389394511380

Names of 389394511380

• Cardinal: 389394511380 can be written as Three hundred eighty-nine billion, three hundred ninety-four million, five hundred eleven thousand, three hundred eighty.

Scientific notation

• Scientific notation: 3.8939451138 × 10¹¹

Factors of 389394511380

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 4616

Divisors of 389394511380

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 14 15 18 20 21 27 28 30 35 36 42 45 54 60 61 63 70 84 90 105 108 122 126 135 140 180 183 189 210 244 252 270 305 315 366 378 409 420 427 540 549 610 630 732 756 818 854 915 945 1098 1220 1227 1260 1281 1636 1647 1708 1830 1890 2045 2135 2196 2454 2562 2745 2863 3294 3660 3681 3780 3843 4090 4129 4270 4908 5124 5490 5726 6135 6405 6588 7362 7686 8180 8235 8258 8540 8589 10980 11043 11452 11529 12270 12387 12810 14315 14724 15372 16470 16516 17178 18405 19215 20645 22086 23058 24540 24774 24949 25620 25767 28630 28903 32940 34356 36810 37161 38430 41290 42945 44172 46116 49548 49898 51534 55215 57260 57645 57806 61935 73620 74322 74847 76860 77301 82580 85890 86709 99796 103068 110430 111483 115290 115612 123870 124745 128835 144515 148644 149694 154602 171780 173418 174643 185805 220860 222966 224541 230580 247740 249490 251869 257670 260127 289030 299388 309204 346836 349286 371610 374235 386505 433545 445932 449082 498980 503738 515340 520254 523929 557415 578060 673623 698572 743220 748470 755607 773010 780381 867090 873215 898164 1007476 1040508 1047858 1114830 1122705 1259345 1300635 1347246 1496940 1511214 1546020 1560762 1571787 1688761 1734180 1746430 1763083 2095716 2229660 2245410 2266821 2518690 2601270 2619645 2694492 3022428 3121524 3143574 3368115 3377522 3492860 3526166 3778035 3901905 4490820 4533642 4715361 5037380 5066283 5202540 5239290 5289249 6287148 6736230 6755044 6800463 7052332 7556070 7803810 7858935 8443805 8815415 9067284 9430722 10132566 10478580 10578498 11334105 11821327 13472460 13600926 15112140 15198849 15607620 15717870 15867747 16887610 17630830 18861444 20265132 21156996 22668210 23576805 23642654 25331415 26446245 27201852 30397698 31435740 31735494 33775220 34002315 35261660 35463981 45336420 45596547 47153610 47285308 47603241 50662830 52892490 59106635 60795396 63470988 68004630 70927962 75994245 79338735 91193094 94307220 95206482 101325660 103014421 105784980 106391943 118213270 136009260 141855924 151988490 158677470 177319905 182386188 190412964 206028842 212783886 227982735 236426540 238016205 303976980 309043263 317354940 319175829 354639810 412057684 425567772 455965470 476032410 515072105 531959715 618086526 638351658 709279620 721100947 911930940 927129789 952064820 1030144210 1063919430 1236173052 1276703316 1442201894 1545216315 1595879145 1854259578 2060288420 2127838860 2163302841 2781389367 2884403788 3090432630 3191758290 3605504735 3708519156 4326605682 4635648945 5562778734 6180865260 6383516580 6489908523 7211009470 8653211364 9271297890 10816514205 11125557468 12979817046 13906946835 14422018940 18542595780 19469725569 21633028410 25959634092 27813893670 32449542615 38939451138 43266056820 55627787340 64899085230 77878902276 97348627845 129798170460 194697255690 389394511380
• Sum of all divisors σ(n): 1410993024000
• Sum of proper divisors (its aliquot sum) s(n): 1021598512620
• 389394511380 is an abundant number, because the sum of its proper divisors (1021598512620) is greater than itself. Its abundance is 632204001240

Bases of 389394511380

• Binary: 101101010101001101110001011011000010100₂
• Hexadecimal: 0x5AA9B8B614
• Base-36: 4YVVFRX0

Squares and roots of 389394511380

• 389394511380 squared (389394511380²) is 151628085492868949504400
• 389394511380 cubed (389394511380³) is 59043144261980571066639731160072000
• The square root of 389394511380 is 624014.8326602501
• The cube root of 389394511380 is 7302.3606013039

Scales and comparisons

• 389,394,511,380 seconds is equal to 12,381 years, 28 weeks, 22 hours, 3 minutes.
• To count from 1 to 389,394,511,380 would take you about twenty-four thousand, seven 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 389394511380 cubic inches would be around 608.5 feet tall.

Recreational maths with 389394511380

• 389394511380 backwards is 083115493983
• 389394511380 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 389394511380's digits is 54
• More coming soon!