389168987168

Names of 389168987168

• Cardinal: 389168987168 can be written as Three hundred eighty-nine billion, one hundred sixty-eight million, nine hundred eighty-seven thousand, one hundred sixty-eight.

Scientific notation

• Scientific notation: 3.89168987168 × 10¹¹

Factors of 389168987168

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 414

Divisors of 389168987168

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 4 8 13 16 19 26 32 38 52 73 76 104 146 152 169 208 247 292 304 307 338 416 494 584 608 614 676 949 988 1168 1228 1352 1387 1898 1976 2197 2336 2456 2704 2774 3211 3796 3952 3991 4394 4912 5408 5548 5833 6422 7592 7904 7982 8788 9824 11096 11666 12337 12844 15184 15964 17576 18031 22192 22411 23332 24674 25688 28561 30368 31928 35152 36062 41743 44384 44822 46664 49348 51376 51883 57122 63856 70304 72124 75829 83486 89644 93328 98696 102752 103766 114244 127712 144248 151658 160381 166972 179288 186656 197392 207532 228488 234403 288496 291343 303316 320762 333944 358576 394784 415064 425809 456976 468806 542659 576992 582686 606632 641524 667888 674479 717152 830128 851618 913952 937612 985777 1085318 1165372 1213264 1283048 1335776 1348958 1660256 1703236 1875224 1971554 2084953 2170636 2330744 2426528 2566096 2697916 3047239 3406472 3750448 3787459 3943108 4169906 4341272 4661488 5132192 5395832 5535517 6094478 6812944 7500896 7574918 7886216 8339812 8682544 8768227 9322976 10791664 11071034 12188956 12815101 13625888 15149836 15772432 16679624 17365088 17536454 21583328 22142068 24377912 25630202 30299672 31544864 33359248 35072908 39614107 44284136 48755824 49236967 51260404 60599344 66718496 70145816 71961721 79228214 88568272 97511648 98473934 102520808 121198688 140291632 143923442 158456428 166596313 177136544 196947868 205041616 280583264 287846884 316912856 333192626 393895736 410083232 575693768 633825712 640080571 666385252 787791472 935502373 1151387536 1267651424 1280161142 1332770504 1575582944 1871004746 2302775072 2560322284 2665541008 3742009492 5120644568 5331082016 7484018984 10241289136 12161530849 14968037968 20482578272 24323061698 29936075936 48646123396 97292246792 194584493584 389168987168
• Sum of all divisors σ(n): 888561162720
• Sum of proper divisors (its aliquot sum) s(n): 499392175552
• 389168987168 is an abundant number, because the sum of its proper divisors (499392175552) is greater than itself. Its abundance is 110223188384

Bases of 389168987168

• Binary: 101101010011100010001110111110000100000₂
• Hexadecimal: 0x5A9C477C20
• Base-36: 4YS560BK

Squares and roots of 389168987168

• 389168987168 squared (389168987168²) is 151452500573366948660224
• 389168987168 cubed (389168987168³) is 58940616252198154685706028648005632
• The square root of 389168987168 is 623834.1022804059
• The cube root of 389168987168 is 7300.9505684539

Scales and comparisons

• 389,168,987,168 seconds is equal to 12,374 years, 19 weeks, 1 day, 16 hours, 26 minutes, 8 seconds.
• To count from 1 to 389,168,987,168 would take you about twenty-four thousand, seven hundred forty-eight 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 389168987168 cubic inches would be around 608.4 feet tall.

Recreational maths with 389168987168

• 389168987168 backwards is 861789861983
• The number of decimal digits it has is: 12
• The sum of 389168987168's digits is 74
• More coming soon!