1397131840
1,397,131,840 is an even composite number composed of six prime numbers multiplied together.
1397131840 is an even composite number. It is composed of six distinct prime numbers multiplied together. It has a total of two hundred twenty-four divisors.
Prime factorization of 1397131840:
26 × 5 × 13 × 29 × 37 × 313
(2 × 2 × 2 × 2 × 2 × 2 × 5 × 13 × 29 × 37 × 313)See below for interesting mathematical facts about the number 1397131840 from the Numbermatics database.
Names of 1397131840
- Cardinal: 1397131840 can be written as One billion, three hundred ninety-seven million, one hundred thirty-one thousand, eight hundred forty.
Scientific notation
- Scientific notation: 1.39713184 × 109
Factors of 1397131840
Divisors of 1397131840
- Number of divisors d(n): 224
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Complete list of divisors:
1 2 4 5 8 10 13 16 20 26 29 32 37 40 52 58 64 65 74 80 104 116 130 145 148 160 185 208 232 260 290 296 313 320 370 377 416 464 481 520 580 592 626 740 754 832 928 962 1040 1073 1160 1184 1252 1480 1508 1565 1856 1885 1924 2080 2146 2320 2368 2405 2504 2960 3016 3130 3770 3848 4069 4160 4292 4640 4810 5008 5365 5920 6032 6260 7540 7696 8138 8584 9077 9280 9620 10016 10730 11581 11840 12064 12520 13949 15080 15392 16276 17168 18154 19240 20032 20345 21460 23162 24128 25040 27898 30160 30784 32552 34336 36308 38480 40690 42920 45385 46324 50080 55796 57905 60320 65104 68672 69745 72616 76960 81380 85840 90770 92648 100160 111592 115810 118001 120640 130208 139490 145232 150553 153920 162760 171680 181540 185296 223184 231620 236002 260416 278980 290464 301106 325520 335849 343360 363080 370592 446368 463240 472004 557960 580928 590005 602212 651040 671698 726160 741184 752765 892736 926480 944008 1115920 1180010 1204424 1302080 1343396 1452320 1505530 1679245 1852960 1888016 2231840 2360020 2408848 2686792 2904640 3011060 3358490 3705920 3776032 4366037 4463680 4720040 4817696 5373584 6022120 6716980 7552064 8732074 9440080 9635392 10747168 12044240 13433960 17464148 18880160 21494336 21830185 24088480 26867920 34928296 37760320 43660370 48176960 53735840 69856592 87320740 107471680 139713184 174641480 279426368 349282960 698565920 1397131840
- Sum of all divisors σ(n): 3818717280
- Sum of proper divisors (its aliquot sum) s(n): 2421585440
- 1397131840 is an abundant number, because the sum of its proper divisors (2421585440) is greater than itself. Its abundance is 1024453600
Bases of 1397131840
- Binary: 10100110100011010001010010000002
- Hexadecimal: 0x53468A40
- Base-36: N3TDTS
Squares and roots of 1397131840
- 1397131840 squared (13971318402) is 1951977378341785600
- 1397131840 cubed (13971318403) is 2727169746241035064213504000
-
The
square root of 1397131840 is 37378.2268172261 -
The
cube root of 1397131840 is 1117.9244724393
Scales and comparisons
How big is 1397131840?- 1,397,131,840 seconds is equal to 44 years, 22 weeks, 12 hours, 10 minutes, 40 seconds.
-
To count from 1 to 1,397,131,840 would take you about eighty-eight 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 1397131840 cubic inches would be around 93.2 feet tall.
Recreational maths with 1397131840
- 1397131840 backwards is 0481317931
- 1397131840 is a
Harshad number . - The number of decimal digits it has is: 10
- The sum of 1397131840's digits is 37
- More coming soon!
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