18748513920

Names of 18748513920

• Cardinal: 18748513920 can be written as Eighteen billion, seven hundred forty-eight million, five hundred thirteen thousand, nine hundred twenty.

Scientific notation

• Scientific notation: 1.874851392 × 10¹⁰

Factors of 18748513920

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 13
• Sum of prime factors: 739

Divisors of 18748513920

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 24 29 30 32 34 40 48 51 58 60 64 68 80 85 87 96 102 116 120 128 136 145 160 170 174 192 204 232 240 255 272 290 320 340 348 384 408 435 464 480 493 510 544 580 640 680 683 696 816 841 870 928 960 986 1020 1088 1160 1360 1366 1392 1479 1632 1682 1740 1856 1920 1972 2040 2049 2176 2320 2465 2523 2720 2732 2784 2958 3264 3364 3415 3480 3712 3944 4080 4098 4205 4640 4930 5046 5440 5464 5568 5916 6528 6728 6830 6960 7395 7888 8160 8196 8410 9280 9860 10092 10245 10880 10928 11136 11611 11832 12615 13456 13660 13920 14297 14790 15776 16320 16392 16820 18560 19720 19807 20184 20490 21856 23222 23664 25230 26912 27320 27840 28594 29580 31552 32640 32784 33640 34833 39440 39614 40368 40980 42891 43712 46444 47328 50460 53824 54640 55680 57188 58055 59160 59421 63104 65568 67280 69666 71485 78880 79228 80736 81960 85782 87424 92888 94656 99035 100920 107648 109280 114376 116110 118320 118842 131136 134560 139332 142970 157760 158456 161472 163920 171564 174165 185776 189312 198070 201840 214455 218560 228752 232220 236640 237684 262272 269120 278664 285940 297105 315520 316912 322944 327840 336719 343128 348330 371552 396140 403680 428910 437120 457504 464440 473280 475368 538240 557328 571880 574403 594210 633824 655680 673438 686256 696660 743104 792280 807360 857820 915008 928880 946560 950736 1010157 1114656 1143760 1148806 1188420 1267648 1311360 1346876 1372512 1393320 1486208 1584560 1614720 1683595 1715640 1723209 1830016 1857760 1901472 2020314 2229312 2287520 2297612 2376840 2535296 2693752 2745024 2786640 2872015 3169120 3367190 3431280 3446418 3715520 3802944 4040628 4458624 4575040 4595224 4753680 5050785 5387504 5490048 5573280 5744030 6338240 6734380 6862560 6892836 7431040 7605888 8081256 8616045 9150080 9190448 9507360 9764851 10101570 10775008 11146560 11488060 12676480 13468760 13725120 13785672 16162512 17232090 18380896 19014720 19529702 20203140 21550016 22293120 22976120 26937520 27450240 27571344 29294553 32325024 34464180 36761792 38029440 39059404 40406280 43100032 45952240 48824255 53875040 55142688 58589106 64650048 68928360 73523584 78118808 80812560 91904480 97648510 107750080 110285376 117178212 129300096 137856720 146472765 156237616 161625120 183808960 195297020 215500160 220570752 234356424 275713440 292945530 312475232 323250240 367617920 390594040 468712848 551426880 585891060 624950464 646500480 781188080 937425696 1102853760 1171782120 1249900928 1562376160 1874851392 2343564240 3124752320 3749702784 4687128480 6249504640 9374256960 18748513920
• Sum of all divisors σ(n): 65629362240
• Sum of proper divisors (its aliquot sum) s(n): 46880848320
• 18748513920 is an abundant number, because the sum of its proper divisors (46880848320) is greater than itself. Its abundance is 28132334400

Bases of 18748513920

• Binary: 10001011101011111111001111010000000₂
• Hexadecimal: 0x45D7F9E80
• Base-36: 8M2DPXC

Squares and roots of 18748513920

• 18748513920 squared (18748513920²) is 351506774208433766400
• 18748513920 cubed (18748513920³) is 6590229649221117450748428288000
• The square root of 18748513920 is 136925.2128718447
• The cube root of 18748513920 is 2656.5762346289

Scales and comparisons

• 18,748,513,920 seconds is equal to 596 years, 7 weeks, 3 days, 16 hours, 32 minutes.
• To count from 1 to 18,748,513,920 would take you about one thousand, one hundred ninety-two 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 18748513920 cubic inches would be around 221.4 feet tall.

Recreational maths with 18748513920

• 18748513920 backwards is 02931584781
• 18748513920 is a Harshad number.
• The number of decimal digits it has is: 11
• The sum of 18748513920's digits is 48
• More coming soon!