12918998358

Names of 12918998358

• Cardinal: 12918998358 can be written as Twelve billion, nine hundred eighteen million, nine hundred ninety-eight thousand, three hundred fifty-eight.

Scientific notation

• Scientific notation: 1.2918998358 × 10¹⁰

Factors of 12918998358

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 3624

Divisors of 12918998358

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 6 7 9 14 18 19 21 29 38 42 53 57 58 63 87 106 114 126 133 159 171 174 203 261 266 318 342 371 399 406 477 522 551 609 742 798 954 1007 1102 1113 1197 1218 1537 1653 1827 2014 2226 2394 3021 3074 3306 3339 3511 3654 3857 4611 4959 6042 6678 7022 7049 7714 9063 9222 9918 10533 10759 11571 13833 14098 18126 21066 21147 21518 23142 24577 27666 29203 31599 32277 34713 42294 49154 58406 63198 63441 64554 66709 69426 73731 87609 96831 101819 126882 133418 147462 175218 186083 193662 200127 203638 204421 221193 262827 305457 372166 400254 408842 442386 466963 525654 558249 600381 610914 613263 712733 916371 933926 1116498 1200762 1226526 1302581 1400889 1425466 1674747 1832742 1839789 1934561 2138199 2605162 2801778 3349494 3535577 3679578 3869122 3907743 4202667 4276398 5396407 5803683 6414597 7071154 7815486 8405334 10606731 10792814 11607366 11723229 12829194 13541927 16189221 17411049 21213462 23446458 24749039 27083854 31820193 32378442 34822098 37774849 40625781 48567663 49498078 63640386 74247117 75549698 81251562 97135326 102531733 113324547 121877343 148494234 205063466 222741351 226649094 243754686 307595199 339973641 445482702 615190398 679947282 717722131 922785597 1435444262 1845571194 2153166393 4306332786 6459499179 12918998358
• Sum of all divisors σ(n): 35502105600
• Sum of proper divisors (its aliquot sum) s(n): 22583107242
• 12918998358 is an abundant number, because the sum of its proper divisors (22583107242) is greater than itself. Its abundance is 9664108884

Bases of 12918998358

• Binary: 1100000010000010000100010101010110₂
• Hexadecimal: 0x302084556
• Base-36: 5XNMYXI

Squares and roots of 12918998358

• 12918998358 squared (12918998358²) is 166900518574006696164
• 12918998358 cubed (12918998358³) is 2156187525406941009223720898712
• The square root of 12918998358 is 113661.7717528633
• The cube root of 12918998358 is 2346.4408690401

Scales and comparisons

• 12,918,998,358 seconds is equal to 410 years, 40 weeks, 5 days, 10 hours, 39 minutes, 18 seconds.
• To count from 1 to 12,918,998,358 would take you about eight hundred twenty-one 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 12918998358 cubic inches would be around 195.5 feet tall.

Recreational maths with 12918998358

• 12918998358 backwards is 85389981921
• 12918998358 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 12918998358's digits is 63
• More coming soon!