389942991612

Names of 389942991612

• Cardinal: 389942991612 can be written as Three hundred eighty-nine billion, nine hundred forty-two million, nine hundred ninety-one thousand, six hundred twelve.

Scientific notation

• Scientific notation: 3.89942991612 × 10¹¹

Factors of 389942991612

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 88

Divisors of 389942991612

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 9 12 17 18 19 34 36 38 47 51 57 68 76 94 102 114 141 153 171 188 204 228 282 289 306 323 342 361 423 564 578 612 646 684 722 799 846 867 893 969 1083 1156 1292 1444 1598 1692 1734 1786 1938 2166 2209 2397 2601 2679 2907 3196 3249 3468 3572 3876 4332 4418 4794 5202 5358 5491 5814 6137 6498 6627 7191 8037 8836 9588 10404 10716 10982 11628 12274 12996 13254 13583 14382 15181 16074 16473 16967 18411 19881 21964 24548 26508 27166 28764 30362 32148 32946 33934 36822 37553 39762 40749 41971 45543 49419 50901 54332 55233 60724 65892 67868 73644 75106 79524 81498 83942 91086 98838 101802 103823 104329 110466 112659 122247 125913 136629 150212 152703 162996 167884 182172 197676 203604 207646 208658 220932 225318 244494 251826 258077 273258 288439 305406 311469 312987 337977 377739 415292 417316 450636 488988 503652 516154 546516 576878 610812 622938 625974 638401 675954 713507 755478 774231 797449 865317 934407 938961 1032308 1153756 1245876 1251948 1276802 1351908 1427014 1510956 1548462 1594898 1730634 1764991 1868814 1877922 1915203 1972637 2140521 2322693 2392347 2553604 2595951 2854028 3096924 3189796 3461268 3529982 3737628 3755844 3830406 3945274 4281042 4645386 4784694 4903463 5191902 5294973 5745609 5917911 6421563 7059964 7177041 7660812 7890548 8562084 9290772 9569388 9806926 10383804 10589946 11491218 11835822 12129619 12843126 13556633 14354082 14710389 15884919 17753733 19613852 21179892 22982436 23671644 24259238 25686252 27113266 28708164 29420778 30004847 31769838 33534829 35507466 36388857 37480103 40669899 44131167 48518476 54226532 58841556 60009694 63539676 67069658 71014932 72777714 74960206 81339798 88262334 90014541 100604487 109166571 112440309 120019388 122009697 134139316 145555428 149920412 162679596 176524668 180029082 201208974 218333142 224880618 230462761 244019394 270043623 301813461 337320927 360058164 402417948 436666284 449761236 460925522 488038788 540087246 570092093 603626922 637161751 674641854 691388283 921851044 1080174492 1140184186 1207253844 1274323502 1349283708 1382776566 1710276279 1911485253 2074164849 2280368372 2548647004 2765553132 3420552558 3822970506 4148329698 5130828837 5734455759 6841105116 7645941012 8296659396 10261657674 10831749767 11468911518 20523315348 21663499534 22937823036 32495249301 43326999068 64990498602 97485747903 129980997204 194971495806 389942991612
• Sum of all divisors σ(n): 1129115201760
• Sum of proper divisors (its aliquot sum) s(n): 739172210148
• 389942991612 is an abundant number, because the sum of its proper divisors (739172210148) is greater than itself. Its abundance is 349229218536

Bases of 389942991612

• Binary: 101101011001010011010011101101011111100₂
• Hexadecimal: 0x5ACA69DAFC
• Base-36: 4Z4XZLZ0

Squares and roots of 389942991612

• 389942991612 squared (389942991612²) is 152055536707316302358544
• 389942991612 cubed (389942991612³) is 59292990874819198989628578808532928
• The square root of 389942991612 is 624454.1549321295
• The cube root of 389942991612 is 7305.7875640083

Scales and comparisons

• 389,942,991,612 seconds is equal to 12,398 years, 51 weeks, 1 hour, 40 minutes, 12 seconds.
• To count from 1 to 389,942,991,612 would take you about twenty-four thousand, seven hundred ninety-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 389942991612 cubic inches would be around 608.8 feet tall.

Recreational maths with 389942991612

• 389942991612 backwards is 216199249983
• The number of decimal digits it has is: 12
• The sum of 389942991612's digits is 63
• More coming soon!