19947479040

Names of 19947479040

• Cardinal: 19947479040 can be written as Nineteen billion, nine hundred forty-seven million, four hundred seventy-nine thousand and forty.

Scientific notation

• Scientific notation: 1.994747904 × 10¹⁰

Factors of 19947479040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 19
• Sum of prime factors: 1088

Divisors of 19947479040

• Number of divisors d(n): 448
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 17 18 20 24 27 30 32 34 36 40 45 48 51 54 60 64 68 72 80 85 90 96 102 108 120 128 135 136 144 153 160 170 180 192 204 216 240 255 256 270 272 288 306 320 340 360 384 408 432 459 480 510 512 540 544 576 612 640 680 720 765 768 816 864 918 960 1020 1024 1061 1080 1088 1152 1224 1280 1360 1440 1530 1536 1632 1728 1836 1920 2040 2048 2122 2160 2176 2295 2304 2448 2560 2720 2880 3060 3072 3183 3264 3456 3672 3840 4080 4096 4244 4320 4352 4590 4608 4896 5120 5305 5440 5760 6120 6144 6366 6528 6912 7344 7680 8160 8192 8488 8640 8704 9180 9216 9549 9792 10240 10610 10880 11520 12240 12288 12732 13056 13824 14688 15360 15915 16320 16976 17280 17408 18037 18360 18432 19098 19584 20480 21220 21760 23040 24480 24576 25464 26112 27648 28647 29376 30720 31830 32640 33952 34560 34816 36074 36720 36864 38196 39168 40960 42440 43520 46080 47745 48960 50928 52224 54111 55296 57294 58752 61440 63660 65280 67904 69120 69632 72148 73440 73728 76392 78336 84880 87040 90185 92160 95490 97920 101856 104448 108222 110592 114588 117504 122880 127320 130560 135808 138240 139264 143235 144296 146880 152784 156672 162333 169760 174080 180370 184320 190980 195840 203712 208896 216444 221184 229176 235008 254640 261120 270555 271616 276480 286470 288592 293760 305568 313344 324666 339520 348160 360740 368640 381960 391680 407424 417792 432888 458352 470016 486999 509280 522240 541110 543232 552960 572940 577184 587520 611136 626688 649332 679040 696320 721480 763920 783360 811665 814848 865776 916704 940032 973998 1018560 1044480 1082220 1086464 1105920 1145880 1154368 1175040 1222272 1253376 1298664 1358080 1442960 1527840 1566720 1623330 1629696 1731552 1833408 1880064 1947996 2037120 2088960 2164440 2172928 2291760 2308736 2350080 2434995 2444544 2597328 2716160 2885920 3055680 3133440 3246660 3259392 3463104 3666816 3760128 3895992 4074240 4328880 4345856 4583520 4617472 4700160 4869990 4889088 5194656 5432320 5771840 6111360 6266880 6493320 6518784 6926208 7333632 7791984 8148480 8657760 8691712 9167040 9234944 9400320 9739980 9778176 10389312 10864640 11543680 12222720 12986640 13037568 13852416 14667264 15583968 16296960 17315520 18334080 18469888 18800640 19479960 19556352 20778624 21729280 23087360 24445440 25973280 26075136 27704832 29334528 31167936 32593920 34631040 36668160 36939776 38959920 39112704 41557248 43458560 46174720 48890880 51946560 55409664 58669056 62335872 65187840 69262080 73336320 73879552 77919840 78225408 83114496 92349440 97781760 103893120 110819328 117338112 124671744 130375680 138524160 146672640 147759104 155839680 166228992 184698880 195563520 207786240 221638656 234676224 249343488 277048320 293345280 311679360 332457984 369397760 391127040 415572480 443277312 498686976 554096640 586690560 623358720 664915968 738795520 831144960 997373952 1108193280 1173381120 1246717440 1329831936 1662289920 1994747904 2216386560 2493434880 3324579840 3989495808 4986869760 6649159680 9973739520 19947479040
• Sum of all divisors σ(n): 75162582720
• Sum of proper divisors (its aliquot sum) s(n): 55215103680
• 19947479040 is an abundant number, because the sum of its proper divisors (55215103680) is greater than itself. Its abundance is 35267624640

Bases of 19947479040

• Binary: 10010100100111101100110000000000000₂
• Hexadecimal: 0x4A4F66000
• Base-36: 95W7PC0

Squares and roots of 19947479040

• 19947479040 squared (19947479040²) is 397901920051239321600
• 19947479040 cubed (19947479040³) is 7937140210197852093639819264000
• The square root of 19947479040 is 141235.5445346529
• The cube root of 19947479040 is 2712.0394700183

Scales and comparisons

• 19,947,479,040 seconds is equal to 634 years, 13 weeks, 6 days, 14 hours, 24 minutes.
• To count from 1 to 19,947,479,040 would take you about one thousand, two hundred sixty-eight 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 19947479040 cubic inches would be around 226 feet tall.

Recreational maths with 19947479040

• 19947479040 backwards is 04097474991
• 19947479040 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 19947479040's digits is 54
• More coming soon!