21445862620

Names of 21445862620

• Cardinal: 21445862620 can be written as Twenty-one billion, four hundred forty-five million, eight hundred sixty-two thousand, six hundred twenty.

Scientific notation

• Scientific notation: 2.144586262 × 10¹⁰

Factors of 21445862620

• Number of distinct prime factors ω(n): 8
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 299

Divisors of 21445862620

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 4 5 7 10 13 14 20 26 28 31 35 41 52 62 65 70 73 82 91 124 127 130 140 146 155 164 182 205 217 254 260 287 292 310 364 365 403 410 434 455 508 511 533 574 620 635 730 806 820 868 889 910 949 1022 1066 1085 1148 1270 1271 1435 1460 1612 1651 1778 1820 1898 2015 2044 2132 2170 2263 2540 2542 2555 2665 2821 2870 2993 3302 3556 3731 3796 3937 4030 4340 4445 4526 4745 5084 5110 5207 5330 5642 5740 5986 6355 6604 6643 7462 7874 8060 8255 8890 8897 9052 9271 9490 10220 10414 10660 11284 11315 11557 11972 12710 13286 14105 14924 14965 15748 15841 16510 16523 17780 17794 18542 18655 18980 19685 20828 20951 22630 23114 25420 26035 26572 27559 28210 29419 29930 31682 33020 33046 33215 35588 36449 37084 37310 38909 39370 41902 44485 45260 46228 46355 51181 52070 55118 56420 57785 58838 59860 63364 64897 66092 66430 67691 72898 74620 77818 78740 79205 82615 83804 88970 92710 92783 102362 104140 104755 110236 115570 115661 117676 120523 129794 132860 135382 137795 145796 147095 155636 158410 161417 165230 177940 182245 185420 185566 194545 204724 205933 209510 231140 231322 241046 255905 259588 270764 272363 275590 287401 294190 316820 322834 324485 330460 338455 358267 364490 371132 380111 389090 411866 419020 462644 463915 473837 482092 511810 544726 551180 574802 578305 588380 602615 645668 648970 649481 676910 716534 728980 760222 778180 807085 823732 843661 927830 947674 1023620 1029665 1089452 1129919 1149604 1156610 1205230 1206179 1297940 1298962 1353820 1361815 1433068 1437005 1520444 1614170 1687322 1791335 1855660 1895348 1900555 2011807 2059330 2098421 2259838 2313220 2369185 2410460 2412358 2597924 2660777 2723630 2874010 3228340 3247405 3374644 3582670 3736213 3801110 4023614 4118660 4196842 4218305 4519676 4738370 4824716 4941443 5321554 5447260 5649595 5748020 6030895 6494810 7165340 7472426 7602220 8047228 8393684 8436610 8443253 9476740 9882886 10059035 10492105 10643108 11299190 11783441 12061790 12989620 13303885 14688947 14944852 16873220 16886506 18681065 19765772 20118070 20984210 22598380 23566882 24123580 24707215 26153491 26607770 29377894 33773012 34590101 37362130 40236140 41968420 42216265 47133764 49414430 52306982 53215540 58755788 58917205 69180202 73444735 74724260 82484087 84432530 98828860 104613964 117834410 130767455 138360404 146889470 153184733 164968174 168865060 172950505 235668820 261534910 293778940 306369466 329936348 345901010 412420435 523069820 612738932 691802020 765923665 824840870 1072293131 1531847330 1649681740 2144586262 3063694660 4289172524 5361465655 10722931310 21445862620
• Sum of all divisors σ(n): 59883651072
• Sum of proper divisors (its aliquot sum) s(n): 38437788452
• 21445862620 is an abundant number, because the sum of its proper divisors (38437788452) is greater than itself. Its abundance is 16991925832

Bases of 21445862620

• Binary: 10011111110010001011110010011011100₂
• Hexadecimal: 0x4FE45E4DC
• Base-36: 9UOB9I4

Squares and roots of 21445862620

• 21445862620 squared (21445862620²) is 459925023515913264400
• 21445862620 cubed (21445862620³) is 9863488869822545252158136728000
• The square root of 21445862620 is 146444.0596951615
• The cube root of 21445862620 is 2778.3130138973

Scales and comparisons

• 21,445,862,620 seconds is equal to 681 years, 47 weeks, 3 days, 3 minutes, 40 seconds.
• To count from 1 to 21,445,862,620 would take you about one thousand, three hundred sixty-three 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 21445862620 cubic inches would be around 231.5 feet tall.

Recreational maths with 21445862620

• 21445862620 backwards is 02626854412
• The number of decimal digits it has is: 11
• The sum of 21445862620's digits is 40
• More coming soon!