21497989202008

Names of 21497989202008

• Cardinal: 21497989202008 can be written as Twenty-one trillion, four hundred ninety-seven billion, nine hundred eighty-nine million, two hundred two thousand and eight.

Scientific notation

• Scientific notation: 2.1497989202008 × 10¹³

Factors of 21497989202008

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 1680

Divisors of 21497989202008

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 8 11 22 23 43 44 46 86 88 89 92 121 172 178 184 191 242 253 344 356 382 473 484 506 712 764 946 968 979 989 1012 1321 1528 1892 1958 1978 2024 2047 2101 2642 2783 3784 3827 3916 3956 4094 4202 4393 5203 5284 5566 7654 7832 7912 8188 8213 8404 8786 10406 10568 10769 10879 11132 14531 15308 16376 16426 16808 16999 17572 20812 21538 21758 22264 22517 23111 29062 30383 30616 32852 33998 35144 41624 42097 43076 43516 45034 46222 48323 56803 58124 60766 65704 67996 84194 86152 87032 88021 90068 90343 92444 96646 113606 116248 117569 119669 121532 135992 159841 168388 176042 180136 180686 184888 186989 188899 193292 227212 235138 239338 243064 247687 252311 319682 334213 336776 352084 361372 373978 377798 386584 390977 454424 463067 470276 478676 495374 504622 531553 624833 639364 668426 704168 722744 730957 747956 755596 781954 926134 940552 957352 968231 990748 993773 1009244 1063106 1249666 1278728 1293259 1306469 1336852 1461914 1495912 1511192 1563908 1852268 1936462 1981496 1987546 2018488 2056879 2077889 2126212 2499332 2586518 2612938 2673704 2704087 2775421 2923828 3127816 3676343 3704536 3872924 3975092 4113758 4155778 4252424 4300747 4998664 5055467 5173036 5225876 5408174 5550842 5803153 5847656 6873163 7352686 7745848 7950184 8040527 8227516 8311556 8601494 10110934 10346072 10451752 10650541 10816348 10849373 11101684 11606306 13746326 14225849 14371159 14705372 16081054 16455032 16623112 16812011 17202988 20221868 21301082 21632696 21698746 22203368 22455679 22856779 23212612 27492652 28451698 28742318 29410744 29744957 30529631 32162108 33624022 34405976 40443736 42602164 43397492 44911358 45713558 46425224 47308217 54985304 55610137 56903396 57484636 59489914 61059262 63834683 64324216 67248044 85204328 86794984 88445797 89822716 91427116 94616434 111220274 113806792 114969272 116275741 118979828 119343103 122118524 127669366 134496088 158082749 176891594 179645432 182854232 184932121 189232868 222440548 232551482 237959656 238686206 244237048 247012469 249535579 255338732 316165498 327194527 353783188 369864242 378465736 444881096 465102964 477372412 494024938 499071158 510677464 516480617 611711507 632330996 654389054 702181513 707566376 739728484 930205928 954744824 965594197 988049876 998142316 1032961234 1223423014 1264661992 1279033151 1308778108 1312774133 1404363026 1479456968 1931188394 1976099752 1996284632 2034253331 2065922468 2446846028 2558066302 2617556216 2625548266 2717137159 2744891369 2808726052 3862376788 4068506662 4131844936 4893692056 5116132604 5251096532 5434274318 5489782738 5617452104 5681286787 7724753576 8137013324 10232265208 10502193064 10621536167 10868548636 10979565476 11362573574 14069364661 16274026648 21243072334 21737097272 21959130952 22208666531 22725147148 28138729322 30193805059 42486144668 44417333062 45450294296 56277458644 60387610118 62494154657 84972289336 88834666124 112554917288 116836897837 120775220236 124988309314 177669332248 233673795674 241550440472 244295331841 249976618628 467347591348 488590663682 499953237256 934695182696 977181327364 1954362654728 2687248650251 5374497300502 10748994601004 21497989202008
• Sum of all divisors σ(n): 48126248755200
• Sum of proper divisors (its aliquot sum) s(n): 26628259553192
• 21497989202008 is an abundant number, because the sum of its proper divisors (26628259553192) is greater than itself. Its abundance is 5130270351184

Bases of 21497989202008

• Binary: 100111000110101100100000000101000000001011000₂
• Hexadecimal: 0x138D64028058
• Base-36: 7MC1FPJ6G

Squares and roots of 21497989202008

• 21497989202008 squared (21497989202008²) is 462163539729652564631232064
• 21497989202008 cubed (21497989202008³) is 9935586786669866141971671244345222784512
• The square root of 21497989202008 is 4636592.4127540045
• The cube root of 21497989202008 is 27805.6219337673

Scales and comparisons

• 21,497,989,202,008 seconds is equal to 683,569 years, 29 weeks, 11 hours, 13 minutes, 28 seconds.
• To count from 1 to 21,497,989,202,008 would take you about one million, seven hundred eight thousand, nine 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 21497989202008 cubic inches would be around 2317.1 feet tall.

Recreational maths with 21497989202008

• 21497989202008 backwards is 80020298979412
• The number of decimal digits it has is: 14
• The sum of 21497989202008's digits is 61
• More coming soon!