138458306640
138,458,306,640 is an even composite number composed of five prime numbers multiplied together.
138458306640 is an even composite number. It is composed of five distinct prime numbers multiplied together. It has a total of two hundred forty divisors.
Prime factorization of 138458306640:
24 × 3 × 5 × 532 × 593
(2 × 2 × 2 × 2 × 3 × 5 × 53 × 53 × 59 × 59 × 59)See below for interesting mathematical facts about the number 138458306640 from the Numbermatics database.
Names of 138458306640
- Cardinal: 138458306640 can be written as One hundred thirty-eight billion, four hundred fifty-eight million, three hundred six thousand, six hundred forty.
Scientific notation
- Scientific notation: 1.3845830664 × 1011
Factors of 138458306640
Divisors of 138458306640
- Number of divisors d(n): 240
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Complete list of divisors:
1 2 3 4 5 6 8 10 12 15 16 20 24 30 40 48 53 59 60 80 106 118 120 159 177 212 236 240 265 295 318 354 424 472 530 590 636 708 795 848 885 944 1060 1180 1272 1416 1590 1770 2120 2360 2544 2809 2832 3127 3180 3481 3540 4240 4720 5618 6254 6360 6962 7080 8427 9381 10443 11236 12508 12720 13924 14045 14160 15635 16854 17405 18762 20886 22472 25016 27848 28090 31270 33708 34810 37524 41772 42135 44944 46905 50032 52215 55696 56180 62540 67416 69620 75048 83544 84270 93810 104430 112360 125080 134832 139240 150096 165731 167088 168540 184493 187620 205379 208860 224720 250160 278480 331462 337080 368986 375240 410758 417720 497193 553479 616137 662924 674160 737972 750480 821516 828655 835440 922465 994386 1026895 1106958 1232274 1325848 1475944 1643032 1657310 1844930 1988772 2053790 2213916 2464548 2485965 2651696 2767395 2951888 3080685 3286064 3314620 3689860 3977544 4107580 4427832 4929096 4971930 5534790 6161370 6629240 7379720 7955088 8215160 8855664 9778129 9858192 9943860 10885087 11069580 12322740 13258480 14759440 16430320 19556258 19887720 21770174 22139160 24645480 29334387 32655261 39112516 39775440 43540348 44278320 48890645 49290960 54425435 58668774 65310522 78225032 87080696 97781290 108850870 117337548 130621044 146671935 156450064 163276305 174161392 195562580 217701740 234675096 261242088 293343870 326552610 391125160 435403480 469350192 522484176 576909611 586687740 653105220 782250320 870806960 1153819222 1173375480 1306210440 1730728833 2307638444 2346750960 2612420880 2884548055 3461457666 4615276888 5769096110 6922915332 8653644165 9230553776 11538192220 13845830664 17307288330 23076384440 27691661328 34614576660 46152768880 69229153320 138458306640
- Sum of all divisors σ(n): 445014642240
- Sum of proper divisors (its aliquot sum) s(n): 306556335600
- 138458306640 is an abundant number, because the sum of its proper divisors (306556335600) is greater than itself. Its abundance is 168098028960
Bases of 138458306640
- Binary: 100000001111001100001000011000010100002
- Hexadecimal: 0x203CC21850
- Base-36: 1RLUI15C
Squares and roots of 138458306640
- 138458306640 squared (1384583066402) is 19170702677616268089600
- 138458306640 cubed (1384583066403) is 2654343029841662311402283794944000
-
The
square root of 138458306640 is 372099.8611125783 -
The
cube root of 138458306640 is 5173.3636266619
Scales and comparisons
How big is 138458306640?- 138,458,306,640 seconds is equal to 4,402 years, 28 weeks, 2 days, 16 hours, 44 minutes.
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To count from 1 to 138,458,306,640 would take you about eight thousand, eight hundred 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 138458306640 cubic inches would be around 431.1 feet tall.
Recreational maths with 138458306640
- 138458306640 backwards is 046603854831
- 138458306640 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 138458306640's digits is 48
- More coming soon!
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