18137986416

Names of 18137986416

• Cardinal: 18137986416 can be written as Eighteen billion, one hundred thirty-seven million, nine hundred eighty-six thousand, four hundred sixteen.

Scientific notation

• Scientific notation: 1.8137986416 × 10¹⁰

Factors of 18137986416

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 19507

Divisors of 18137986416

• Number of divisors d(n): 240
• Complete list of divisors:
  1 2 3 4 6 8 9 11 12 16 18 19 22 24 31 33 36 38 44 48 57 62 66 72 76 88 93 99 114 124 132 144 152 171 176 186 198 209 228 248 264 279 304 341 342 372 396 418 456 496 528 558 589 627 682 684 744 792 836 912 1023 1116 1178 1254 1364 1368 1488 1584 1672 1767 1881 2046 2232 2356 2508 2728 2736 3069 3344 3534 3762 4092 4464 4712 5016 5301 5456 6138 6479 7068 7524 8184 9424 10032 10602 12276 12958 14136 15048 16368 19437 19441 21204 24552 25916 28272 30096 38874 38882 42408 49104 51832 58311 58323 77748 77764 84816 103664 116622 116646 155496 155528 174969 213851 233244 233292 310992 311056 349938 369379 427702 466488 466584 602671 641553 699876 738758 855404 932976 933168 1108137 1205342 1283106 1399752 1477516 1710808 1808013 1924659 2216274 2410684 2566212 2799504 2955032 3324411 3421616 3616026 3849318 4063169 4432548 4821368 5132424 5424039 5910064 6629381 6648822 7232052 7698636 8126338 8865096 9642736 10264848 10848078 11450749 12189507 13258762 13297644 14464104 15397272 16252676 17730192 19888143 21696156 22901498 24379014 26517524 26595288 28928208 30794544 32505352 34352247 36568521 39776286 43392312 45802996 48758028 53035048 53190576 59664429 65010704 68704494 73137042 79552572 86784624 91605992 97516056 103056741 106070096 119328858 125958239 137408988 146274084 159105144 183211984 195032112 206113482 238657716 251916478 274817976 292548168 318210288 377874717 412226964 477315432 503832956 549635952 585096336 755749434 824453928 954630864 1007665912 1133624151 1511498868 1648907856 2015331824 2267248302 3022997736 4534496604 6045995472 9068993208 18137986416
• Sum of all divisors σ(n): 60173767680
• Sum of proper divisors (its aliquot sum) s(n): 42035781264
• 18137986416 is an abundant number, because the sum of its proper divisors (42035781264) is greater than itself. Its abundance is 23897794848

Bases of 18137986416

• Binary: 10000111001000110111011010101110000₂
• Hexadecimal: 0x4391BB570
• Base-36: 8BYVZW0

Squares and roots of 18137986416

• 18137986416 squared (18137986416²) is 328986551227000525056
• 18137986416 cubed (18137986416³) is 5967153597202023655890595639296
• The square root of 18137986416 is 134677.3418805109
• The cube root of 18137986416 is 2627.4211453479

Scales and comparisons

• 18,137,986,416 seconds is equal to 576 years, 38 weeks, 9 hours, 33 minutes, 36 seconds.
• To count from 1 to 18,137,986,416 would take you about one thousand, one hundred fifty-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 18137986416 cubic inches would be around 219 feet tall.

Recreational maths with 18137986416

• 18137986416 backwards is 61468973181
• The number of decimal digits it has is: 11
• The sum of 18137986416's digits is 54
• More coming soon!