21445132401

Names of 21445132401

• Cardinal: 21445132401 can be written as Twenty-one billion, four hundred forty-five million, one hundred thirty-two thousand, four hundred one.

Scientific notation

• Scientific notation: 2.1445132401 × 10¹⁰

Factors of 21445132401

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 217

Divisors of 21445132401

• Number of divisors d(n): 320
• Complete list of divisors:
  1 3 7 9 11 19 21 27 33 37 57 63 67 73 77 81 99 111 133 171 189 201 209 219 231 259 297 333 399 407 469 511 513 567 603 627 657 693 703 737 777 803 891 999 1197 1221 1273 1387 1407 1463 1533 1539 1809 1881 1971 2079 2109 2211 2331 2409 2479 2701 2849 2997 3591 3663 3819 4161 4221 4389 4599 4891 4921 5159 5427 5621 5643 5913 6237 6327 6633 6993 7227 7437 7733 8103 8547 8911 9709 10773 10989 11457 12483 12663 13167 13797 14003 14673 14763 15257 15477 16863 16929 17353 18907 18981 19899 20979 21681 22311 23199 24309 25641 26733 27269 29127 29711 32967 34237 34371 37449 37989 39501 41391 42009 44019 44289 45771 46431 47101 50589 51319 52059 53801 54131 56721 56943 59697 65043 66933 69597 72927 76923 80199 81807 87381 89133 92929 98021 102711 103113 106799 112347 118503 126027 132057 132867 137313 139293 141303 151767 153957 156177 161403 162393 170163 180967 190883 200799 207977 208791 218781 230769 240597 245421 262143 267399 278787 294063 308133 320397 329707 359233 376607 378081 396171 398601 411939 417879 423909 455301 461871 468531 484209 487179 510489 518111 542901 564509 572649 623931 626373 650503 721791 736263 786429 802197 836361 882189 924399 961191 989121 1022219 1077699 1129821 1134243 1235817 1266769 1271727 1385613 1405593 1452627 1461537 1531467 1554333 1628703 1693527 1717947 1871793 1951509 1990637 2208789 2406591 2509083 2646567 2773197 2883573 2967363 3066657 3233097 3389463 3438373 3626777 3800307 3815181 3951563 4156839 4357881 4384611 4662999 4886109 5080581 5153841 5615379 5854527 5971911 7155533 7527249 7939701 8650719 8902089 9199971 9699291 10168389 10315119 10880331 11400921 11854689 13934459 13988997 14658327 15241743 15461523 16846137 17563581 17915733 21466599 24068611 26706267 27599913 29097873 30505167 30945357 32640993 34202763 35564067 37822103 41803377 41966991 45725229 52690743 53747199 64399797 72205833 82799739 92836071 97922979 102608289 106692201 113466309 125410131 161241597 193199391 216617499 264754721 278508213 293768937 320076603 340398927 376230393 579598173 649852497 794264163 1021196781 1128691179 1949557491 2382792489 3063590343 7148377467 21445132401
• Sum of all divisors σ(n): 44423301120
• Sum of proper divisors (its aliquot sum) s(n): 22978168719
• 21445132401 is an abundant number, because the sum of its proper divisors (22978168719) is greater than itself. Its abundance is 1533036318

Bases of 21445132401

• Binary: 10011111110001110101100000001110001₂
• Hexadecimal: 0x4FE3AC071
• Base-36: 9UNVM29

Squares and roots of 21445132401

• 21445132401 squared (21445132401²) is 459893703696420024801
• 21445132401 cubed (21445132401³) is 9862481366155990541565148677201
• The square root of 21445132401 is 146441.5665069177
• The cube root of 21445132401 is 2778.2814802317

Scales and comparisons

• 21,445,132,401 seconds is equal to 681 years, 46 weeks, 1 day, 13 hours, 13 minutes, 21 seconds.
• To count from 1 to 21,445,132,401 would take you about one thousand, three hundred sixty-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 21445132401 cubic inches would be around 231.5 feet tall.

Recreational maths with 21445132401

• 21445132401 backwards is 10423154412
• 21445132401 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21445132401's digits is 27
• More coming soon!