21949608977658816

Names of 21949608977658816

• Cardinal: 21949608977658816 can be written as Twenty-one quadrillion, nine hundred forty-nine trillion, six hundred eight billion, nine hundred seventy-seven million, six hundred fifty-eight thousand, eight hundred sixteen.

Scientific notation

• Scientific notation: 2.1949608977658816 × 10¹⁶

Factors of 21949608977658816

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 19614

Divisors of 21949608977658816

• Number of divisors d(n): 336
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 32 34 48 51 61 64 68 96 102 122 136 183 192 204 244 272 289 366 408 488 544 578 732 816 867 976 1037 1088 1156 1464 1632 1734 1952 2074 2312 2928 3111 3264 3468 3904 4148 4624 4913 5856 6222 6936 8296 9248 9826 11712 12444 13872 14739 16592 17629 18496 19531 19652 24888 27744 29478 33184 35258 39062 39304 49776 52887 55488 58593 58956 66368 70516 78124 78608 99552 105774 117186 117912 141032 156248 157216 199104 211548 234372 235824 282064 299693 312496 314432 332027 423096 468744 471648 564128 599386 624992 664054 846192 899079 937488 943296 996081 1128256 1191391 1198772 1249984 1328108 1692384 1798158 1874976 1992162 2382782 2397544 2656216 3384768 3574173 3596316 3749952 3984324 4765564 4795088 5312432 5644459 7148346 7192632 7968648 9531128 9590176 10624864 11288918 14296692 14385264 15937296 16933377 19062256 19180352 20253647 21249728 22577836 28593384 28770528 31874592 33866754 38124512 40507294 45155672 57186768 57541056 60760941 63749184 67733508 76249024 81014588 90311344 95955803 114373536 121521882 135467016 162029176 180622688 191911606 228747072 243043764 270934032 287867409 324058352 344311999 361245376 381459961 383823212 486087528 541868064 575734818 648116704 688623998 762919922 767646424 972175056 1032935997 1083736128 1144379883 1151469636 1296233408 1377247996 1525839844 1535292848 1944350112 2065871994 2288759766 2302939272 2754495992 3051679688 3070585696 3888700224 4131743988 4577519532 4605878544 5508991984 5853303983 6103359376 6141171392 6484819337 8263487976 9155039064 9211757088 11017983968 11706607966 12206718752 12969638674 16526975952 17559911949 18310078128 18423514176 19454458011 22035967936 23269057621 23413215932 24413437504 25939277348 33053951904 35119823898 36620156256 38908916022 46538115242 46826431864 51878554696 66107903808 69807172863 70239647796 73240312512 77817832044 93076230484 93652863728 103757109392 110241928729 139614345726 140479295592 155635664088 186152460968 187305727456 207514218784 220483857458 279228691452 280958591184 311271328176 330725786187 372304921936 374611454912 395573979557 415028437568 440967714916 558457382904 561917182368 622542656352 661451572374 744609843872 791147959114 881935429832 1116914765808 1123834364736 1186721938671 1245085312704 1322903144748 1489219687744 1582295918228 1763870859664 1874112788393 2233829531616 2373443877342 2645806289496 3164591836456 3527741719328 3748225576786 4467659063232 4746887754684 5291612578992 5622338365179 6329183672912 6724757652469 7055483438656 7496451153572 9493775509368 10583225157984 11244676730358 12658367345824 13449515304938 14992902307144 18987551018736 20174272957407 21166450315968 22489353460716 25316734691648 26899030609876 29985804614288 37975102037472 40348545914814 44978706921432 53798061219752 59971609228576 75950204074944 80697091829628 89957413842864 107596122439504 114320880091973 119943218457152 161394183659256 179914827685728 215192244879008 228641760183946 322788367318512 342962640275919 359829655371456 430384489758016 457283520367892 645576734637024 685925280551838 914567040735784 1291153469274048 1371850561103676 1829134081471568 2743701122207352 3658268162943136 5487402244414704 7316536325886272 10974804488829408 21949608977658816
• Sum of all divisors σ(n): 62718707742176160
• Sum of proper divisors (its aliquot sum) s(n): 40769098764517344
• 21949608977658816 is an abundant number, because the sum of its proper divisors (40769098764517344) is greater than itself. Its abundance is 18819489786858528

Bases of 21949608977658816

• Binary: 1001101111110110000110110010110000100100111001111000000₂
• Hexadecimal: 0x4DFB0D961273C0
• Base-36: 604HJ5R6SAO

Squares and roots of 21949608977658816

• 21949608977658816 squared (21949608977658816²) is 481785334272120493705016502521856
• 21949608977658816 cubed (21949608977658816³) is 10574999698443689636237123548867637748426751082496
• The square root of 21949608977658816 is 148154004.2579302545
• The cube root of 21949608977658816 is 279989.8337195711

Scales and comparisons

• 21,949,608,977,658,816 seconds is equal to 697,929,670 years, 46 weeks, 2 days, 9 hours, 13 minutes, 36 seconds.
• To count from 1 to 21,949,608,977,658,816 would take you about two billion, ninety-three million, seven hundred eighty-nine thousand and twelve 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 21949608977658816 cubic inches would be around 23332.5 feet tall.

Recreational maths with 21949608977658816

• 21949608977658816 backwards is 61885677980694912
• 21949608977658816 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 21949608977658816's digits is 96
• More coming soon!