138394917000

Names of 138394917000

• Cardinal: 138394917000 can be written as One hundred thirty-eight billion, three hundred ninety-four million, nine hundred seventeen thousand.

Scientific notation

• Scientific notation: 1.38394917 × 10¹¹

Factors of 138394917000

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 2141

Divisors of 138394917000

• Number of divisors d(n): 384
• Complete list of divisors:
  1 2 3 4 5 6 8 9 10 12 15 18 19 20 24 25 30 36 38 40 45 50 57 60 72 75 76 90 95 100 114 120 125 150 152 171 180 190 200 225 228 250 285 300 342 360 375 380 450 456 475 500 503 570 600 684 750 760 855 900 950 1000 1006 1125 1140 1368 1425 1500 1509 1609 1710 1800 1900 2012 2250 2280 2375 2515 2850 3000 3018 3218 3420 3800 4024 4275 4500 4527 4750 4827 5030 5700 6036 6436 6840 7125 7545 8045 8550 9000 9054 9500 9557 9654 10060 11400 12072 12575 12872 14250 14481 15090 16090 17100 18108 19000 19114 19308 20120 21375 22635 24135 25150 28500 28671 28962 30180 30571 32180 34200 36216 37725 38228 38616 40225 42750 45270 47785 48270 50300 57000 57342 57924 60360 61142 62875 64360 72405 75450 76456 80450 85500 86013 90540 91713 95570 96540 100600 113175 114684 115848 120675 122284 125750 143355 144810 150900 152855 160900 171000 172026 181080 183426 188625 191140 193080 201125 226350 229368 238925 241350 244568 251500 275139 286710 289620 301800 305710 321800 344052 362025 366852 377250 382280 402250 430065 452700 458565 477850 482700 503000 550278 565875 573420 579240 603375 611420 688104 716775 724050 733704 754500 764275 804500 809327 860130 905400 917130 955700 965400 1100556 1131750 1146840 1194625 1206750 1222840 1375695 1433550 1448100 1509000 1528550 1609000 1618654 1720260 1810125 1834260 1911400 2150325 2201112 2263500 2292825 2389250 2413500 2427981 2751390 2867100 2896200 3057100 3237308 3440520 3583875 3620250 3668520 3821375 4046635 4300650 4527000 4585650 4778500 4827000 4855962 5502780 5734200 6114200 6474616 6878475 7167750 7240500 7283943 7642750 8093270 8601300 9171300 9557000 9711924 10751625 11005560 11464125 12139905 13756950 14335500 14481000 14567886 15285500 15377213 16186540 17202600 18342600 19423848 20233175 21503250 22928250 24279810 27513900 28671000 29135772 30571000 30754426 32373080 34392375 36419715 40466350 43006500 45856500 46131639 48559620 55027800 58271544 60699525 61508852 68784750 72839430 76886065 80932700 86013000 91713000 92263278 97119240 101165875 121399050 123017704 137569500 138394917 145678860 153772130 161865400 182098575 184526556 202331750 230658195 242798100 275139000 276789834 291357720 303497625 307544260 364197150 369053112 384430325 404663500 461316390 485596200 553579668 606995250 615088520 691974585 728394300 768860650 809327000 910492875 922632780 1107159336 1153290975 1213990500 1383949170 1456788600 1537721300 1820985750 1845265560 1922151625 2306581950 2427981000 2767898340 3075442600 3459872925 3641971500 3844303250 4613163900 5535796680 5766454875 6919745850 7283943000 7688606500 9226327800 11532909750 13839491700 15377213000 17299364625 23065819500 27678983400 34598729250 46131639000 69197458500 138394917000
• Sum of all divisors σ(n): 493680096000
• Sum of proper divisors (its aliquot sum) s(n): 355285179000
• 138394917000 is an abundant number, because the sum of its proper divisors (355285179000) is greater than itself. Its abundance is 216890262000

Bases of 138394917000

• Binary: 10000000111000111110101101100010001000₂
• Hexadecimal: 0x2038FAD888
• Base-36: 1RKSRDE0

Squares and roots of 138394917000

• 138394917000 squared (138394917000²) is 19153153051436889000000
• 138394917000 cubed (138394917000³) is 2650699026841904983893213000000000
• The square root of 138394917000 is 372014.6730977155
• The cube root of 138394917000 is 5172.5740081729

Scales and comparisons

• 138,394,917,000 seconds is equal to 4,400 years, 27 weeks, 4 days, 30 minutes.
• To count from 1 to 138,394,917,000 would take you about eight thousand, eight hundred one 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 138394917000 cubic inches would be around 431 feet tall.

Recreational maths with 138394917000

• 138394917000 backwards is 000719493831
• 138394917000 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138394917000's digits is 45
• More coming soon!