30974790

Names of 30974790

• Cardinal: 30974790 can be written as Thirty million, nine hundred seventy-four thousand, seven hundred ninety.

Scientific notation

• Scientific notation: 3.097479 × 10⁷

Factors of 30974790

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 8
• Sum of prime factors: 104

Divisors of 30974790

• Number of divisors d(n): 192
• Complete list of divisors:
  1 2 3 5 6 7 10 11 14 15 21 22 23 30 33 35 42 46 53 55 66 69 70 77 105 106 110 115 121 138 154 159 161 165 210 230 231 242 253 265 318 322 330 345 363 371 385 462 483 506 530 583 605 690 726 742 759 770 795 805 847 966 1113 1155 1166 1210 1219 1265 1518 1590 1610 1694 1749 1771 1815 1855 2226 2310 2415 2438 2530 2541 2783 2915 3498 3542 3630 3657 3710 3795 4081 4235 4830 5082 5313 5565 5566 5830 6095 6413 7314 7590 8162 8349 8470 8533 8745 8855 10626 11130 12190 12243 12705 12826 13409 13915 16698 17066 17490 17710 18285 19239 19481 20405 24486 25410 25599 26565 26818 27830 32065 36570 38478 38962 40227 40810 41745 42665 44891 51198 53130 58443 61215 64130 67045 80454 83490 85330 89782 93863 96195 97405 116886 122430 127995 134090 134673 147499 187726 192390 194810 201135 224455 255990 269346 281589 292215 294998 402270 442497 448910 469315 563178 584430 673365 737495 884994 938630 1032493 1346730 1407945 1474990 2064986 2212485 2815890 3097479 4424970 5162465 6194958 10324930 15487395 30974790
• Sum of all divisors σ(n): 99283968
• Sum of proper divisors (its aliquot sum) s(n): 68309178
• 30974790 is an abundant number, because the sum of its proper divisors (68309178) is greater than itself. Its abundance is 37334388

Bases of 30974790

• Binary: 1110110001010001101000110₂
• Hexadecimal: 0x1D8A346
• Base-36: IFWAU

Squares and roots of 30974790

• 30974790 squared (30974790²) is 959437615544100
• 30974790 cubed (30974790³) is 29718378659579233239000
• The square root of 30974790 is 5565.4999775403
• The cube root of 30974790 is 314.0528870847

Scales and comparisons

• 30,974,790 seconds is equal to 51 weeks, 1 day, 12 hours, 6 minutes, 30 seconds.
• To count from 1 to 30,974,790 would take you about twenty-four weeks!

  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 30974790 cubic inches would be around 26.2 feet tall.

Recreational maths with 30974790

• 30974790 backwards is 09747903
• The number of decimal digits it has is: 8
• The sum of 30974790's digits is 39
• More coming soon!