19429977840

Names of 19429977840

• Cardinal: 19429977840 can be written as Nineteen billion, four hundred twenty-nine million, nine hundred seventy-seven thousand, eight hundred forty.

Scientific notation

• Scientific notation: 1.942997784 × 10¹⁰

Factors of 19429977840

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 1844

Divisors of 19429977840

• Number of divisors d(n): 480
• Complete list of divisors:
  1 2 3 4 5 6 7 8 10 12 13 14 15 16 20 21 24 26 28 30 35 39 40 42 48 49 52 56 60 65 70 73 78 80 84 91 98 104 105 112 120 130 140 146 147 156 168 182 195 196 208 210 219 240 245 260 273 280 292 294 312 336 364 365 390 392 420 438 455 490 511 520 546 560 584 588 624 637 728 730 735 780 784 840 876 910 949 980 1022 1040 1092 1095 1168 1176 1274 1365 1456 1460 1470 1533 1560 1680 1741 1752 1820 1898 1911 1960 2044 2184 2190 2352 2548 2555 2730 2847 2920 2940 3066 3120 3185 3482 3504 3577 3640 3796 3822 3920 4088 4368 4380 4745 5096 5110 5223 5460 5694 5840 5880 6132 6370 6643 6964 7154 7280 7592 7644 7665 8176 8705 8760 9490 9555 10192 10220 10446 10731 10920 11388 11760 12187 12264 12740 13286 13928 14235 14308 15184 15288 15330 17410 17520 17885 18980 19110 19929 20440 20892 21462 21840 22633 22776 24374 24528 25480 26115 26572 27856 28470 28616 30576 30660 33215 34820 35770 36561 37960 38220 39858 40880 41784 42924 45266 45552 46501 48748 50960 52230 53144 53655 56940 57232 60935 61320 66430 67899 69640 71540 73122 75920 76440 79716 83568 85309 85848 90532 93002 97496 99645 104460 106288 107310 113165 113880 121870 122640 127093 132860 135798 139280 139503 143080 146244 152880 158431 159432 170618 171696 181064 182805 186004 194992 199290 208920 214620 226330 227760 232505 243740 254186 255927 265720 271596 279006 286160 292488 316862 318864 339495 341236 362128 365610 372008 381279 398580 417840 426545 429240 452660 465010 475293 487480 508372 511854 531440 543192 558012 584976 633724 635465 678990 682472 697515 731220 744016 762558 792155 797160 853090 858480 889651 905320 930020 950586 974960 1016744 1023708 1086384 1109017 1116024 1267448 1270930 1279635 1357980 1364944 1395030 1462440 1525116 1584310 1594320 1652209 1706180 1779302 1810640 1860040 1901172 1906395 2033488 2047416 2218034 2232048 2376465 2534896 2541860 2559270 2668953 2715960 2790060 2924880 3050232 3168620 3304418 3327051 3412360 3558604 3720080 3802344 3812790 4094832 4436068 4448255 4752930 4956627 5083720 5118540 5337906 5431920 5545085 5580120 6100464 6227557 6337240 6608836 6654102 6824720 7117208 7604688 7625580 8261045 8872136 8896510 9505860 9913254 10167440 10237080 10675812 11090170 11160240 11565463 12455114 12674480 13217672 13308204 13344765 14234416 15251160 16522090 16635255 17744272 17793020 18682671 19011720 19826508 20474160 21351624 22180340 23130926 24783135 24910228 26435344 26616408 26689530 30502320 31137785 33044180 33270510 34696389 35586040 37365342 38023440 39653016 42703248 44360680 46261852 49566270 49820456 53232816 53379060 57827315 62275570 66088360 66541020 69392778 71172080 74730684 79306032 80958241 88721360 92523704 93413355 99132540 99640912 106758120 115654630 124551140 132176720 133082040 138785556 149461368 161916482 173481945 185047408 186826710 198265080 213516240 231309260 242874723 249102280 266164080 277571112 298922736 323832964 346963890 373653420 396530160 404791205 462618520 485749446 498204560 555142224 647665928 693927780 747306840 809582410 925237040 971498892 1214373615 1295331856 1387855560 1494613680 1619164820 1942997784 2428747230 2775711120 3238329640 3885995568 4857494460 6476659280 9714988920 19429977840
• Sum of all divisors σ(n): 76534226496
• Sum of proper divisors (its aliquot sum) s(n): 57104248656
• 19429977840 is an abundant number, because the sum of its proper divisors (57104248656) is greater than itself. Its abundance is 37674270816

Bases of 19429977840

• Binary: 10010000110000111011110111011110000₂
• Hexadecimal: 0x4861DEEF0
• Base-36: 8XC3UUO

Squares and roots of 19429977840

• 19429977840 squared (19429977840²) is 377524038862891065600
• 19429977840 cubed (19429977840³) is 7335283709173272202941986304000
• The square root of 19429977840 is 139391.4554052723
• The cube root of 19429977840 is 2688.3806969481

Scales and comparisons

• 19,429,977,840 seconds is equal to 617 years, 42 weeks, 2 days, 4 minutes.
• To count from 1 to 19,429,977,840 would take you about one thousand, two hundred thirty-five 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 19429977840 cubic inches would be around 224 feet tall.

Recreational maths with 19429977840

• 19429977840 backwards is 04877992491
• 19429977840 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19429977840's digits is 60
• More coming soon!