4991906880

Names of 4991906880

• Cardinal: 4991906880 can be written as Four billion, nine hundred ninety-one million, nine hundred six thousand, eight hundred eighty.

Scientific notation

• Scientific notation: 4.99190688 × 10⁹

Factors of 4991906880

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 268

Divisors of 4991906880

• Number of divisors d(n): 420
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 20 24 27 29 30 32 36 40 45 48 54 58 60 64 72 80 81 87 90 96 108 116 120 135 144 145 160 162 174 180 192 216 229 232 240 261 270 288 290 320 324 348 360 405 432 435 458 464 480 522 540 576 580 648 687 696 720 783 810 841 864 870 916 928 960 1044 1080 1145 1160 1296 1305 1374 1392 1440 1566 1620 1682 1728 1740 1832 1856 2061 2088 2160 2290 2320 2349 2523 2592 2610 2748 2784 2880 3132 3240 3364 3435 3480 3664 3915 4122 4176 4205 4320 4580 4640 4698 5046 5184 5220 5496 5568 6183 6264 6480 6641 6728 6870 6960 7328 7569 7830 8244 8352 8410 8640 9160 9280 9396 10092 10305 10440 10992 11745 12366 12528 12615 12960 13282 13456 13740 13920 14656 15138 15660 16488 16704 16820 18320 18549 18792 19923 20184 20610 20880 21984 22707 23490 24732 25056 25230 25920 26564 26912 27480 27840 30276 30915 31320 32976 33205 33640 36640 37098 37584 37845 39846 40368 41220 41760 43968 45414 46980 49464 50112 50460 53128 53824 54960 59769 60552 61830 62640 65952 66410 67280 68121 73280 74196 75168 75690 79692 80736 82440 83520 90828 92745 93960 98928 99615 100920 106256 109920 113535 119538 121104 123660 125280 131904 132820 134560 136242 148392 150336 151380 159384 161472 164880 179307 181656 185490 187920 192589 197856 199230 201840 212512 219840 227070 239076 242208 247320 250560 265640 269120 272484 296784 298845 302760 318768 329760 340605 358614 363312 370980 375840 385178 395712 398460 403680 425024 454140 478152 484416 494640 531280 537921 544968 577767 593568 597690 605520 637536 659520 681210 717228 726624 741960 751680 770356 796920 807360 896535 908280 956304 962945 989280 1062560 1075842 1089936 1155534 1187136 1195380 1211040 1275072 1362420 1434456 1453248 1483920 1540712 1593840 1733301 1793070 1816560 1912608 1925890 1978560 2125120 2151684 2179872 2311068 2390760 2422080 2689605 2724840 2868912 2888835 2967840 3081424 3187680 3466602 3586140 3633120 3825216 3851780 4303368 4359744 4622136 4781520 5199903 5379210 5449680 5737824 5777670 5935680 6162848 6375360 6933204 7172280 7266240 7703560 8606736 8666505 9244272 9563040 10399806 10758420 10899360 11475648 11555340 12325696 13866408 14344560 15407120 15599709 17213472 17333010 18488544 19126080 20799612 21516840 21798720 23110680 25999515 27732816 28689120 30814240 31199418 34426944 34666020 36977088 41599224 43033680 46221360 51999030 55465632 57378240 61628480 62398836 69332040 77998545 83198448 86067360 92442720 103998060 110931264 124797672 138664080 155997090 166396896 172134720 184885440 207996120 249595344 277328160 311994180 332793792 415992240 499190688 554656320 623988360 831984480 998381376 1247976720 1663968960 2495953440 4991906880
• Sum of all divisors σ(n): 18470826660
• Sum of proper divisors (its aliquot sum) s(n): 13478919780
• 4991906880 is an abundant number, because the sum of its proper divisors (13478919780) is greater than itself. Its abundance is 8487012900

Bases of 4991906880

• Binary: 100101001100010100111010001000000₂
• Hexadecimal: 0x1298A7440
• Base-36: 2AK1W00

Squares and roots of 4991906880

• 4991906880 squared (4991906880²) is 24919134298591334400
• 4991906880 cubed (4991906880³) is 124393997948782056499740672000
• The square root of 4991906880 is 70653.4279423157
• The cube root of 4991906880 is 1709.0528457441

Scales and comparisons

• 4,991,906,880 seconds is equal to 158 years, 37 weeks, 5 days, 16 hours, 48 minutes.
• To count from 1 to 4,991,906,880 would take you about three hundred seventeen 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 4991906880 cubic inches would be around 142.4 feet tall.

Recreational maths with 4991906880

• 4991906880 backwards is 0886091994
• 4991906880 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 4991906880's digits is 54
• More coming soon!