138634507900

Names of 138634507900

• Cardinal: 138634507900 can be written as One hundred thirty-eight billion, six hundred thirty-four million, five hundred seven thousand, nine hundred.

Scientific notation

• Scientific notation: 1.386345079 × 10¹¹

Factors of 138634507900

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 3278

Divisors of 138634507900

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 4 5 7 10 14 20 23 25 28 31 35 46 50 62 70 89 92 100 115 124 140 155 161 175 178 217 230 310 322 350 356 434 445 460 575 620 623 644 700 713 775 805 868 890 1085 1150 1246 1426 1550 1610 1780 2047 2170 2225 2300 2492 2759 2852 3100 3115 3121 3220 3565 4025 4094 4340 4450 4991 5425 5518 6230 6242 7130 8050 8188 8900 9982 10235 10850 11036 12460 12484 13795 14260 14329 15575 15605 16100 17825 19313 19964 20470 21700 21847 24955 27590 28658 31150 31210 35650 38626 40940 43694 49910 51175 55180 57316 62300 62420 63457 68975 71300 71645 71783 77252 78025 87388 96565 96751 99820 102350 109235 124775 126914 137950 143290 143566 156050 193130 193502 204700 218470 249550 253828 275900 277769 286580 287132 312100 317285 358225 358915 386260 387004 436940 444199 482825 483755 499100 502481 546175 555538 634570 677257 716450 717830 888398 965650 967510 1004962 1092350 1111076 1269140 1354514 1388845 1432900 1435660 1586425 1776796 1794575 1931300 1935020 1944383 2009924 2184700 2220995 2225273 2418775 2512405 2709028 2777690 3172850 3386285 3589150 3888766 4441990 4450546 4837550 5024810 5555380 6345700 6388687 6772570 6944225 7178300 7777532 8610839 8883980 8901092 9675100 9721915 10049620 11104975 11126365 12562025 12777374 13545140 13888450 15576911 16931425 17221678 19443830 22209950 22252730 25124050 25554748 27776900 31153822 31943435 33862850 34443356 38887660 43054195 44419900 44505460 44720809 48609575 50248100 55631825 60275873 62307644 63886870 67725700 77884555 86108390 89441618 97219150 111263650 120551746 127773740 155769110 159717175 172216780 178883236 194438300 198049297 215270975 222527300 223604045 241103492 301379365 311538220 319434350 389422775 396098594 430541950 447208090 602758730 638868700 778845550 792197188 861083900 894416180 990246485 1118020225 1205517460 1386345079 1506896825 1557691100 1980492970 2236040450 2772690158 3013793650 3960985940 4472080900 4951232425 5545380316 6027587300 6931725395 9902464850 13863450790 19804929700 27726901580 34658626975 69317253950 138634507900
• Sum of all divisors σ(n): 374616023040
• Sum of proper divisors (its aliquot sum) s(n): 235981515140
• 138634507900 is an abundant number, because the sum of its proper divisors (235981515140) is greater than itself. Its abundance is 97347007240

Bases of 138634507900

• Binary: 10000001000111010000101011011001111100₂
• Hexadecimal: 0x204742B67C
• Base-36: 1ROREMWS

Squares and roots of 138634507900

• 138634507900 squared (138634507900²) is 19219526780675162410000
• 138634507900 cubed (138634507900³) is 2664489637309772370462928039000000
• The square root of 138634507900 is 372336.5519258079
• The cube root of 138634507900 is 5175.5572275265

Scales and comparisons

• 138,634,507,900 seconds is equal to 4,408 years, 7 weeks, 5 days, 1 hour, 31 minutes, 40 seconds.
• To count from 1 to 138,634,507,900 would take you about eight thousand, eight hundred sixteen 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 138634507900 cubic inches would be around 431.3 feet tall.

Recreational maths with 138634507900

• 138634507900 backwards is 009705436831
• 138634507900 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138634507900's digits is 46
• More coming soon!