640015420274599029741104704

Names of 640015420274599029741104704

• Cardinal: 640015420274599029741104704 can be written as Six hundred forty septillion, fifteen sextillion, four hundred twenty quintillion, two hundred seventy-four quadrillion, five hundred ninety-nine trillion, twenty-nine billion, seven hundred forty-one million, one hundred four thousand, seven hundred four.

Scientific notation

• Scientific notation: 6.40015420274599029741104704 × 10²⁶

Factors of 640015420274599029741104704

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 340071085

Divisors of 640015420274599029741104704

• Number of divisors d(n): 189
• Complete list of divisors:
  1 2 4 8 16 17 32 34 64 68 136 272 289 544 547 578 1088 1094 1156 2188 2312 4376 4624 8752 9248 9299 17504 18496 18598 35008 37196 74392 148784 158083 297568 299209 316166 595136 598418 632332 1196836 1264664 2393672 2529328 4787344 5058656 5086553 9574688 10117312 10173106 19149376 20346212 40692424 81384848 86471401 162769696 172942802 325539392 340070519 345885604 680141038 691771208 1360282076 1383542416 2720564152 2767084832 5441128304 5534169664 5781198823 10882256608 11562397646 21764513216 23124795292 46249590584 92499181168 98280379991 184998362336 186018573893 196560759982 369996724672 372037147786 393121519964 744074295572 786243039928 1488148591144 1572486079856 2976297182288 3144972159712 3162315756181 5952594364576 6289944319424 6324631512362 11905188729152 12649263024724 25298526049448 50597052098896 53759367855077 101194104197792 101752159919471 107518735710154 202388208395584 203504319838942 215037471420308 407008639677884 430074942840616 814017279355768 860149885681232 1628034558711536 1720299771362464 1729786718631007 3256069117423072 3440599542724928 3459573437262014 6512138234846144 6919146874524028 13838293749048056 27676587498096112 29406374216727119 55353174996192224 58812748433454238 110706349992384448 115647957892929361 117625496866908476 231295915785858722 235250993733816952 462591831571717444 470501987467633904 925183663143434888 941003974935267808 1850367326286869776 1882007949870535616 1966015284179799137 3700734652573739552 3932030568359598274 7401469305147479104 7864061136719196548 15728122273438393096 31456244546876786192 33422259831056585329 62912489093753572384 63259432967432360467 66844519662113170658 125824978187507144768 126518865934864720934 133689039324226341316 253037731869729441868 267378078648452682632 506075463739458883736 534756157296905365264 1012150927478917767472 1069512314593810730528 1075410360446350127939 2024301854957835534944 2139024629187621461056 2150820720892700255878 4048603709915671069888 4301641441785400511756 8603282883570801023512 17206565767141602047024 18281976127587952174963 34413131534283204094048 34602909833185501175449 36563952255175904349926 68826263068566408188096 69205819666371002350898 73127904510351808699852 138411639332742004701796 146255809020703617399704 276823278665484009403592 292511618041407234799408 553646557330968018807184 585023236082814469598816 588249467164153519982633 1107293114661936037614368 1170046472165628939197632 1176498934328307039965266 2214586229323872075228736 2352997868656614079930532 4705995737313228159861064 9411991474626456319722128 10000240941790609839704761 18823982949252912639444256 20000481883581219679409522 37647965898505825278888512 40000963767162439358819044 80001927534324878717638088 160003855068649757435276176 320007710137299514870552352 640015420274599029741104704
• Sum of all divisors σ(n): 1351603786490747925029144913
• Sum of proper divisors (its aliquot sum) s(n): 711588366216148895288040209
• 640015420274599029741104704 is an abundant number, because the sum of its proper divisors (711588366216148895288040209) is greater than itself. Its abundance is 71572945941549865546935505

Bases of 640015420274599029741104704

• Binary: 100001000101101000100010010111010001001100110100011100011000000010110100101010111001000000₂
• Hexadecimal: 0x2116889744CD1C602D2AE40
• Base-36: 28F11NGJ9C4P33SJ0G

Squares and roots of 640015420274599029741104704

• 640015420274599029741104704 squared (640015420274599029741104704²) is 409619738189271626778095863923827465760701014290927616
• 640015420274599029741104704 cubed (640015420274599029741104704³) is 262162948889977902376045592903304451147749040134145717787097026891462544741105664
• 640015420274599029741104704 is a perfect square number. Its square root is 25298526049448
• The cube root of 640015420274599029741104704 is 861780797.2018599061

Scales and comparisons

• 640,015,420,274,599,029,741,104,704 seconds is equal to 293,274,701,009 years, 3 weeks, 3 days, 15 hours, 30 minutes, 7 seconds.
• To count from 1 to 640,015,420,274,599,029,741,104,704 would take you about two hundred ninety-three billion, two hundred seventy-four million, seven hundred one thousand and 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 640015420274599029741104704 cubic inches would be around 71815066.4 feet tall.

Recreational maths with 640015420274599029741104704

• 640015420274599029741104704 backwards is 407401147920995472024510046
• The number of decimal digits it has is: 27
• The sum of 640015420274599029741104704's digits is 97
• More coming soon!