21730489620

Names of 21730489620

• Cardinal: 21730489620 can be written as Twenty-one billion, seven hundred thirty million, four hundred eighty-nine thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.173048962 × 10¹⁰

Factors of 21730489620

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 109

Divisors of 21730489620

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 7 10 12 14 15 19 20 21 28 30 35 38 42 49 57 60 70 73 76 84 95 98 105 114 133 140 146 147 190 196 210 219 228 245 266 285 292 294 365 380 399 420 438 490 511 532 570 588 665 730 735 798 876 931 980 1022 1095 1140 1330 1387 1460 1470 1533 1596 1862 1995 2044 2190 2555 2660 2774 2793 2940 3066 3577 3724 3990 4161 4380 4655 5110 5329 5548 5586 6132 6935 7154 7665 7980 8322 9310 9709 10220 10658 10731 11172 13870 13965 14308 15330 15987 16644 17885 18620 19418 20805 21316 21462 26645 27740 27930 29127 30660 31974 35770 37303 38836 41610 42924 48545 53290 53655 55860 58254 63948 67963 71540 74606 79935 83220 97090 101251 106580 107310 111909 116508 135926 145635 149212 159870 186515 194180 202502 203889 214620 223818 261121 271852 291270 303753 319740 339815 373030 389017 405004 407778 447636 506255 522242 559545 582540 607506 679630 708757 746060 778034 783363 815556 1012510 1019445 1044484 1119090 1167051 1215012 1305605 1359260 1417514 1518765 1556068 1566726 1945085 2025020 2038890 2126271 2238180 2334102 2611210 2723119 2835028 3037530 3133452 3543785 3890170 3916815 4077780 4252542 4668204 4961299 5222420 5446238 5835255 6075060 7087570 7391323 7780340 7833630 8169357 8505084 9922598 10631355 10892476 11670510 13615595 14175140 14782646 14883897 15667260 16338714 19061833 19845196 21262710 22173969 23341020 24806495 27231190 29565292 29767794 32677428 36956615 38123666 40846785 42525420 44347938 49612990 51739261 54462380 57185499 59535588 73913230 74419485 76247332 81693570 88695876 95309165 99225980 103478522 110869845 114370998 147826460 148838970 155217783 163387140 190618330 206957044 221739690 228741996 258696305 285927495 297677940 310435566 362174827 381236660 443479380 517392610 571854990 620871132 724349654 776088915 1034785220 1086524481 1143709980 1448699308 1552177830 1810874135 2173048962 3104355660 3621748270 4346097924 5432622405 7243496540 10865244810 21730489620
• Sum of all divisors σ(n): 75539318400
• Sum of proper divisors (its aliquot sum) s(n): 53808828780
• 21730489620 is an abundant number, because the sum of its proper divisors (53808828780) is greater than itself. Its abundance is 32078339160

Bases of 21730489620

• Binary: 10100001111001111001111010100010100₂
• Hexadecimal: 0x50F3CF514
• Base-36: 9ZDRT3O

Squares and roots of 21730489620

• 21730489620 squared (21730489620²) is 472214179124927744400
• 21730489620 cubed (21730489620³) is 10261445317891063032934213128000
• The square root of 21730489620 is 147412.6508139651
• The cube root of 21730489620 is 2790.5501850441

Scales and comparisons

• 21,730,489,620 seconds is equal to 690 years, 50 weeks, 7 hours, 7 minutes.
• To count from 1 to 21,730,489,620 would take you about one thousand, three hundred eighty-one 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 21730489620 cubic inches would be around 232.5 feet tall.

Recreational maths with 21730489620

• 21730489620 backwards is 02698403712
• 21730489620 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 21730489620's digits is 42
• More coming soon!