221097450

Names of 221097450

• Cardinal: 221097450 can be written as Two hundred twenty-one million, ninety-seven thousand, four hundred fifty.

Scientific notation

• Scientific notation: 2.2109745 × 10⁸

Factors of 221097450

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 236

Divisors of 221097450

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 10 14 15 21 25 29 30 35 42 50 53 58 70 75 87 105 106 137 145 150 159 174 175 203 210 265 274 290 318 350 371 406 411 435 525 530 609 685 725 742 795 822 870 959 1015 1050 1113 1218 1325 1370 1450 1537 1590 1855 1918 2030 2055 2175 2226 2650 2877 3045 3074 3425 3710 3973 3975 4110 4350 4611 4795 5075 5565 5754 6090 6850 7261 7685 7946 7950 9222 9275 9590 10150 10275 10759 11130 11919 14385 14522 15225 15370 18550 19865 20550 21518 21783 23055 23838 23975 27811 27825 28770 30450 32277 36305 38425 39730 43566 46110 47950 50827 53795 55622 55650 59595 64554 71925 72610 76850 83433 99325 101654 107590 108915 115275 119190 139055 143850 152481 161385 166866 181525 198650 210569 217830 230550 254135 268975 278110 297975 304962 322770 363050 417165 421138 508270 537950 544575 595950 631707 695275 762405 806925 834330 1052845 1089150 1263414 1270675 1390550 1473983 1524810 1613850 2085825 2105690 2541350 2947966 3158535 3812025 4171650 4421949 5264225 6317070 7369915 7624050 8843898 10528450 14739830 15792675 22109745 31585350 36849575 44219490 73699150 110548725 221097450
• Sum of all divisors σ(n): 665314560
• Sum of proper divisors (its aliquot sum) s(n): 444217110
• 221097450 is an abundant number, because the sum of its proper divisors (444217110) is greater than itself. Its abundance is 223119660

Bases of 221097450

• Binary: 1101001011011010110111101010₂
• Hexadecimal: 0xD2DADEA
• Base-36: 3NMVVU

Squares and roots of 221097450

• 221097450 squared (221097450²) is 48884082396502500
• 221097450 cubed (221097450³) is 10808145963456591668625000
• The square root of 221097450 is 14869.3459842725
• The cube root of 221097450 is 604.6832118827

Scales and comparisons

• 221,097,450 seconds is equal to 7 years, 1 week, 3 days, 23 hours, 57 minutes, 30 seconds.
• To count from 1 to 221,097,450 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 221097450 cubic inches would be around 50.4 feet tall.

Recreational maths with 221097450

• 221097450 backwards is 054790122
• 221097450 is a Harshad number.
• The number of decimal digits it has is: 9
• The sum of 221097450's digits is 30
• More coming soon!