2138877440

Names of 2138877440

• Cardinal: 2138877440 can be written as Two billion, one hundred thirty-eight million, eight hundred seventy-seven thousand, four hundred forty.

Scientific notation

• Scientific notation: 2.13887744 × 10⁹

Factors of 2138877440

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 15
• Sum of prime factors: 90

Divisors of 2138877440

• Number of divisors d(n): 360
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 49 56 59 64 68 70 80 85 98 112 118 119 128 136 140 160 170 196 224 236 238 245 256 272 280 289 295 320 340 392 413 448 472 476 490 512 544 560 578 590 595 640 680 784 826 833 896 944 952 980 1003 1088 1120 1156 1180 1190 1280 1360 1445 1568 1652 1666 1792 1888 1904 1960 2006 2023 2065 2176 2240 2312 2360 2380 2560 2720 2890 2891 3136 3304 3332 3584 3776 3808 3920 4012 4046 4130 4165 4352 4480 4624 4720 4760 5015 5440 5780 5782 6272 6608 6664 7021 7552 7616 7840 8024 8092 8260 8330 8704 8960 9248 9440 9520 10030 10115 10880 11560 11564 12544 13216 13328 14042 14161 14455 15104 15232 15680 16048 16184 16520 16660 17051 17920 18496 18880 19040 20060 20230 21760 23120 23128 25088 26432 26656 28084 28322 28910 30208 30464 31360 32096 32368 33040 33320 34102 35105 36992 37760 38080 40120 40460 43520 46240 46256 49147 52864 53312 56168 56644 57820 60928 62720 64192 64736 66080 66640 68204 70210 70805 73984 75520 76160 80240 80920 85255 92480 92512 98294 105728 106624 112336 113288 115640 119357 125440 128384 129472 132160 133280 136408 140420 141610 147968 151040 152320 160480 161840 170510 184960 185024 196588 211456 213248 224672 226576 231280 238714 245735 256768 258944 264320 266560 272816 280840 283220 304640 320960 323680 341020 369920 370048 393176 426496 449344 453152 462560 477428 491470 513536 517888 528640 533120 545632 561680 566440 596785 641920 647360 682040 739840 740096 786352 835499 898688 906304 925120 954856 982940 1035776 1057280 1066240 1091264 1123360 1132880 1193570 1283840 1294720 1364080 1480192 1572704 1670998 1797376 1812608 1850240 1909712 1965880 2132480 2182528 2246720 2265760 2387140 2567680 2589440 2728160 3145408 3341996 3594752 3625216 3700480 3819424 3931760 4177495 4365056 4493440 4531520 4774280 5178880 5456320 6290816 6683992 7250432 7400960 7638848 7863520 8354990 8730112 8986880 9063040 9548560 10912640 12581632 13367984 15277696 15727040 16709980 17973760 18126080 19097120 21825280 25163264 26735968 30555392 31454080 33419960 36252160 38194240 43650560 53471936 61110784 62908160 66839920 76388480 106943872 125816320 133679840 152776960 213887744 267359680 305553920 427775488 534719360 1069438720 2138877440
• Sum of all divisors σ(n): 6444531720
• Sum of proper divisors (its aliquot sum) s(n): 4305654280
• 2138877440 is an abundant number, because the sum of its proper divisors (4305654280) is greater than itself. Its abundance is 2166776840

Bases of 2138877440

• Binary: 1111111011111001010111000000000₂
• Hexadecimal: 0x7F7CAE00
• Base-36: ZDFKE8

Squares and roots of 2138877440

• 2138877440 squared (2138877440²) is 4574796703340953600
• 2138877440 cubed (2138877440³) is 9784929461362338283126784000
• The square root of 2138877440 is 46247.9993080781
• The cube root of 2138877440 is 1288.4333765337

Scales and comparisons

• 2,138,877,440 seconds is equal to 68 years, 3 days, 12 hours, 37 minutes, 20 seconds.
• To count from 1 to 2,138,877,440 would take you about one hundred thirty-six 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 2138877440 cubic inches would be around 107.4 feet tall.

Recreational maths with 2138877440

• 2138877440 backwards is 0447788312
• The number of decimal digits it has is: 10
• The sum of 2138877440's digits is 44
• More coming soon!