1221168200

Names of 1221168200

• Cardinal: 1221168200 can be written as One billion, two hundred twenty-one million, one hundred sixty-eight thousand, two hundred.

Scientific notation

• Scientific notation: 1.2211682 × 10⁹

Factors of 1221168200

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 367

Divisors of 1221168200

• Number of divisors d(n): 108
• Complete list of divisors:
  1 2 4 5 7 8 10 14 20 25 28 35 40 49 50 56 70 98 100 140 175 196 200 245 280 350 353 392 490 700 706 980 1225 1400 1412 1765 1960 2450 2471 2824 3530 4900 4942 7060 8825 9800 9884 12355 14120 17297 17650 19768 24710 34594 35300 49420 61775 69188 70600 86485 98840 123550 124609 138376 172970 247100 249218 345940 432425 494200 498436 623045 691880 864850 872263 996872 1246090 1729700 1744526 2492180 3115225 3459400 3489052 4361315 4984360 6105841 6230450 6978104 8722630 12211682 12460900 17445260 21806575 24423364 24921800 30529205 34890520 43613150 48846728 61058410 87226300 122116820 152646025 174452600 244233640 305292050 610584100 1221168200
• Sum of all divisors σ(n): 3312144315
• Sum of proper divisors (its aliquot sum) s(n): 2090976115
• 1221168200 is an abundant number, because the sum of its proper divisors (2090976115) is greater than itself. Its abundance is 869807915

Bases of 1221168200

• Binary: 1001000110010011000110001001000₂
• Hexadecimal: 0x48C98C48
• Base-36: K71VEW

Squares and roots of 1221168200

• 1221168200 squared (1221168200²) is 1491251772691240000
• 1221168200 cubed (1221168200³) is 1821069243004170706568000000
• The square root of 1221168200 is 34945.2171262393
• The cube root of 1221168200 is 1068.8706750187

Scales and comparisons

• 1,221,168,200 seconds is equal to 38 years, 43 weeks, 21 hours, 23 minutes, 20 seconds.
• To count from 1 to 1,221,168,200 would take you about seventy-seven 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 1221168200 cubic inches would be around 89.1 feet tall.

Recreational maths with 1221168200

• 1221168200 backwards is 0028611221
• The number of decimal digits it has is: 10
• The sum of 1221168200's digits is 23
• More coming soon!