21652749312

Names of 21652749312

• Cardinal: 21652749312 can be written as Twenty-one billion, six hundred fifty-two million, seven hundred forty-nine thousand, three hundred twelve.

Scientific notation

• Scientific notation: 2.1652749312 × 10¹⁰

Factors of 21652749312

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 51

Divisors of 21652749312

• Number of divisors d(n): 264
• Complete list of divisors:
  1 2 3 4 6 8 12 16 17 24 29 32 34 48 51 58 64 68 87 96 102 116 128 136 174 192 204 232 256 272 289 348 384 408 464 493 512 544 578 696 768 816 841 867 928 986 1024 1088 1156 1392 1479 1536 1632 1682 1734 1856 1972 2176 2312 2523 2784 2958 3072 3264 3364 3468 3712 3944 4352 4624 5046 5568 5916 6528 6728 6936 7424 7888 8381 8704 9248 10092 11136 11832 13056 13456 13872 14297 14848 15776 16762 17408 18496 20184 22272 23664 24389 25143 26112 26912 27744 28594 29696 31552 33524 36992 40368 42891 44544 47328 48778 50286 52224 53824 55488 57188 63104 67048 73167 73984 80736 85782 89088 94656 97556 100572 107648 110976 114376 126208 134096 146334 147968 161472 171564 189312 195112 201144 215296 221952 228752 243049 252416 268192 292668 295936 322944 343128 378624 390224 402288 414613 430592 443904 457504 486098 504832 536384 585336 645888 686256 729147 757248 780448 804576 829226 861184 887808 915008 972196 1072768 1170672 1243839 1291776 1372512 1458294 1514496 1560896 1609152 1658452 1830016 1944392 2145536 2341344 2487678 2583552 2745024 2916588 3121792 3218304 3316904 3660032 3888784 4291072 4682688 4975356 5490048 5833176 6243584 6436608 6633808 7048421 7320064 7777568 8582144 9365376 9950712 10980096 11666352 12487168 12873216 13267616 14096842 14640128 15555136 18730752 19901424 21145263 21960192 23332704 24974336 25746432 26535232 28193684 31110272 37461504 39802848 42290526 43920384 46665408 53070464 56387368 62220544 74923008 79605696 84581052 93330816 106140928 112774736 124441088 159211392 169162104 186661632 212281856 225549472 248882176 318422784 338324208 373323264 424563712 451098944 636845568 676648416 746646528 902197888 1273691136 1353296832 1804395776 2706593664 3608791552 5413187328 7217583104 10826374656 21652749312
• Sum of all divisors σ(n): 63496466160
• Sum of proper divisors (its aliquot sum) s(n): 41843716848
• 21652749312 is an abundant number, because the sum of its proper divisors (41843716848) is greater than itself. Its abundance is 20190967536

Bases of 21652749312

• Binary: 10100001010100110101011110000000000₂
• Hexadecimal: 0x50A9ABC00
• Base-36: 9Y3HKAO

Squares and roots of 21652749312

• 21652749312 squared (21652749312²) is 468841552768316473344
• 21652749312 cubed (21652749312³) is 10151708609141176213597562339328
• The square root of 21652749312 is 147148.7319415293
• The cube root of 21652749312 is 2787.2184999759

Scales and comparisons

• 21,652,749,312 seconds is equal to 688 years, 25 weeks, 3 days, 12 hours, 35 minutes, 12 seconds.
• To count from 1 to 21,652,749,312 would take you about one thousand, three hundred seventy-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 21652749312 cubic inches would be around 232.3 feet tall.

Recreational maths with 21652749312

• 21652749312 backwards is 21394725612
• The number of decimal digits it has is: 11
• The sum of 21652749312's digits is 42
• More coming soon!