220720640

Names of 220720640

• Cardinal: 220720640 can be written as Two hundred twenty million, seven hundred twenty thousand, six hundred forty.

Scientific notation

• Scientific notation: 2.2072064 × 10⁸

Factors of 220720640

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 236

Divisors of 220720640

• Number of divisors d(n): 160
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 20 28 32 35 40 56 64 70 80 109 112 113 128 140 160 218 224 226 256 280 320 436 448 452 512 545 560 565 640 763 791 872 896 904 1090 1120 1130 1280 1526 1582 1744 1792 1808 2180 2240 2260 2560 3052 3164 3488 3584 3616 3815 3955 4360 4480 4520 6104 6328 6976 7232 7630 7910 8720 8960 9040 12208 12317 12656 13952 14464 15260 15820 17440 17920 18080 24416 24634 25312 27904 28928 30520 31640 34880 36160 48832 49268 50624 55808 57856 61040 61585 63280 69760 72320 86219 97664 98536 101248 122080 123170 126560 139520 144640 172438 195328 197072 202496 244160 246340 253120 279040 289280 344876 390656 394144 404992 431095 488320 492680 506240 689752 788288 862190 976640 985360 1012480 1379504 1576576 1724380 1953280 1970720 2024960 2759008 3153152 3448760 3941440 5518016 6306304 6897520 7882880 11036032 13795040 15765760 22072064 27590080 31531520 44144128 55180160 110360320 220720640
• Sum of all divisors σ(n): 615764160
• Sum of proper divisors (its aliquot sum) s(n): 395043520
• 220720640 is an abundant number, because the sum of its proper divisors (395043520) is greater than itself. Its abundance is 174322880

Bases of 220720640

• Binary: 1101001001111110111000000000₂
• Hexadecimal: 0xD27EE00
• Base-36: 3NET4W

Squares and roots of 220720640

• 220720640 squared (220720640²) is 48717600922009600
• 220720640 cubed (220720640³) is 10752980054770548998144000
• The square root of 220720640 is 14856.6698825813
• The cube root of 220720640 is 604.3395018375

Scales and comparisons

• 220,720,640 seconds is equal to 7 years, 6 days, 15 hours, 17 minutes, 20 seconds.
• To count from 1 to 220,720,640 would take you about ten 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 220720640 cubic inches would be around 50.4 feet tall.

Recreational maths with 220720640

• 220720640 backwards is 046027022
• The number of decimal digits it has is: 9
• The sum of 220720640's digits is 23
• More coming soon!