18001015396

Names of 18001015396

• Cardinal: 18001015396 can be written as Eighteen billion, one million, fifteen thousand, three hundred ninety-six.

Scientific notation

• Scientific notation: 1.8001015396 × 10¹⁰

Factors of 18001015396

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 167

Divisors of 18001015396

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 4 7 13 14 26 28 31 41 52 62 73 82 91 124 146 164 169 182 217 287 292 338 364 403 434 511 533 574 676 806 868 949 1022 1066 1148 1183 1271 1612 1681 1898 2044 2132 2263 2366 2542 2821 2993 3362 3731 3796 4526 4732 5084 5239 5642 5986 6643 6724 6929 7462 8897 9052 10478 11284 11767 11972 12337 13286 13858 14924 15841 16523 17794 20951 20956 21853 23534 24674 26572 27716 29419 31682 33046 35588 36673 38909 41902 43706 47068 48503 49348 52111 58838 63364 66092 73346 77818 83804 86359 87412 92783 97006 104222 115661 117676 122713 146692 152971 155636 172718 185566 194012 205933 208444 214799 231322 245426 272363 284089 305942 345436 364777 371132 382447 411866 429598 462644 490852 505817 544726 568178 611884 649481 677443 729554 764894 823732 858991 859196 1011634 1089452 1136356 1206179 1298962 1354886 1459108 1503593 1529788 1595269 1717982 1988623 2023268 2412358 2597924 2677129 2709772 3007186 3190538 3435964 3540719 3804103 3977246 4742101 4824716 5354258 6014372 6381076 7081438 7608206 7954492 8443253 8806759 9484202 10708516 11166883 14162876 15216412 15680327 16886506 17613518 18968404 20738497 22333766 26628721 31360654 33773012 35227036 41476994 44667532 49453339 53257442 61647313 62721308 82953988 98906678 106514884 109762289 123294626 145169479 197813356 219524578 246589252 290338958 346173373 439049156 580677916 642893407 692346746 1285786814 1384693492 2571573628 4500253849 9000507698 18001015396
• Sum of all divisors σ(n): 41812495872
• Sum of proper divisors (its aliquot sum) s(n): 23811480476
• 18001015396 is an abundant number, because the sum of its proper divisors (23811480476) is greater than itself. Its abundance is 5810465080

Bases of 18001015396

• Binary: 10000110000111100011011001001100100₂
• Hexadecimal: 0x430F1B264
• Base-36: 89PC8DG

Squares and roots of 18001015396

• 18001015396 squared (18001015396²) is 324036555287029036816
• 18001015396 cubed (18001015396³) is 5832987020588614890823866819136
• The square root of 18001015396 is 134167.8627540887
• The cube root of 18001015396 is 2620.7906727329

Scales and comparisons

• 18,001,015,396 seconds is equal to 572 years, 19 weeks, 4 days, 2 hours, 3 minutes, 16 seconds.
• To count from 1 to 18,001,015,396 would take you about one thousand, one hundred forty-four 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 18001015396 cubic inches would be around 218.4 feet tall.

Recreational maths with 18001015396

• 18001015396 backwards is 69351010081
• The number of decimal digits it has is: 11
• The sum of 18001015396's digits is 34
• More coming soon!