157440990720
157,440,990,720 is an even composite number composed of six prime numbers multiplied together.
157440990720 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred twenty divisors.
Prime factorization of 157440990720:
29 × 3 × 5 × 13 × 29 × 54377
(2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 2 × 3 × 5 × 13 × 29 × 54377)See below for interesting mathematical facts about the number 157440990720 from the Numbermatics database.
Names of 157440990720
- Cardinal: 157440990720 can be written as One hundred fifty-seven billion, four hundred forty million, nine hundred ninety thousand, seven hundred twenty.
Scientific notation
- Scientific notation: 1.5744099072 × 1011
Factors of 157440990720
Divisors of 157440990720
- Number of divisors d(n): 320
-
Complete list of divisors:
1 2 3 4 5 6 8 10 12 13 15 16 20 24 26 29 30 32 39 40 48 52 58 60 64 65 78 80 87 96 104 116 120 128 130 145 156 160 174 192 195 208 232 240 256 260 290 312 320 348 377 384 390 416 435 464 480 512 520 580 624 640 696 754 768 780 832 870 928 960 1040 1131 1160 1248 1280 1392 1508 1536 1560 1664 1740 1856 1885 1920 2080 2262 2320 2496 2560 2784 3016 3120 3328 3480 3712 3770 3840 4160 4524 4640 4992 5568 5655 6032 6240 6656 6960 7424 7540 7680 8320 9048 9280 9984 11136 11310 12064 12480 13920 14848 15080 16640 18096 18560 19968 22272 22620 24128 24960 27840 30160 33280 36192 37120 44544 45240 48256 49920 54377 55680 60320 72384 74240 90480 96512 99840 108754 111360 120640 144768 163131 180960 193024 217508 222720 241280 271885 289536 326262 361920 435016 482560 543770 579072 652524 706901 723840 815655 870032 965120 1087540 1305048 1413802 1447680 1576933 1631310 1740064 2120703 2175080 2610096 2827604 2895360 3153866 3262620 3480128 3534505 4241406 4350160 4730799 5220192 5655208 6307732 6525240 6960256 7069010 7884665 8482812 8700320 9461598 10440384 10603515 11310416 12615464 13050480 13920512 14138020 15769330 16965624 17400640 18923196 20500129 20880768 21207030 22620832 23653995 25230928 26100960 27841024 28276040 31538660 33931248 34801280 37846392 41000258 41761536 42414060 45241664 47307990 50461856 52201920 56552080 61500387 63077320 67862496 69602560 75692784 82000516 83523072 84828120 90483328 94615980 100923712 102500645 104403840 113104160 123000774 126154640 135724992 139205120 151385568 164001032 169656240 180966656 189231960 201847424 205001290 208807680 226208320 246001548 252309280 271449984 302771136 307501935 328002064 339312480 361933312 378463920 403694848 410002580 417615360 452416640 492003096 504618560 542899968 605542272 615003870 656004128 678624960 756927840 807389696 820005160 904833280 984006192 1009237120 1085799936 1211084544 1230007740 1312008256 1357249920 1513855680 1640010320 1809666560 1968012384 2018474240 2422169088 2460015480 2624016512 2714499840 3027711360 3280020640 3936024768 4036948480 4920030960 5248033024 5428999680 6055422720 6560041280 7872049536 9840061920 10496066048 12110845440 13120082560 15744099072 19680123840 26240165120 31488198144 39360247680 52480330240 78720495360 157440990720
- Sum of all divisors σ(n): 560737235520
- Sum of proper divisors (its aliquot sum) s(n): 403296244800
- 157440990720 is an abundant number, because the sum of its proper divisors (403296244800) is greater than itself. Its abundance is 245855254080
Bases of 157440990720
- Binary: 100100101010000011011011011110000000002
- Hexadecimal: 0x24A836DE00
- Base-36: 20BSATXC
Squares and roots of 157440990720
- 157440990720 squared (1574409907202) is 24787665558895126118400
- 157440990720 cubed (1574409907203) is 3902594623228471164660244021248000
-
The
square root of 157440990720 is 396788.3449901219 -
The
cube root of 157440990720 is 5399.7369638677
Scales and comparisons
How big is 157440990720?- 157,440,990,720 seconds is equal to 5,006 years, 7 weeks, 16 hours, 32 minutes.
-
To count from 1 to 157,440,990,720 would take you about ten thousand and twelve 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 157440990720 cubic inches would be around 450 feet tall.
Recreational maths with 157440990720
- 157440990720 backwards is 027099044751
- 157440990720 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 157440990720's digits is 48
- More coming soon!
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