155012999940
155,012,999,940 is an even composite number composed of six prime numbers multiplied together.
155012999940 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of three hundred thirty-six divisors.
Prime factorization of 155012999940:
22 × 36 × 5 × 29 × 197 × 1861
(2 × 2 × 3 × 3 × 3 × 3 × 3 × 3 × 5 × 29 × 197 × 1861)See below for interesting mathematical facts about the number 155012999940 from the Numbermatics database.
Names of 155012999940
- Cardinal: 155012999940 can be written as One hundred fifty-five billion, twelve million, nine hundred ninety-nine thousand, nine hundred forty.
Scientific notation
- Scientific notation: 1.5501299994 × 1011
Factors of 155012999940
Divisors of 155012999940
- Number of divisors d(n): 336
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Complete list of divisors:
1 2 3 4 5 6 9 10 12 15 18 20 27 29 30 36 45 54 58 60 81 87 90 108 116 135 145 162 174 180 197 243 261 270 290 324 348 394 405 435 486 522 540 580 591 729 783 788 810 870 972 985 1044 1182 1215 1305 1458 1566 1620 1740 1773 1861 1970 2349 2364 2430 2610 2916 2955 3132 3546 3645 3722 3915 3940 4698 4860 5220 5319 5583 5713 5910 7047 7092 7290 7444 7830 8865 9305 9396 10638 11166 11426 11745 11820 14094 14580 15660 15957 16749 17139 17730 18610 21141 21276 22332 22852 23490 26595 27915 28188 28565 31914 33498 34278 35235 35460 37220 42282 46980 47871 50247 51417 53190 53969 55830 57130 63828 66996 68556 70470 79785 83745 84564 85695 95742 100494 102834 105705 106380 107938 111660 114260 140940 143613 150741 154251 159570 161907 167490 171390 191484 200988 205668 211410 215876 239355 251235 257085 269845 287226 301482 308502 319140 323814 334980 342780 366617 422820 452223 462753 478710 485721 502470 514170 539690 574452 602964 617004 647628 718065 733234 753705 771255 809535 904446 925506 957420 971442 1004940 1028340 1079380 1099851 1356669 1388259 1436130 1457163 1466468 1507410 1542510 1619070 1808892 1833085 1851012 1942884 2199702 2261115 2313765 2428605 2713338 2776518 2872260 2914326 3014820 3085020 3238140 3299553 3666170 4164777 4371489 4399404 4522230 4627530 4857210 5426676 5499255 5553036 5828652 6599106 6783345 6941295 7285815 7332340 8329554 8742978 9044460 9255060 9714420 9898659 10631893 10998510 13114467 13198212 13566690 13882590 14571630 16497765 16659108 17485956 19797318 20823885 21263786 21857445 21997020 26228934 27133380 27765180 29143260 29695977 31895679 32995530 39343401 39594636 41647770 42527572 43714890 49493295 52457868 53159465 59391954 63791358 65572335 65991060 78686802 83295540 87429780 89087931 95687037 98986590 106318930 118783908 127582716 131144670 148479885 157373604 159478395 178175862 191374074 196717005 197973180 212637860 262289340 267263793 287061111 296959770 318956790 356351724 382748148 393434010 445439655 478435185 534527586 574122222 593919540 637913580 786868020 861183333 890879310 956870370 1069055172 1148244444 1336318965 1435305555 1722366666 1781758620 1913740740 2583549999 2672637930 2870611110 3444733332 4305916665 5167099998 5345275860 5741222220 7750649997 8611833330 10334199996 12917749995 15501299994 17223666660 25835499990 31002599988 38753249985 51670999980 77506499970 155012999940
- Sum of all divisors σ(n): 507733213680
- Sum of proper divisors (its aliquot sum) s(n): 352720213740
- 155012999940 is an abundant number, because the sum of its proper divisors (352720213740) is greater than itself. Its abundance is 197707213800
Bases of 155012999940
- Binary: 100100000101110111111010101011000001002
- Hexadecimal: 0x24177EAB04
- Base-36: 1Z7MQK90
Squares and roots of 155012999940
- 155012999940 squared (1550129999402) is 24029030150398440003600
- 155012999940 cubed (1550129999403) is 3724812049261971571254140399784000
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The
square root of 155012999940 is 393716.9032947405 -
The
cube root of 155012999940 is 5371.8355262031
Scales and comparisons
How big is 155012999940?- 155,012,999,940 seconds is equal to 4,928 years, 48 weeks, 3 days, 22 hours, 39 minutes.
-
To count from 1 to 155,012,999,940 would take you about nine thousand, eight hundred fifty-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 155012999940 cubic inches would be around 447.7 feet tall.
Recreational maths with 155012999940
- 155012999940 backwards is 049999210551
- 155012999940 is a
Harshad number . - The number of decimal digits it has is: 12
- The sum of 155012999940's digits is 54
- More coming soon!
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