21379390570429344

Names of 21379390570429344

• Cardinal: 21379390570429344 can be written as Twenty-one quadrillion, three hundred seventy-nine trillion, three hundred ninety billion, five hundred seventy million, four hundred twenty-nine thousand, three hundred forty-four.

Scientific notation

• Scientific notation: 2.1379390570429344 × 10¹⁶

Factors of 21379390570429344

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1935143030

Divisors of 21379390570429344

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 4 6 8 9 12 16 18 19 24 27 32 36 38 48 54 57 72 76 96 108 114 144 152 171 216 228 288 304 342 432 456 513 608 673 684 864 912 1026 1346 1368 1824 2019 2052 2692 2736 4038 4104 5384 5472 6057 8076 8208 10768 12114 12787 16152 16416 18171 21536 24228 25574 32304 36342 38361 48456 51148 64608 72684 76722 96912 102296 115083 145368 153444 193824 204592 230166 290736 306888 345249 409184 460332 581472 613776 690498 920664 1227552 1380996 1841328 2761992 3682656 5523984 11047968 1935142333 3870284666 5805426999 7740569332 11610853998 15481138664 17416280997 23221707996 30962277328 34832561994 36767704327 46443415992 52248842991 61924554656 69665123988 73535408654 92886831984 104497685982 110303112981 139330247976 147070817308 185773663968 208995371964 220606225962 278660495952 294141634616 330909338943 417990743928 441212451924 557320991904 588283269232 661818677886 835981487856 882424903848 992728016829 1176566538464 1302350790109 1323637355772 1671962975712 1764849807696 1985456033658 2604701580218 2647274711544 3529699615392 3907052370327 3970912067316 5209403160436 5294549423088 7814104740654 7941824134632 10418806320872 10589098846176 11721157110981 15628209481308 15883648269264 20837612641744 23442314221962 24744665012071 31256418962616 31767296538528 35163471332943 41675225283488 46884628443924 49489330024142 62512837925232 70326942665886 74233995036213 93769256887848 98978660048284 125025675850464 140653885331772 148467990072426 187538513775696 197957320096568 222701985108639 281307770663544 296935980144852 375077027551392 395914640193136 445403970217278 562615541327088 593871960289704 668105955325917 791829280386272 890807940434556 1125231082654176 1187743920579408 1336211910651834 1781615880869112 2375487841158816 2672423821303668 3563231761738224 5344847642607336 7126463523476448 10689695285214672 21379390570429344
• Sum of all divisors σ(n): 65736011029046400
• Sum of proper divisors (its aliquot sum) s(n): 44356620458617056
• 21379390570429344 is an abundant number, because the sum of its proper divisors (44356620458617056) is greater than itself. Its abundance is 22977229888187712

Bases of 21379390570429344

• Binary: 1001011111101000111000101000100011101101111101110100000₂
• Hexadecimal: 0x4BF4714476FBA0
• Base-36: 5UID0FU4KO0

Squares and roots of 21379390570429344

• 21379390570429344 squared (21379390570429344²) is 457078341162963151029956496270336
• 21379390570429344 cubed (21379390570429344³) is 9772056377006941067695608954988067291066211139584
• The square root of 21379390570429344 is 146216929.8351916019
• The cube root of 21379390570429344 is 277543.9556826857

Scales and comparisons

• 21,379,390,570,429,344 seconds is equal to 679,798,489 years, 17 weeks, 5 days, 17 hours, 2 minutes, 24 seconds.
• To count from 1 to 21,379,390,570,429,344 would take you about two billion, thirty-nine million, three hundred ninety-five thousand, four hundred sixty-eight 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 21379390570429344 cubic inches would be around 23128.7 feet tall.

Recreational maths with 21379390570429344

• 21379390570429344 backwards is 44392407509397312
• 21379390570429344 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21379390570429344's digits is 72
• More coming soon!