618592 11322464 12030118 12207031 12737772 12927888 16983696 18045177 24060236 24414062 25475544 25855776 33967392 36090354 36621093 48120472 48828124 50951088 54135531 72180708 73242186 96240944 97656248 101902176 108271062 109863279 144361416 146484372 192481888 195312496 207519527 216542124 219726558 288722832 292968744 390624992 415039054 433084248 439453116 577445664 585937488 622558581 817871077 830078108 866168496 878906232 1171874976 1245117162 1635742154 1660156216 1732336992 1757812464 1867675743 2453613231 2490234324 3271484308 3320312432 3515624928 3735351486 4907226462 4980468648 6542968616 6640624864 7360839693 7470702972 9814452924 9960937296 13085937232 13903808309 14721679386 14941405944 19628905848 19921874592 26171874464 27807616618 29443358772 29882811888 39257811696 41711424927 55615233236 58886717544 59765623776 64465330711 78515623392 83422849854 111230466472 117773435088 125134274781 128930661422 166845699708 193395992133 222460932944 235546870176 250268549562 257861322844 333691399416 386791984266 444921865888 500537099124 515722645688 580187976399 667382798832 773583968532 1001074198248 1031445291376 1095910622087 1160375952798 1334765597664 1547167937064 2002148396496 2062890582752 2191821244174 2320751905596 3094335874128 3287731866261 4004296792992 4319177157637 4383642488348 4641503811192 6188671748256 6575463732522 8638354315274 8767284976696 9283007622384 9863195598783 12957531472911 13150927465044 17276708630548 17534569953392 18566015244768 19726391197566 25915062945822 26301854930088 34553417261096 35069139906784 38872594418733 39452782395132 51830125891644 52603709860176 69106834522192 73426011679829 77745188837466 78905564790264 103660251783288 105207419720352 138213669044384 146852023359658 155490377674932 157811129580528 207320503566576 220278035039487 293704046719316 310980755349864 315622259161056 414641007133152 440556070078974 587408093438632 621961510699728 660834105118461 881112140157948 1174816186877264 1243923021399456 1321668210236922 1762224280315896 2349632373754528 2643336420473844 3524448560631792 5286672840947688 7048897121263584 10573345681895376 21146691363790752
• Sum of all divisors σ(n): 64635899869666944
• Sum of proper divisors (its aliquot sum) s(n): 43489208505876192
• 21146691363790752 is an abundant number, because the sum of its proper divisors (43489208505876192) is greater than itself. Its abundance is 22342517142085440

Bases of 21146691363790752

• Binary: 1001011001000001100110111000010111010011101111110100000₂
• Hexadecimal: 0x4B20CDC2E9DFA0
• Base-36: 5S7VJWELYG0

Squares and roots of 21146691363790752

• 21146691363790752 squared (21146691363790752²) is 447182555635422374746975240725504
• 21146691363790752 cubed (21146691363790752³) is 9456431487293463809152632147100781456176125739008
• The square root of 21146691363790752 is 145419019.9519676037
• The cube root of 21146691363790752 is 276533.3250167999

Scales and comparisons

• 21,146,691,363,790,752 seconds is equal to 672,399,374 years, 18 weeks, 4 days, 2 hours, 19 minutes, 12 seconds.
• To count from 1 to 21,146,691,363,790,752 would take you about two billion, seventeen million, one hundred ninety-eight thousand, one hundred twenty-three 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 21146691363790752 cubic inches would be around 23044.4 feet tall.

Recreational maths with 21146691363790752

• 21146691363790752 backwards is 25709736319664112
• 21146691363790752 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21146691363790752's digits is 72
• More coming soon!