138929855688

Names of 138929855688

• Cardinal: 138929855688 can be written as One hundred thirty-eight billion, nine hundred twenty-nine million, eight hundred fifty-five thousand, six hundred eighty-eight.

Scientific notation

• Scientific notation: 1.38929855688 × 10¹¹

Factors of 138929855688

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 11
• Sum of prime factors: 158

Divisors of 138929855688

• Number of divisors d(n): 324
• Complete list of divisors:
  1 2 3 4 6 8 9 12 13 18 24 26 31 36 39 52 62 72 78 93 104 109 117 124 156 169 186 218 234 248 279 312 327 338 372 403 436 468 507 558 654 676 744 806 872 936 961 981 1014 1116 1209 1308 1352 1417 1521 1612 1922 1962 2028 2232 2418 2616 2834 2883 3042 3224 3379 3627 3844 3924 4056 4251 4836 5239 5668 5766 6084 6758 7254 7688 7848 8502 8649 9672 10137 10478 11336 11532 11881 12168 12493 12753 13516 14508 15717 17004 17298 18421 20274 20956 23064 23762 24986 25506 27032 29016 30411 31434 34008 34596 35643 36842 37479 40548 41912 43927 47151 47524 49972 51012 55263 60822 62868 69192 71286 73684 74958 81096 87854 94302 95048 99944 102024 104749 106929 110526 112437 121644 125736 131781 142572 147368 149916 154453 162409 165789 175708 188604 209498 213858 221052 224874 243288 263562 285144 299832 308906 314247 324818 331578 351416 368311 377208 395343 418996 427716 442104 449748 463359 487227 527124 571051 617812 628494 649636 663156 736622 790686 837992 855432 899496 926718 942741 974454 1054248 1104933 1142102 1235624 1256988 1299272 1326312 1361737 1390077 1461681 1473244 1581372 1713153 1853436 1885482 1948908 2007889 2209866 2284204 2513976 2723474 2780154 2923362 2946488 3162744 3314799 3426306 3706872 3770964 3897816 4015778 4085211 4419732 4568408 4788043 5139459 5446948 5560308 5846724 6023667 6629598 6852612 7541928 8031556 8170422 8839464 9576086 10278918 10893896 11120616 11417641 11693448 12047334 12255633 13259196 13705224 14364129 16063112 16340844 17702581 18071001 19152172 20557836 22835282 24094668 24511266 26518392 28728258 32681688 34252923 35405162 36142002 38304344 41115672 43092387 45670564 48189336 49022532 53107743 57456516 62244559 68505846 70810324 72284004 86184774 91341128 98045064 102758769 106215486 114913032 124489118 137011692 141620648 144568008 148429333 159323229 172369548 186733677 205517538 212430972 248978236 274023384 296858666 318646458 344739096 373467354 411035076 424861944 445287999 497956472 560201031 593717332 637292916 746934708 822070152 890575998 1120402062 1187434664 1274585832 1335863997 1493869416 1781151996 1929581329 2240804124 2671727994 3562303992 3859162658 4481608248 5343455988 5788743987 7718325316 10686911976 11577487974 15436650632 17366231961 23154975948 34732463922 46309951896 69464927844 138929855688
• Sum of all divisors σ(n): 424903543155
• Sum of proper divisors (its aliquot sum) s(n): 285973687467
• 138929855688 is an abundant number, because the sum of its proper divisors (285973687467) is greater than itself. Its abundance is 147043831779

Bases of 138929855688

• Binary: 10000001011000110111010101110011001000₂
• Hexadecimal: 0x2058DD5CC8
• Base-36: 1RTN8YQ0

Squares and roots of 138929855688

• 138929855688 squared (138929855688²) is 19301504801488505953344
• 138929855688 cubed (138929855688³) is 2681555276632037219688810781020672
• The square root of 138929855688 is 372732.9549261777
• The cube root of 138929855688 is 5179.2299666819

Scales and comparisons

• 138,929,855,688 seconds is equal to 4,417 years, 28 weeks, 10 hours, 34 minutes, 48 seconds.
• To count from 1 to 138,929,855,688 would take you about eight thousand, eight hundred thirty-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 138929855688 cubic inches would be around 431.6 feet tall.

Recreational maths with 138929855688

• 138929855688 backwards is 886558929831
• 138929855688 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138929855688's digits is 72
• More coming soon!