138660247040

Names of 138660247040

• Cardinal: 138660247040 can be written as One hundred thirty-eight billion, six hundred sixty million, two hundred forty-seven thousand and forty.

Scientific notation

• Scientific notation: 1.3866024704 × 10¹¹

Factors of 138660247040

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 16
• Sum of prime factors: 1358

Divisors of 138660247040

• Number of divisors d(n): 400
• Complete list of divisors:
  1 2 4 5 7 8 10 14 16 17 20 28 32 34 35 40 49 56 64 68 70 80 85 98 112 119 128 136 140 160 170 196 224 238 245 256 272 280 320 340 343 392 448 476 490 512 544 560 595 640 680 686 784 833 896 952 980 1088 1120 1190 1280 1327 1360 1372 1568 1666 1715 1792 1904 1960 2176 2240 2380 2401 2560 2654 2720 2744 3136 3332 3430 3584 3808 3920 4165 4352 4480 4760 4802 5308 5440 5488 5831 6272 6635 6664 6860 7616 7840 8330 8704 8960 9289 9520 9604 10616 10880 10976 11662 12005 12544 13270 13328 13720 15232 15680 16660 17920 18578 19040 19208 21232 21760 21952 22559 23324 24010 25088 26540 26656 27440 29155 30464 31360 33320 37156 38080 38416 40817 42464 43520 43904 45118 46445 46648 48020 53080 53312 54880 58310 60928 62720 65023 66640 74312 76160 76832 81634 84928 87808 90236 92890 93296 96040 106160 106624 109760 112795 116620 125440 130046 133280 148624 152320 153664 157913 163268 169856 175616 180472 185780 186592 192080 204085 212320 213248 219520 225590 233240 260092 266560 297248 304640 307328 315826 325115 326536 339712 360944 371560 373184 384160 408170 424640 426496 439040 451180 455161 466480 520184 533120 594496 614656 631652 650230 653072 679424 721888 743120 746368 768320 789565 816340 849280 878080 902360 910322 932960 1040368 1066240 1105391 1188992 1229312 1263304 1300460 1306144 1443776 1486240 1492736 1536640 1579130 1632680 1698560 1804720 1820644 1865920 2080736 2132480 2210782 2275805 2377984 2526608 2600920 2612288 2887552 2972480 2985472 3073280 3158260 3186127 3265360 3397120 3609440 3641288 3731840 4161472 4421564 4551610 4755968 5053216 5201840 5224576 5526955 5775104 5944960 6146560 6316520 6372254 6530720 7218880 7282576 7463680 7737737 8322944 8843128 9103220 10106432 10403680 10449152 11053910 11550208 11889920 12633040 12744508 13061440 14437760 14565152 14927360 15475474 15930635 16645888 17686256 18206440 20212864 20807360 20898304 22107820 23779840 25266080 25489016 26122880 28875520 29130304 30950948 31861270 33291776 35372512 36412880 38688685 40425728 41614720 44215640 50532160 50978032 52245760 54164159 57751040 58260608 61901896 63722540 70745024 72825760 77377370 80851456 83229440 88431280 101064320 101956064 104491520 108328318 116521216 123803792 127445080 141490048 145651520 154754740 166458880 176862560 202128640 203912128 216656636 233042432 247607584 254890160 270820795 282980096 291303040 309509480 353725120 404257280 407824256 433313272 495215168 509780320 541641590 565960192 582606080 619018960 707450240 815648512 866626544 990430336 1019560640 1083283180 1165212160 1238037920 1414900480 1631297024 1733253088 1980860672 2039121280 2166566360 2476075840 2829800960 3466506176 3961721344 4078242560 4333132720 4952151680 6933012352 8156485120 8666265440 9904303360 13866024704 17332530880 19808606720 27732049408 34665061760 69330123520 138660247040
• Sum of all divisors σ(n): 410970428352
• Sum of proper divisors (its aliquot sum) s(n): 272310181312
• 138660247040 is an abundant number, because the sum of its proper divisors (272310181312) is greater than itself. Its abundance is 133649934272

Bases of 138660247040

• Binary: 10000001001000110010110111011000000000₂
• Hexadecimal: 0x2048CB7600
• Base-36: 1RP6QBCW

Squares and roots of 138660247040

• 138660247040 squared (138660247040²) is 19226664109193828761600
• 138660247040 cubed (138660247040³) is 2665973995135917831326913265664000
• The square root of 138660247040 is 372371.1146692235
• The cube root of 138660247040 is 5175.8775088923

Scales and comparisons

• 138,660,247,040 seconds is equal to 4,408 years, 50 weeks, 1 day, 23 hours, 17 minutes, 20 seconds.
• To count from 1 to 138,660,247,040 would take you about eight thousand, eight 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 138660247040 cubic inches would be around 431.3 feet tall.

Recreational maths with 138660247040

• 138660247040 backwards is 040742066831
• The number of decimal digits it has is: 12
• The sum of 138660247040's digits is 41
• More coming soon!