1988912450

Names of 1988912450

• Cardinal: 1988912450 can be written as One billion, nine hundred eighty-eight million, nine hundred twelve thousand, four hundred fifty.

Scientific notation

• Scientific notation: 1.98891245 × 10⁹

Factors of 1988912450

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 84

Divisors of 1988912450

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 5 7 10 14 17 25 34 35 49 50 53 70 85 98 106 119 170 175 238 245 265 289 350 371 425 490 530 578 595 742 833 850 901 1190 1225 1325 1445 1666 1802 1855 2023 2450 2597 2650 2809 2890 2975 3710 4046 4165 4505 5194 5618 5950 6307 7225 8330 9010 9275 10115 12614 12985 14045 14161 14450 15317 18550 19663 20230 20825 22525 25970 28090 28322 30634 31535 39326 41650 44149 45050 47753 50575 63070 64925 70225 70805 76585 88298 95506 98315 101150 107219 129850 137641 140450 141610 153170 157675 196630 214438 220745 238765 275282 315350 334271 354025 382925 441490 477530 491575 536095 668542 688205 708050 750533 765850 811801 983150 1072190 1103725 1193825 1376410 1501066 1623602 1671355 2207450 2339897 2387650 2680475 3342710 3441025 3752665 4059005 4679794 5360950 5682607 6882050 7505330 8118010 8356775 11365214 11699485 16713550 18763325 20295025 23398970 28413035 37526650 39778249 40590050 56826070 58497425 79556498 116994850 142065175 198891245 284130350 397782490 994456225 1988912450
• Sum of all divisors σ(n): 4659266241
• Sum of proper divisors (its aliquot sum) s(n): 2670353791
• 1988912450 is an abundant number, because the sum of its proper divisors (2670353791) is greater than itself. Its abundance is 681441341

Bases of 1988912450

• Binary: 1110110100011000110010101000010₂
• Hexadecimal: 0x768C6542
• Base-36: WW5AO2

Squares and roots of 1988912450

• 1988912450 squared (1988912450²) is 3955772733765002500
• 1988912450 cubed (1988912450³) is 7867685639555748846531125000
• The square root of 1988912450 is 44597.2246894355
• The cube root of 1988912450 is 1257.5884945767

Scales and comparisons

• 1,988,912,450 seconds is equal to 63 years, 12 weeks, 3 days, 19 hours, 40 minutes, 50 seconds.
• To count from 1 to 1,988,912,450 would take you about one hundred twenty-six 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 1988912450 cubic inches would be around 104.8 feet tall.

Recreational maths with 1988912450

• 1988912450 backwards is 0542198891
• The number of decimal digits it has is: 10
• The sum of 1988912450's digits is 47
• More coming soon!