138690271148

Names of 138690271148

• Cardinal: 138690271148 can be written as One hundred thirty-eight billion, six hundred ninety million, two hundred seventy-one thousand, one hundred forty-eight.

Scientific notation

• Scientific notation: 1.38690271148 × 10¹¹

Factors of 138690271148

• Number of distinct prime factors ω(n): 5
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 5910

Divisors of 138690271148

• Number of divisors d(n): 162
• Complete list of divisors:
  1 2 4 11 13 17 22 26 34 44 52 68 121 143 169 187 221 242 286 289 338 374 442 484 572 578 676 748 884 1156 1573 1859 2057 2431 2873 3146 3179 3718 3757 4114 4862 5746 5867 6292 6358 7436 7514 8228 9724 11492 11734 12716 15028 20449 23468 26741 31603 34969 40898 41327 48841 53482 63206 64537 69938 76271 81796 82654 97682 99739 106964 126412 129074 139876 152542 165308 195364 199478 258148 305084 347633 398956 454597 537251 695266 709907 838981 909194 991523 1074502 1097129 1296607 1390532 1419814 1677962 1695563 1818388 1983046 2149004 2194258 2593214 2839628 3355924 3391126 3966092 4388516 5186428 5909761 6782252 9228791 10906753 11819522 12068419 14262677 16855891 18457582 18651193 21813506 22042319 23639044 24136838 28525354 33711782 36915164 37302386 43627012 44084638 48273676 57050708 67423564 74604772 88169276 119974283 156889447 185414801 205163123 239948566 242465509 286550147 313778894 370829602 410326246 479897132 484931018 573100294 627557788 741659204 820652492 969862036 1146200588 2039562811 2667120599 3152051617 4079125622 5334241198 6304103234 8158251244 10668482396 12608206468 34672567787 69345135574 138690271148
• Sum of all divisors σ(n): 306922870548
• Sum of proper divisors (its aliquot sum) s(n): 168232599400
• 138690271148 is an abundant number, because the sum of its proper divisors (168232599400) is greater than itself. Its abundance is 29542328252

Bases of 138690271148

• Binary: 10000001001010100101011001011110101100₂
• Hexadecimal: 0x204A9597AC
• Base-36: 1RPOLU3W

Squares and roots of 138690271148

• 138690271148 squared (138690271148²) is 19234991311105761237904
• 138690271148 cubed (138690271148³) is 2667706160466682049789853895193792
• The square root of 138690271148 is 372411.4272521723
• The cube root of 138690271148 is 5176.2510595761

Scales and comparisons

• 138,690,271,148 seconds is equal to 4,409 years, 47 weeks, 6 days, 11 hours, 19 minutes, 8 seconds.
• To count from 1 to 138,690,271,148 would take you about eight thousand, eight hundred nineteen 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 138690271148 cubic inches would be around 431.4 feet tall.

Recreational maths with 138690271148

• 138690271148 backwards is 841172096831
• The number of decimal digits it has is: 12
• The sum of 138690271148's digits is 50
• More coming soon!