21388063032

Names of 21388063032

• Cardinal: 21388063032 can be written as Twenty-one billion, three hundred eighty-eight million, sixty-three thousand and thirty-two.

Scientific notation

• Scientific notation: 2.1388063032 × 10¹⁰

Factors of 21388063032

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 323

Divisors of 21388063032

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 18 19 21 23 24 28 36 38 42 46 56 57 63 69 72 76 84 92 114 126 133 138 152 161 168 171 184 207 228 252 266 269 276 322 342 361 399 414 437 456 483 504 532 538 552 644 684 722 798 807 828 874 966 1064 1076 1083 1197 1288 1311 1368 1444 1449 1596 1614 1656 1748 1883 1932 2152 2166 2394 2421 2527 2622 2888 2898 3059 3192 3228 3249 3496 3766 3864 3933 4332 4788 4842 5054 5111 5244 5649 5796 6118 6187 6456 6498 6859 7532 7581 7866 8303 8664 9177 9576 9684 10108 10222 10488 11298 11592 12236 12374 12996 13718 15064 15162 15333 15732 16606 16947 18354 18561 19368 20216 20444 20577 22596 22743 24472 24748 24909 25992 27436 27531 30324 30666 31464 33212 33894 35777 36708 37122 40888 41154 43309 45192 45486 45999 48013 49496 49818 54872 55062 55683 58121 60648 61332 61731 66424 67788 71554 73416 74244 74727 82308 86618 90972 91998 96026 97109 99636 107331 110124 111366 116242 117553 122664 123462 129927 135576 143108 144039 148488 149454 157757 164616 173236 174363 181944 183996 192052 194218 199272 214662 220248 222732 232484 235106 246924 259854 286216 288078 291327 298908 315514 321993 346472 348726 352659 367992 384104 388436 389781 429324 432117 445464 464968 470212 473271 493848 519708 523089 576156 582654 597816 631028 643986 679763 697452 705318 776872 779562 822871 858648 864234 873981 940424 946542 1039416 1046178 1057977 1104299 1152312 1165308 1262056 1287972 1359526 1394904 1410636 1419813 1559124 1645742 1728468 1747962 1845071 1893084 2039289 2092356 2115954 2208598 2233507 2330616 2468613 2575944 2719052 2821272 2839626 3118248 3291484 3312897 3456936 3495924 3690142 3786168 4078578 4184712 4231908 4417196 4467014 4937226 5438104 5535213 5679252 6117867 6582968 6625794 6700521 6991848 7380284 7405839 8157156 8463816 8834392 8934028 9874452 9938691 11070426 11358504 12235734 12915497 13251588 13401042 14760568 14811678 15634549 16314312 16605639 17868056 19748904 19877382 20101563 22140852 24471468 25830994 26503176 26802084 29623356 31269098 33211278 38746491 39754764 40203126 42436633 44281704 46903647 48942936 51661988 53604168 59246712 62538196 66422556 77492982 79509528 80406252 84873266 93807294 103323976 116239473 125076392 127309899 132845112 140710941 154985964 160812504 169746532 187614588 232478946 254619798 281421882 297056431 309971928 339493064 375229176 381929697 464957892 509239596 562843764 594112862 763859394 891169293 929915784 1018479192 1125687528 1188225724 1527718788 1782338586 2376451448 2673507879 3055437576 3564677172 5347015758 7129354344 10694031516 21388063032
• Sum of all divisors σ(n): 73187712000
• Sum of proper divisors (its aliquot sum) s(n): 51799648968
• 21388063032 is an abundant number, because the sum of its proper divisors (51799648968) is greater than itself. Its abundance is 30411585936

Bases of 21388063032

• Binary: 10011111010110100111111000100111000₂
• Hexadecimal: 0x4FAD3F138
• Base-36: 9TPWF20

Squares and roots of 21388063032

• 21388063032 squared (21388063032²) is 457449240260805033024
• 21388063032 cubed (21388063032³) is 9783953184638610165380153568768
• The square root of 21388063032 is 146246.5829754665
• The cube root of 21388063032 is 2775.8147879625

Scales and comparisons

• 21,388,063,032 seconds is equal to 680 years, 3 weeks, 6 days, 37 minutes, 12 seconds.
• To count from 1 to 21,388,063,032 would take you about one thousand, three hundred sixty 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 21388063032 cubic inches would be around 231.3 feet tall.

Recreational maths with 21388063032

• 21388063032 backwards is 23036088312
• 21388063032 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21388063032's digits is 36
• More coming soon!