189891072

Names of 189891072

• Cardinal: 189891072 can be written as One hundred eighty-nine million, eight hundred ninety-one thousand and seventy-two.

Scientific notation

• Scientific notation: 1.89891072 × 10⁸

Factors of 189891072

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 41

Divisors of 189891072

• Number of divisors d(n): 270
• Complete list of divisors:
  1 2 3 4 6 7 8 9 12 14 16 18 21 24 28 29 32 36 42 48 49 56 58 63 64 72 84 87 96 98 112 116 126 128 144 147 168 174 192 196 203 224 232 252 256 261 288 294 336 348 384 392 406 441 448 464 504 512 522 576 588 609 672 696 768 784 812 841 882 896 928 1008 1044 1152 1176 1218 1344 1392 1421 1536 1568 1624 1682 1764 1792 1827 1856 2016 2088 2304 2352 2436 2523 2688 2784 2842 3136 3248 3364 3528 3584 3654 3712 4032 4176 4263 4608 4704 4872 5046 5376 5568 5684 5887 6272 6496 6728 7056 7308 7424 7569 8064 8352 8526 9408 9744 10092 10752 11136 11368 11774 12544 12789 12992 13456 14112 14616 14848 15138 16128 16704 17052 17661 18816 19488 20184 22272 22736 23548 25088 25578 25984 26912 28224 29232 30276 32256 33408 34104 35322 37632 38976 40368 41209 44544 45472 47096 51156 51968 52983 53824 56448 58464 60552 66816 68208 70644 75264 77952 80736 82418 90944 94192 102312 103936 105966 107648 112896 116928 121104 123627 133632 136416 141288 155904 161472 164836 181888 188384 204624 211932 215296 225792 233856 242208 247254 272832 282576 311808 322944 329672 363776 370881 376768 409248 423864 430592 467712 484416 494508 545664 565152 645888 659344 727552 741762 753536 818496 847728 935424 968832 989016 1091328 1130304 1291776 1318688 1483524 1507072 1636992 1695456 1937664 1978032 2182656 2260608 2637376 2967048 3014144 3273984 3390912 3875328 3956064 4521216 5274752 5934096 6547968 6781824 7912128 9042432 10549504 11868192 13563648 15824256 21099008 23736384 27127296 31648512 47472768 63297024 94945536 189891072
• Sum of all divisors σ(n): 660255453
• Sum of proper divisors (its aliquot sum) s(n): 470364381
• 189891072 is an abundant number, because the sum of its proper divisors (470364381) is greater than itself. Its abundance is 280473309

Bases of 189891072

• Binary: 1011010100011000001000000000₂
• Hexadecimal: 0xB518200
• Base-36: 3520W0

Squares and roots of 189891072

• 189891072 squared (189891072²) is 36058619225309184
• 189891072 cubed (189891072³) is 6847209859533770481205248
• The square root of 189891072 is 13780.0969517635
• The cube root of 189891072 is 574.7798244611

Scales and comparisons

• 189,891,072 seconds is equal to 6 years, 1 week, 6 days, 19 hours, 31 minutes, 12 seconds.
• To count from 1 to 189,891,072 would take you about nine 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 189891072 cubic inches would be around 47.9 feet tall.

Recreational maths with 189891072

• 189891072 backwards is 270198981
• The number of decimal digits it has is: 9
• The sum of 189891072's digits is 45
• More coming soon!