138187896

Names of 138187896

• Cardinal: 138187896 can be written as One hundred thirty-eight million, one hundred eighty-seven thousand, eight hundred ninety-six.

Scientific notation

• Scientific notation: 1.38187896 × 10⁸

Factors of 138187896

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 150

Divisors of 138187896

• Number of divisors d(n): 256
• Complete list of divisors:
  1 2 3 4 6 7 8 11 12 14 21 22 24 28 33 37 42 43 44 47 56 66 74 77 84 86 88 94 111 129 132 141 148 154 168 172 188 222 231 258 259 264 282 296 301 308 329 344 376 407 444 462 473 516 517 518 564 602 616 658 777 814 888 903 924 946 987 1032 1034 1036 1128 1204 1221 1316 1419 1551 1554 1591 1628 1739 1806 1848 1892 1974 2021 2068 2072 2408 2442 2632 2838 2849 3102 3108 3182 3256 3311 3478 3612 3619 3784 3948 4042 4136 4773 4884 5217 5676 5698 6063 6204 6216 6364 6622 6956 7224 7238 7896 8084 8547 9546 9768 9933 10434 10857 11137 11352 11396 12126 12173 12408 12728 13244 13912 14147 14476 16168 17094 17501 19092 19129 19866 20868 21714 22231 22274 22792 24252 24346 26488 28294 28952 33411 34188 35002 36519 38184 38258 39732 41736 42441 43428 44462 44548 48504 48692 52503 56588 57387 66693 66822 68376 70004 73038 74777 76516 79464 84882 86856 88924 89096 97384 105006 113176 114774 122507 133386 133644 133903 140008 146076 149554 153032 155617 169764 177848 210012 224331 229548 245014 266772 267288 267806 292152 299108 311234 339528 367521 401709 420024 448662 459096 466851 490028 523439 533544 535612 598216 622468 735042 803418 822547 897324 933702 980056 1046878 1071224 1244936 1470084 1570317 1606836 1645094 1794648 1867404 2093756 2467641 2940168 3140634 3213672 3290188 3734808 4187512 4935282 5757829 6281268 6580376 9870564 11515658 12562536 17273487 19741128 23031316 34546974 46062632 69093948 138187896
• Sum of all divisors σ(n): 462274560
• Sum of proper divisors (its aliquot sum) s(n): 324086664
• 138187896 is an abundant number, because the sum of its proper divisors (324086664) is greater than itself. Its abundance is 185898768

Bases of 138187896

• Binary: 1000001111001001010001111000₂
• Hexadecimal: 0x83C9478
• Base-36: 2A9UGO

Squares and roots of 138187896

• 138187896 squared (138187896²) is 19095894600906816
• 138187896 cubed (138187896³) is 2638821497137072595099136
• The square root of 138187896 is 11755.3347889373
• The cube root of 138187896 is 516.9993552539

Scales and comparisons

• 138,187,896 seconds is equal to 4 years, 20 weeks, 3 days, 9 hours, 31 minutes, 36 seconds.
• To count from 1 to 138,187,896 would take you about six 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 138187896 cubic inches would be around 43.1 feet tall.

Recreational maths with 138187896

• 138187896 backwards is 698781831
• The number of decimal digits it has is: 9
• The sum of 138187896's digits is 51
• More coming soon!