3998142720

Names of 3998142720

• Cardinal: 3998142720 can be written as Three billion, nine hundred ninety-eight million, one hundred forty-two thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 3.99814272 × 10⁹

Factors of 3998142720

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 843

Divisors of 3998142720

• Number of divisors d(n): 576
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 11 12 13 15 16 18 20 22 24 26 27 30 32 33 36 39 40 44 45 48 52 54 55 60 64 65 66 72 78 80 88 90 96 99 104 108 110 117 120 128 130 132 135 143 144 156 160 165 176 180 192 195 198 208 216 220 234 240 256 260 264 270 286 288 297 312 320 330 351 352 360 384 390 396 416 429 432 440 468 480 495 520 528 540 572 576 585 594 624 640 660 702 704 715 720 768 780 792 809 832 858 864 880 936 960 990 1040 1056 1080 1144 1152 1170 1188 1248 1280 1287 1320 1404 1408 1430 1440 1485 1560 1584 1618 1664 1716 1728 1755 1760 1872 1920 1980 2080 2112 2145 2160 2288 2304 2340 2376 2427 2496 2574 2640 2808 2816 2860 2880 2970 3120 3168 3236 3328 3432 3456 3510 3520 3744 3840 3861 3960 4045 4160 4224 4290 4320 4576 4680 4752 4854 4992 5148 5280 5616 5720 5760 5940 6240 6336 6435 6472 6864 6912 7020 7040 7281 7488 7722 7920 8090 8320 8448 8580 8640 8899 9152 9360 9504 9708 9984 10296 10517 10560 11232 11440 11520 11880 12135 12480 12672 12870 12944 13728 14040 14080 14562 14976 15444 15840 16180 16640 17160 17280 17798 18304 18720 19008 19305 19416 20592 21034 21120 21843 22464 22880 23760 24270 24960 25344 25740 25888 26697 27456 28080 29124 29952 30888 31551 31680 32360 34320 34560 35596 36405 36608 37440 38016 38610 38832 41184 42068 42240 43686 44495 44928 45760 47520 48540 49920 51480 51776 52585 53394 54912 56160 58248 61776 63102 63360 64720 68640 71192 72810 74880 76032 77220 77664 80091 82368 84136 87372 88990 89856 91520 94653 95040 97080 102960 103552 105170 106788 109215 109824 112320 115687 116496 123552 126204 126720 129440 133485 137280 142384 145620 149760 154440 155328 157755 160182 164736 168272 174744 177980 183040 189306 190080 194160 205920 207104 210340 213576 218430 224640 231374 232992 240273 247104 252408 258880 266970 274560 283959 284768 291240 308880 310656 315510 320364 329472 336544 347061 349488 355960 378612 380160 388320 400455 411840 420680 427152 436860 449280 462748 465984 473265 480546 494208 504816 517760 533940 549120 567918 569536 578435 582480 617760 621312 631020 640728 673088 694122 698976 711920 757224 776640 800910 823680 841360 854304 873720 925496 931968 946530 961092 988416 1009632 1035520 1041183 1067880 1135836 1139072 1156870 1164960 1201365 1235520 1262040 1281456 1346176 1388244 1397952 1419795 1423840 1514448 1553280 1601820 1647360 1682720 1708608 1735305 1747440 1850992 1863936 1893060 1922184 2019264 2082366 2135760 2271672 2278144 2313740 2329920 2402730 2471040 2524080 2562912 2692352 2776488 2795904 2839590 2847680 3028896 3106560 3123549 3203640 3365440 3417216 3470610 3494880 3701984 3786120 3844368 4038528 4164732 4271520 4543344 4627480 4659840 4805460 4942080 5048160 5125824 5205915 5552976 5591808 5679180 5695360 6057792 6247098 6407280 6730880 6834432 6941220 6989760 7403968 7572240 7688736 8077056 8329464 8543040 9086688 9254960 9319680 9610920 10096320 10251648 10411830 11105952 11358360 11390720 12115584 12494196 12814560 13461760 13882440 13979520 14807936 15144480 15377472 15617745 16658928 17086080 18173376 18509920 19221840 20192640 20503296 20823660 22211904 22716720 24231168 24988392 25629120 27764880 27959040 29615872 30288960 30754944 31235490 33317856 34172160 36346752 37019840 38443680 40385280 41647320 44423808 45433440 49976784 51258240 55529760 60577920 61509888 62470980 66635712 72693504 74039680 76887360 83294640 88847616 90866880 99953568 102516480 111059520 121155840 124941960 133271424 148079360 153774720 166589280 181733760 199907136 222119040 249883920 266542848 307549440 333178560 363467520 399814272 444238080 499767840 666357120 799628544 999535680 1332714240 1999071360 3998142720
• Sum of all divisors σ(n): 16688851200
• Sum of proper divisors (its aliquot sum) s(n): 12690708480
• 3998142720 is an abundant number, because the sum of its proper divisors (12690708480) is greater than itself. Its abundance is 8692565760

Bases of 3998142720

• Binary: 11101110010011101101000100000000₂
• Hexadecimal: 0xEE4ED100
• Base-36: 1U4E2O0

Squares and roots of 3998142720

• 3998142720 squared (3998142720²) is 15985145209488998400
• 3998142720 cubed (3998142720³) is 63910891947461313873051648000
• The square root of 3998142720 is 63230.8684109273
• The cube root of 3998142720 is 1587.1553265803

Scales and comparisons

• 3,998,142,720 seconds is equal to 127 years, 6 weeks, 4 days, 19 hours, 12 minutes.
• To count from 1 to 3,998,142,720 would take you about two hundred fifty-four 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 3998142720 cubic inches would be around 132.3 feet tall.

Recreational maths with 3998142720

• 3998142720 backwards is 0272418993
• 3998142720 is a Harshad number.
• The number of decimal digits it has is: 10
• The sum of 3998142720's digits is 45
• More coming soon!