21027774460

Names of 21027774460

• Cardinal: 21027774460 can be written as Twenty-one billion, twenty-seven million, seven hundred seventy-four thousand, four hundred sixty.

Scientific notation

• Scientific notation: 2.102777446 × 10¹⁰

Factors of 21027774460

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 380

Divisors of 21027774460

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 11 14 20 22 28 35 44 55 67 70 77 97 110 121 134 140 154 191 194 220 242 268 308 335 382 385 388 469 484 485 605 670 679 737 764 770 847 938 955 970 1067 1210 1337 1340 1358 1474 1540 1694 1876 1910 1940 2101 2134 2345 2420 2674 2716 2948 3388 3395 3685 3820 4202 4235 4268 4690 5159 5335 5348 6499 6685 6790 7370 7469 8107 8404 8470 9380 10318 10505 10670 11737 12797 12998 13370 13580 14707 14740 14938 16214 16940 18527 20636 21010 21340 23111 23474 25594 25795 25996 26740 29414 29876 32428 32495 37054 37345 40535 42020 45493 46222 46948 51188 51590 56749 58685 58828 63985 64990 71489 73535 74108 74690 81070 82159 89579 90986 92444 92635 103180 113498 115555 117370 127970 129689 129980 140767 142978 147070 149380 161777 162140 164318 179158 181972 185270 203797 226996 227465 231110 234740 255940 259378 281534 283745 285956 294140 323554 328636 357445 358316 370540 407594 410795 447895 454930 462220 500423 518756 563068 567490 647108 648445 703835 714890 786379 808885 815188 821590 895790 909860 985369 1000846 1018985 1134980 1241309 1296890 1407670 1426579 1429780 1548437 1572758 1617770 1643180 1791580 1970738 2001692 2037970 2241767 2482618 2502115 2593780 2815340 2853158 3096874 3145516 3235540 3931895 3941476 4075940 4483534 4926845 4965236 5004230 5504653 5706316 6193748 6206545 7132895 7742185 7863790 8689163 8967068 9853690 10008460 10839059 11009306 11208835 12413090 13654399 14265790 15484370 15692369 15727580 17378326 19707380 21678118 22018612 22417670 24826180 27308798 27523265 28531580 30968740 31384738 34756652 43356236 43445815 44835340 54195295 54617596 55046530 62769476 68271995 78461845 86891630 95580793 108390590 110093060 136543990 150198389 156923690 173783260 191161586 216781180 273087980 300396778 313847380 382323172 477903965 600793556 750991945 955807930 1051388723 1501983890 1911615860 2102777446 3003967780 4205554892 5256943615 10513887230 21027774460
• Sum of all divisors σ(n): 57177759744
• Sum of proper divisors (its aliquot sum) s(n): 36149985284
• 21027774460 is an abundant number, because the sum of its proper divisors (36149985284) is greater than itself. Its abundance is 15122210824

Bases of 21027774460

• Binary: 10011100101010110100101111111111100₂
• Hexadecimal: 0x4E55A5FFC
• Base-36: 9NRE6M4

Squares and roots of 21027774460

• 21027774460 squared (21027774460²) is 442167298740628291600
• 21027774460 cubed (21027774460³) is 9297794231505373754459912536000
• The square root of 21027774460 is 145009.5667878503
• The cube root of 21027774460 is 2760.1399521205

Scales and comparisons

• 21,027,774,460 seconds is equal to 668 years, 32 weeks, 1 day, 27 minutes, 40 seconds.
• To count from 1 to 21,027,774,460 would take you about one thousand, three hundred thirty-seven 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 21027774460 cubic inches would be around 230 feet tall.

Recreational maths with 21027774460

• 21027774460 backwards is 06447772012
• The number of decimal digits it has is: 11
• The sum of 21027774460's digits is 40
• More coming soon!