19929039390

Names of 19929039390

• Cardinal: 19929039390 can be written as Nineteen billion, nine hundred twenty-nine million, thirty-nine thousand, three hundred ninety.

Scientific notation

• Scientific notation: 1.992903939 × 10¹⁰

Factors of 19929039390

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 10
• Sum of prime factors: 350

Divisors of 19929039390

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 5 6 9 10 13 15 18 19 26 27 30 38 39 45 54 57 65 78 90 95 114 117 127 130 135 169 171 181 190 195 234 247 254 270 285 338 342 351 362 381 390 494 507 513 543 570 585 635 702 741 762 845 855 905 1014 1026 1086 1143 1170 1235 1270 1482 1521 1629 1651 1690 1710 1755 1810 1905 2223 2286 2353 2413 2470 2535 2565 2715 3042 3211 3258 3302 3429 3439 3510 3705 3810 4446 4563 4706 4826 4887 4953 5070 5130 5430 5715 6422 6669 6858 6878 7059 7239 7410 7605 8145 8255 9126 9633 9774 9906 10317 11115 11430 11765 12065 13338 14118 14478 14859 15210 16055 16290 16510 17145 17195 19266 20634 21177 21463 21717 22230 22815 22987 23530 24130 24435 24765 28899 29718 30589 30951 31369 32110 33345 34290 34390 35295 36195 42354 42926 43434 44577 44707 45630 45974 48165 48870 49530 51585 57798 61178 61902 62738 63531 64389 65151 66690 68961 70590 72390 74295 86697 89154 89414 91767 92853 94107 96330 103170 105885 107315 108585 114935 127062 128778 130302 134121 137922 144495 148590 152945 154755 156845 173394 183534 185706 188214 193167 206883 211770 214630 217170 222885 223535 229870 268242 275301 282321 288990 298831 305890 309510 313690 317655 321945 325755 344805 386334 402363 407797 413766 433485 436753 445770 447070 458835 464265 470535 550602 564642 579501 581191 597662 620649 635310 643890 651510 670605 689610 804726 815594 825903 846963 866970 873506 896493 917670 928530 941070 965835 1034415 1159002 1162382 1207089 1223391 1241298 1310259 1341210 1376505 1411605 1494155 1651806 1693926 1743573 1792986 1931670 2011815 2038985 2068830 2183765 2414178 2446782 2620518 2689479 2753010 2823210 2897505 2905955 2988310 3103245 3487146 3670173 3884803 3930777 4023630 4077970 4129515 4234815 4367530 4482465 5230719 5378958 5677789 5795010 5811910 6035445 6116955 6206490 6551295 7340346 7769606 7861554 8068437 8259030 8469630 8717865 8964930 10461438 11010519 11355578 11654409 11792331 12070890 12233910 13102590 13447395 15692157 16136874 17033367 17435730 18350865 19424015 19653885 22021038 23308818 23584662 26153595 26894790 28388945 31384314 34066734 34963227 36701730 38848030 39307770 40342185 51100101 52307190 55052595 56777890 58272045 58961655 69926454 73811257 78460785 80684370 85166835 102200202 104889681 110105190 116544090 117923310 147622514 153300303 156921570 170333670 174816135 209779362 221433771 255500505 306600606 349632270 369056285 442867542 511001010 524448405 664301313 738112570 766501515 1048896810 1107168855 1328602626 1533003030 1992903939 2214337710 3321506565 3985807878 6643013130 9964519695 19929039390
• Sum of all divisors σ(n): 61389619200
• Sum of proper divisors (its aliquot sum) s(n): 41460579810
• 19929039390 is an abundant number, because the sum of its proper divisors (41460579810) is greater than itself. Its abundance is 21531540420

Bases of 19929039390

• Binary: 10010100011110111010000001000011110₂
• Hexadecimal: 0x4A3DD021E
• Base-36: 95L8H7I

Squares and roots of 19929039390

• 19929039390 squared (19929039390²) is 397166611008171572100
• 19929039390 cubed (19929039390³) is 7915149035174658872259125019000
• The square root of 19929039390 is 141170.2496633055
• The cube root of 19929039390 is 2711.2035335399

Scales and comparisons

• 19,929,039,390 seconds is equal to 633 years, 35 weeks, 3 days, 4 hours, 16 minutes, 30 seconds.
• To count from 1 to 19,929,039,390 would take you about one thousand, two hundred sixty-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 19929039390 cubic inches would be around 225.9 feet tall.

Recreational maths with 19929039390

• 19929039390 backwards is 09393092991
• 19929039390 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19929039390's digits is 54
• More coming soon!