147998720

Names of 147998720

• Cardinal: 147998720 can be written as One hundred forty-seven million, nine hundred ninety-eight thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.4799872 × 10⁸

Factors of 147998720

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 253

Divisors of 147998720

• Number of divisors d(n): 96
• Complete list of divisors:
  1 2 4 5 8 10 16 20 32 40 64 80 97 128 149 160 194 256 298 320 388 485 512 596 640 745 776 970 1024 1192 1280 1490 1552 1940 2048 2384 2560 2980 3104 3880 4768 5120 5960 6208 7760 9536 10240 11920 12416 14453 15520 19072 23840 24832 28906 31040 38144 47680 49664 57812 62080 72265 76288 95360 99328 115624 124160 144530 152576 190720 198656 231248 248320 289060 305152 381440 462496 496640 578120 762880 924992 993280 1156240 1525760 1849984 2312480 3699968 4624960 7399936 9249920 14799872 18499840 29599744 36999680 73999360 147998720
• Sum of all divisors σ(n): 361179000
• Sum of proper divisors (its aliquot sum) s(n): 213180280
• 147998720 is an abundant number, because the sum of its proper divisors (213180280) is greater than itself. Its abundance is 65181560

Bases of 147998720

• Binary: 1000110100100100100000000000₂
• Hexadecimal: 0x8D24800
• Base-36: 2G44JK

Squares and roots of 147998720

• 147998720 squared (147998720²) is 21903621121638400
• 147998720 cubed (147998720³) is 3241707889367447502848000
• The square root of 147998720 is 12165.4724528067
• The cube root of 147998720 is 528.9557223431

Scales and comparisons

• 147,998,720 seconds is equal to 4 years, 36 weeks, 4 days, 22 hours, 45 minutes, 20 seconds.
• To count from 1 to 147,998,720 would take you about 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 147998720 cubic inches would be around 44.1 feet tall.

Recreational maths with 147998720

• 147998720 backwards is 027899741
• The number of decimal digits it has is: 9
• The sum of 147998720's digits is 47
• More coming soon!