138998501460

Names of 138998501460

• Cardinal: 138998501460 can be written as One hundred thirty-eight billion, nine hundred ninety-eight million, five hundred one thousand, four hundred sixty.

Scientific notation

• Scientific notation: 1.3899850146 × 10¹¹

Factors of 138998501460

• Number of distinct prime factors ω(n): 6
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 652789

Divisors of 138998501460

• Number of divisors d(n): 216
• Complete list of divisors:
  1 2 3 4 5 6 7 9 10 12 13 14 15 18 20 21 26 28 30 35 36 39 42 45 52 60 63 65 70 78 84 90 91 105 117 126 130 140 156 169 180 182 195 210 234 252 260 273 315 338 364 390 420 455 468 507 546 585 630 676 780 819 845 910 1014 1092 1170 1183 1260 1365 1521 1638 1690 1820 2028 2340 2366 2535 2730 3042 3276 3380 3549 4095 4732 5070 5460 5915 6084 7098 7605 8190 10140 10647 11830 14196 15210 16380 17745 21294 23660 30420 35490 42588 53235 70980 106470 212940 652759 1305518 1958277 2611036 3263795 3916554 4569313 5874831 6527590 7833108 8485867 9138626 9791385 11749662 13055180 13707939 16971734 18277252 19582770 22846565 23499324 25457601 27415878 29374155 33943468 39165540 41123817 42429335 45693130 50915202 54831756 58748310 59401069 68539695 76372803 82247634 84858670 91386260 101830404 110316271 117496620 118802138 127288005 137079390 152745606 164495268 169717340 178203207 205619085 220632542 237604276 254576010 274158780 297005345 305491212 330948813 356406414 381864015 411238170 441265084 509152020 534609621 551581355 594010690 661897626 712812828 763728030 772213897 822476340 891016035 992846439 1069219242 1103162710 1188021380 1323795252 1527456060 1544427794 1654744065 1782032070 1985692878 2138438484 2206325420 2316641691 2673048105 3088855588 3309488130 3564064140 3861069485 3971385756 4633283382 4964232195 5346096210 6618976260 6949925073 7722138970 9266566764 9928464390 10692192420 11583208455 13899850146 15444277940 19856928780 23166416910 27799700292 34749625365 46332833820 69499250730 138998501460
• Sum of all divisors σ(n): 521779789440
• Sum of proper divisors (its aliquot sum) s(n): 382781287980
• 138998501460 is an abundant number, because the sum of its proper divisors (382781287980) is greater than itself. Its abundance is 243782786520

Bases of 138998501460

• Binary: 10000001011100111101001101000001010100₂
• Hexadecimal: 0x205CF4D054
• Base-36: 1RUS4A50

Squares and roots of 138998501460

• 138998501460 squared (138998501460²) is 19320583408125622131600
• 138998501460 cubed (138998501460³) is 2685532141062401063722610912136000
• The square root of 138998501460 is 372825.0279420629
• The cube root of 138998501460 is 5180.0828519915

Scales and comparisons

• 138,998,501,460 seconds is equal to 4,419 years, 37 weeks, 3 days, 22 hours, 51 minutes.
• To count from 1 to 138,998,501,460 would take you about eight thousand, eight hundred thirty-nine 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 138998501460 cubic inches would be around 431.7 feet tall.

Recreational maths with 138998501460

• 138998501460 backwards is 064105899831
• The number of decimal digits it has is: 12
• The sum of 138998501460's digits is 54
• More coming soon!