1994418090

Names of 1994418090

• Cardinal: 1994418090 can be written as One billion, nine hundred ninety-four million, four hundred eighteen thousand and ninety.

Scientific notation

• Scientific notation: 1.99441809 × 10⁹

Factors of 1994418090

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 93

Divisors of 1994418090

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 5 6 7 9 10 14 15 18 21 23 30 35 42 45 46 49 53 63 69 70 90 98 105 106 115 126 138 147 159 161 207 210 230 245 265 294 315 318 322 343 345 371 414 441 477 483 490 530 630 686 690 735 742 795 805 882 954 966 1029 1035 1113 1127 1219 1449 1470 1590 1610 1715 1855 2058 2070 2205 2226 2254 2385 2415 2438 2597 2809 2898 3087 3339 3381 3430 3657 3710 4410 4770 4830 5145 5194 5565 5618 5635 6095 6174 6678 6762 7245 7314 7791 7889 8427 8533 10143 10290 10971 11130 11270 12190 12985 14045 14490 15435 15582 15778 16695 16854 16905 17066 18179 18285 19663 20286 21942 23373 23667 25281 25599 25970 28090 30870 33390 33810 36358 36570 38955 39326 39445 42135 42665 46746 47334 50562 50715 51198 54537 54855 58989 59731 64607 71001 76797 77910 78890 84270 85330 90895 98315 101430 109074 109710 116865 117978 118335 119462 126405 127995 129214 137641 142002 153594 163611 176967 179193 181790 193821 196630 233730 236670 252810 255990 272685 275282 294945 298655 323035 327222 353934 355005 358386 383985 387642 412923 418117 452249 537579 545370 581463 589890 597310 646070 688205 710010 767970 818055 825846 836234 884835 895965 904498 963487 969105 1075158 1162926 1238769 1254351 1356747 1376410 1636110 1769670 1791930 1926974 1938210 2064615 2090585 2261245 2477538 2508702 2687895 2713494 2890461 2907315 3165743 3763053 4070241 4129230 4181170 4522490 4817435 5375790 5780922 5814630 6193845 6271755 6331486 6783735 7526106 8140482 8671383 9497229 9634870 12387690 12543510 13567470 14452305 15828715 17342766 18815265 18994458 20351205 22160201 28491687 28904610 31657430 37630530 40702410 43356915 44320402 47486145 56983374 66480603 86713830 94972290 110801005 132961206 142458435 199441809 221602010 284916870 332403015 398883618 664806030 997209045 1994418090
• Sum of all divisors σ(n): 6431443200
• Sum of proper divisors (its aliquot sum) s(n): 4437025110
• 1994418090 is an abundant number, because the sum of its proper divisors (4437025110) is greater than itself. Its abundance is 2442607020

Bases of 1994418090

• Binary: 1110110111000000110011110101010₂
• Hexadecimal: 0x76E067AA
• Base-36: WZFAUI

Squares and roots of 1994418090

• 1994418090 squared (1994418090²) is 3977703517719248100
• 1994418090 cubed (1994418090³) is 7933203852395903951838129000
• The square root of 1994418090 is 44658.9082938667
• The cube root of 1994418090 is 1258.7478300979

Scales and comparisons

• 1,994,418,090 seconds is equal to 63 years, 21 weeks, 4 days, 13 hours, 1 minute, 30 seconds.
• To count from 1 to 1,994,418,090 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 1994418090 cubic inches would be around 104.9 feet tall.

Recreational maths with 1994418090

• 1994418090 backwards is 0908144991
• 1994418090 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 1994418090's digits is 45
• More coming soon!