138346561620

Names of 138346561620

• Cardinal: 138346561620 can be written as One hundred thirty-eight billion, three hundred forty-six million, five hundred sixty-one thousand, six hundred twenty.

Scientific notation

• Scientific notation: 1.3834656162 × 10¹¹

Factors of 138346561620

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 9
• Sum of prime factors: 18050

Divisors of 138346561620

• Number of divisors d(n): 288
• Complete list of divisors:
  1 2 3 4 5 6 9 10 12 15 18 19 20 30 36 37 38 45 57 60 61 74 76 90 95 111 114 122 148 171 180 183 185 190 222 228 244 285 305 333 342 366 370 380 444 549 555 570 610 666 684 703 732 740 855 915 1098 1110 1140 1159 1220 1332 1406 1665 1710 1830 2109 2196 2220 2257 2318 2745 2812 3330 3420 3477 3515 3660 4218 4514 4636 5490 5795 6327 6660 6771 6954 7030 8436 9028 10431 10545 10980 11285 11590 12654 13542 13908 14060 17385 17923 20313 20862 21090 22570 23180 25308 27084 31635 33855 34770 35846 40626 41724 42180 42883 45140 52155 53769 63270 67710 69540 71692 81252 85766 89615 101565 104310 107538 126540 128649 135420 161307 171532 179230 203130 208620 214415 215076 257298 268845 322614 340537 358460 385947 406260 428830 514596 537690 643245 645228 663151 681074 771894 806535 857660 1021611 1075380 1093303 1286490 1326302 1362148 1543788 1613070 1702685 1929735 1989453 2043222 2186606 2572980 2652604 3064833 3226140 3279909 3315755 3405370 3859470 3978906 4086444 4373212 5108055 5466515 5968359 6129666 6559818 6631510 6810740 7718940 7957812 9839727 9947265 10216110 10933030 11936718 12259332 12599869 13119636 13263020 15324165 16399545 19679454 19894530 20432220 20772757 21866060 23873436 25199738 29841795 30648330 32799090 37799607 39358908 39789060 40452211 41545514 49198635 50399476 59683590 61296660 62318271 62999345 65598180 75599214 80904422 83091028 98397270 103863785 113398821 119367180 121356633 124636542 125998690 151198428 161808844 186954813 188998035 196794540 202261055 207727570 226797642 242713266 249273084 251997380 311591355 364069899 373909626 377996070 404522110 415455140 453595284 485426532 566994105 606783165 623182710 728139798 747819252 755992140 768592009 809044220 934774065 1133988210 1213566330 1246365420 1456279596 1537184018 1820349495 1869548130 2267976420 2305776027 2427132660 3074368036 3640698990 3739096260 3842960045 4611552054 6917328081 7281397980 7685920090 9223104108 11528880135 13834656162 15371840180 23057760270 27669312324 34586640405 46115520540 69173280810 138346561620
• Sum of all divisors σ(n): 461140068480
• Sum of proper divisors (its aliquot sum) s(n): 322793506860
• 138346561620 is an abundant number, because the sum of its proper divisors (322793506860) is greater than itself. Its abundance is 184446945240

Bases of 138346561620

• Binary: 10000000110110000110010000000001010100₂
• Hexadecimal: 0x2036190054
• Base-36: 1RJZYY50

Squares and roots of 138346561620

• 138346561620 squared (138346561620²) is 19139771112076457024400
• 138346561620 cubed (138346561620³) is 2647921523549581487877436443528000
• The square root of 138346561620 is 371949.6761928957
• The cube root of 138346561620 is 5171.9715031007

Scales and comparisons

• 138,346,561,620 seconds is equal to 4,398 years, 51 weeks, 4 days, 8 hours, 27 minutes.
• To count from 1 to 138,346,561,620 would take you about eight thousand, seven hundred ninety-seven 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 138346561620 cubic inches would be around 431 feet tall.

Recreational maths with 138346561620

• 138346561620 backwards is 026165643831
• 138346561620 is a Harshad number.
• The number of decimal digits it has is: 12
• The sum of 138346561620's digits is 45
• More coming soon!