21010315248

Names of 21010315248

• Cardinal: 21010315248 can be written as Twenty-one billion, ten million, three hundred fifteen thousand, two hundred forty-eight.

Scientific notation

• Scientific notation: 2.1010315248 × 10¹⁰

Factors of 21010315248

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 222

Divisors of 21010315248

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 16 18 24 26 27 36 39 47 48 52 54 72 78 81 94 104 108 117 141 144 156 157 162 169 188 208 216 234 282 312 314 324 338 351 376 423 432 468 471 507 564 611 624 628 648 676 702 752 846 936 942 1014 1053 1128 1222 1256 1269 1296 1352 1404 1413 1521 1692 1833 1872 1884 2028 2041 2106 2197 2256 2444 2512 2538 2704 2808 2826 3042 3384 3666 3768 3807 4056 4082 4212 4239 4394 4563 4888 5076 5499 5616 5652 6084 6123 6591 6768 7332 7379 7536 7614 7943 8112 8164 8424 8478 8788 9126 9776 10152 10998 11304 12168 12246 12717 13182 13689 14664 14758 15228 15886 16328 16497 16848 16956 17576 18252 18369 19773 20304 21996 22137 22608 23829 24336 24492 25434 26364 26533 27378 29328 29516 30456 31772 32656 32994 33912 35152 36504 36738 39546 43992 44274 47658 48984 49491 50868 52728 53066 54756 55107 59032 59319 60912 63544 65988 66411 67824 71487 73008 73476 79092 79599 87984 88548 95316 95927 97968 98982 101736 103259 105456 106132 109512 110214 118064 118638 127088 131976 132822 142974 146952 158184 159198 165321 177096 177957 190632 191854 197964 199233 203472 206518 212264 214461 219024 220428 237276 238797 263952 265644 285948 287781 293904 309777 316368 318396 330642 344929 354192 355914 381264 383708 395928 398466 413036 424528 428922 440856 474552 477594 531288 571896 575562 597699 619554 636792 643383 661284 689858 711828 716391 767416 791856 796932 826072 857844 863343 881712 929331 949104 955188 1034787 1062576 1143792 1151124 1195398 1239108 1247051 1273584 1286766 1322568 1379716 1423656 1432782 1534832 1593864 1652144 1715688 1726686 1858662 1910376 2069574 2149173 2302248 2390796 2478216 2494102 2573532 2590029 2645136 2759432 2787993 2847312 2865564 3104361 3187728 3431376 3453372 3717324 3741153 3820752 4139148 4298346 4604496 4781592 4956432 4988204 5147064 5180058 5518864 5575986 5731128 6208722 6906744 7434648 7482306 7770087 8278296 8363979 8596692 9313083 9563184 9976408 10294128 10360116 11151972 11223459 11462256 12417444 13813488 14869296 14964612 15540174 16211663 16556592 16727958 17193384 18626166 19952816 20720232 22303944 22446918 24834888 27939249 29929224 31080348 32423326 33455916 33670377 34386768 37252332 41440464 44607888 44893836 48634989 49669776 55878498 59858448 62160696 64846652 66911832 67340754 74504664 89787672 97269978 101011131 111756996 124321392 129693304 133823664 134681508 145904967 149009328 179575344 194539956 202022262 223513992 259386608 269363016 291809934 389079912 404044524 437714901 447027984 538726032 583619868 778159824 808089048 875429802 1167239736 1313144703 1616178096 1750859604 2334479472 2626289406 3501719208 5252578812 7003438416 10505157624 21010315248
• Sum of all divisors σ(n): 67705249920
• Sum of proper divisors (its aliquot sum) s(n): 46694934672
• 21010315248 is an abundant number, because the sum of its proper divisors (46694934672) is greater than itself. Its abundance is 25684619424

Bases of 21010315248

• Binary: 10011100100010011111111011111110000₂
• Hexadecimal: 0x4E44FF7F0
• Base-36: 9NGZZ00

Squares and roots of 21010315248

• 21010315248 squared (21010315248²) is 441433346820341301504
• 21010315248 cubed (21010315248³) is 9274653777675089163553656532992
• The square root of 21010315248 is 144949.3540792785
• The cube root of 21010315248 is 2759.3758323915

Scales and comparisons

• 21,010,315,248 seconds is equal to 668 years, 3 weeks, 1 day, 22 hours, 40 minutes, 48 seconds.
• To count from 1 to 21,010,315,248 would take you about one thousand, three hundred thirty-six 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 21010315248 cubic inches would be around 229.9 feet tall.

Recreational maths with 21010315248

• 21010315248 backwards is 84251301012
• 21010315248 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21010315248's digits is 27
• More coming soon!