138777909120

Names of 138777909120

• Cardinal: 138777909120 can be written as One hundred thirty-eight billion, seven hundred seventy-seven million, nine hundred nine thousand, one hundred twenty.

Scientific notation

• Scientific notation: 1.3877790912 × 10¹¹

Factors of 138777909120

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 14
• Sum of prime factors: 140926

Divisors of 138777909120

• Number of divisors d(n): 320
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 16 18 19 20 24 27 30 32 36 38 40 45 48 54 57 60 64 72 76 80 81 90 95 96 108 114 120 128 135 144 152 160 162 171 180 190 192 216 228 240 270 285 288 304 320 324 342 360 380 384 405 432 456 480 513 540 570 576 608 640 648 684 720 760 810 855 864 912 960 1026 1080 1140 1152 1216 1296 1368 1440 1520 1539 1620 1710 1728 1824 1920 2052 2160 2280 2432 2565 2592 2736 2880 3040 3078 3240 3420 3456 3648 4104 4320 4560 5130 5184 5472 5760 6080 6156 6480 6840 7296 7695 8208 8640 9120 10260 10368 10944 12160 12312 12960 13680 15390 16416 17280 18240 20520 21888 24624 25920 27360 30780 32832 36480 41040 49248 51840 54720 61560 65664 82080 98496 109440 123120 140897 164160 196992 246240 281794 328320 422691 492480 563588 704485 845382 984960 1127176 1268073 1408970 1690764 2113455 2254352 2536146 2677043 2817940 3381528 3804219 4226910 4508704 5072292 5354086 5635880 6340365 6763056 7608438 8031129 8453820 9017408 10144584 10708172 11271760 11412657 12680730 13385215 13526112 15216876 16062258 16907640 18034816 19021095 20289168 21416344 22543520 22825314 24093387 25361460 26770430 27052224 30433752 32124516 33815280 38042190 40155645 40578336 42832688 45087040 45650628 48186774 50722920 53540860 54104448 57063285 60867504 64249032 67630560 72280161 76084380 80311290 81156672 85665376 90174080 91301256 96373548 101445840 107081720 114126570 120466935 121735008 128498064 135261120 144560322 152168760 160622580 162313344 171330752 182602512 192747096 202891680 214163440 216840483 228253140 240933870 243470016 256996128 270522240 289120644 304337520 321245160 342661504 361400805 365205024 385494192 405783360 428326880 433680966 456506280 481867740 486940032 513992256 578241288 608675040 642490320 722801610 730410048 770988384 811566720 856653760 867361932 913012560 963735480 1027984512 1084202415 1156482576 1217350080 1284980640 1445603220 1460820096 1541976768 1713307520 1734723864 1826025120 1927470960 2168404830 2312965152 2434700160 2569961280 2891206440 3083953536 3469447728 3652050240 3854941920 4336809660 4625930304 5139922560 5782412880 6938895456 7304100480 7709883840 8673619320 9251860608 11564825760 13877790912 15419767680 17347238640 23129651520 27755581824 34694477280 46259303040 69388954560 138777909120
• Sum of all divisors σ(n): 521688934800
• Sum of proper divisors (its aliquot sum) s(n): 382911025680
• 138777909120 is an abundant number, because the sum of its proper divisors (382911025680) is greater than itself. Its abundance is 244133116560

Bases of 138777909120

• Binary: 10000001001111110011101101011110000000₂
• Hexadecimal: 0x204FCED780
• Base-36: 1RR4S800

Squares and roots of 138777909120

• 138777909120 squared (138777909120²) is 19259308059718979174400
• 138777909120 cubed (138777909120³) is 2672766503625764024604055830528000
• The square root of 138777909120 is 372529.0715098623
• The cube root of 138777909120 is 5177.3411159173

Scales and comparisons

• 138,777,909,120 seconds is equal to 4,412 years, 36 weeks, 5 days, 19 hours, 12 minutes.
• To count from 1 to 138,777,909,120 would take you about eight thousand, eight hundred twenty-five 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 138777909120 cubic inches would be around 431.4 feet tall.

Recreational maths with 138777909120

• 138777909120 backwards is 021909777831
• 138777909120 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138777909120's digits is 54
• More coming soon!